979 results on '"Antunović, Zvonko"'
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2. The Effect of Grape Seed Cake as a Dietary Supplement Rich in Polyphenols on the Quantity and Quality of Milk, Metabolic Profile of Blood, and Antioxidative Status of Lactating Dairy Goats
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Antunović, Zvonko, primary, Novoselec, Josip, additional, Klir Šalavardić, Željka, additional, Steiner, Zvonimir, additional, Drenjančević, Mato, additional, Pavić, Valentina, additional, Đidara, Mislav, additional, Ronta, Mario, additional, Jakobek Barron, Lidija, additional, and Mioč, Boro, additional
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- 2024
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3. Physical and chemical properties, hygienic quality and fatty acid profile in milk of lactating Lacaune dairy sheep
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Antunović, Zvonko, primary, Mioč, Boro, additional, Klir Šalavardić, Željka, additional, Širić, Ivan, additional, Držaić, Valentino, additional, Mikulec, Nataša, additional, Krivohlavek, Adela, additional, and Novoselec, Josip, additional
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- 2024
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4. Blood Acid-Base Balance of Istrian Goats
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Antunović, Zvonko, Klir, Željka, Šerić, Vatroslav, Zmaić, Krunoslav, Novoselec, Josip, Magjarevic, Ratko, Series Editor, Ładyżyński, Piotr, Associate Editor, Ibrahim, Fatimah, Associate Editor, Lackovic, Igor, Associate Editor, Rock, Emilio Sacristan, Associate Editor, Brka, Muhamed, editor, Omanović-Mikličanin, Enisa, editor, Karić, Lutvija, editor, Falan, Vedad, editor, and Toroman, Almir, editor
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- 2020
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5. Effect of dietary cold-pressed hempseed cake on the fatty acid profile of semi-hard cheese made from goat milk
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Klir Šalavardić, Željka, Novoselec, Josip, Ćavar, Suzana, Antunović, Zvonko, Klir Šalavardić, Željka, Novoselec, Josip, Ćavar, Suzana, and Antunović, Zvonko
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Recently, many feedstuffs have been introduced to animal diets to increase the content of beneficial fatty acids in dairy products. Therefore, this study aimed to research the effect of including hempseed cake in dairy goats concentrate mixtures on the chemical composition and fatty acid profile of semi-hard goat cheese that is traditionally produced on family farm. The feeding of goats was based on meadow hay ad libitum and 1200 g/day/head of concentrate mixture. In the first experimental group, 60 g/kg DM of hempseed cake (HSC-60) was administered; meanwhile, in the second experimental group, 120 g/kg DM of hempseed cake (HSC-120) was included in the diet. The chemical composition of cheese was mostly unaffected by enriching the goats’ nutrition with hempseed cakes. Dietary HSC-120 increased C18:1 n-9 and C18:3 n-6 compared to the control, and increased C22:6 n-3 in cheese compared to HSC- 60, although both HSC-120 and HSC-60 lowered n-6/n-3 ratios in cheese. Feeding goats with HSC-120 may have contributed to the development of the functional properties of semi-hard goat cheese made on family farm, as compared to the cheese produced by goats fed with commercial concentrate mixtures., Posljednjih se godina u hranidbi domaćih životinja koriste različita krmiva u cilju povećanja poželjnih masnih kiselina u mliječnim proizvodima. Stoga je cilj ovog istraživanja bio istražiti utjecaj upotrebe pogače sjemenki konoplje u hranidbi koza na kemijski sastav i profil masnih kiselina polutvrdog kozjeg sira koji se tradicionalno proizvodi na obiteljskim poljoprivrednim gospodarstvima. Hranidba koza temeljila se na livadnom sijenu po volji i 1200 g/dan/koza krmne smjese. U prvoj pokusnoj skupini uključeno je 60 g/kg ST pogače sjemenki konoplje (HSC-60); dok je u drugoj pokusnoj skupini u obrok uključeno 120 g/kg ST pogače sjemenki konoplje (HSC-120). Hranidba koza krmnim smjesama sa pogačom sjemenki konoplje većinom nije utjecala na kemijski sastav sira. HSC-120 u obrocima rezultirala je povećanjem C18:1 n-9 i C18:3 n-6 u usporedbi s kontrolom skupinom kao i povećanjem C22:6 n-3 u siru u usporedbi s HSC-60, iako su u HSC-120 i HSC-60 utvrđeni niži omjeri n-6/n-3. Hranidba koza s HSC-120 mogla bi doprinijeti povećanju funkcionalnih svojstava polutvrdog kozjeg sira proizvedenog na obiteljskom poljoprivrednom gospodarstvu u usporedbi sa sirevima proizvedenim od koza koje su bile hranjene komercijalnim krmnim smjesama.
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- 2024
6. Biofortifikacija soje selenom
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Antunović, Zvonko, Klir Šalavardić, Željka, Novoselec, Josip, Antunović, Zvonko, Klir Šalavardić, Željka, and Novoselec, Josip
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Soja je krmivo bogato proteinima koje se najčešće, zajedno sa svojim nusproizvodima (sačma i pogača), koristi u obrocima životinja s ciljem kvalitetne opskrbe proteinima. Cilj je ovoga rada prikazati mogućnosti biofortifikacije soje selenom i njezinu primjenu u hranidbi životinja. Soja je kvalitetan izvor selena u organskome obliku, prije svega selenometionina. Selen je važan u prehrani ljudi i hranidbi životinja jer ima brojne fiziološke funkcije, a često je sadržan u nedostatnim količinama u hranidbenome lancu. Biofortifikacija soje selenom, i to agronomska biofortifikacija, može se koristiti kao kvalitetna metoda obogaćivanja jestivih dijelova usjeva/ soje selenom. Najčešće se koriste anorganski spojevi selena (selenat i selenit) koje usjev/soja transformira u organski oblik, a on je pristupačniji različitim organizmima. Za razliku od selenita, anorganski oblik selena, selenat, bolje je biodostupnosti. Učinkovitija je agrofortifikacija usjeva/krmiva folijarnim tretiranjem usjeva negoli gnojidbom tala selenom. Razlog leži u izbjegavanju vrlo kompleksnih reakcija koje se odvijaju u tlu uzrokujući značajne razlike u usvajanju selena s obzirom na različite okolišne uvjete i uvjete u tlu. U dostupnim istraživanjima biofortifikacija soje selenom provedena anorganskim oblicima selena dovela je do značajnoga povećanja sadržaja selena u zrnu soje, ali nije utvrđen značajan utjecaj na prinos soje te na strukturu i funkcionalnost proteina soje. Međutim, postoje i istraživanja sa suprotnim učincima. Vrlo je malo istraživanja o korištenju biofortificirane soje selenom u hranidbi životinja, osobito onih domaćih. Navedeno bi moglo biti kvalitetna niša za daljnja istraživanja, koja će imati za cilj ukazati na mogućnosti primjene biofortificirane soje selenom u hranidbi domaćih životinja., Soybean is a feedstuff rich in proteins, which is, together with its by-products (meal and cake), most often used in animal diets in order to provide a good-quality protein source. The aim of this paper is to present the possibilities of biofortification of soybeans with selenium and its application in animal feeding. Soybean is a high-quality source of selenium in organic form, primarily in the form of selenomethionine. Selenium is important in human and animal feeding due to its numerous physiological functions and is usually presented in insufficient amounts in the food chain. Biofortification of soybeans with selenium, specifically the agronomic one, can be used as a qualitative method of enriching edible parts of crops/soybeans with selenium. Inorganic selenium compounds (selenate and selenite) are most often used, which the crop/ soybean transforms into an organic form that is more accessible to different organisms. The inorganic form of selenium like selenate is more bioavailable than selenite. Agrofortification of crops/forage by foliar treatment of crops is more effective than soil fertilization with selenium. The reason for this is to avoid very complex reactions which take place in the soil, causing significant differences in the absorption of selenium with regard to different environmental and soil conditions. In the available research, the biofortification of soybeans with selenium, carried out with inorganic forms of selenium, led to a significant increase in the content of selenium in soybeans, but no significant effect on the soybean yield and on the structure and functionality of soybean proteins was detected. However, there are also studies with opposite effects. There is not ample research on the use of selenium-biofortified soybean in animals feeding, especially in livestock. This could be a subject of further research, with the aim of pointing out the possibilities of using selenium-biofortified soybean in livestock feeding.
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- 2024
7. Analysis of 18 elements in Alpine goat milk in the first third of lactation.
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Antunović, Zvonko, Šalavardić, Željka Klir, Mioč, Boro, and Novoselec, Josip
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TRACE elements , *GOAT milk , *GOATS , *LACTATION , *GOAT breeds , *INFRARED spectroscopy - Abstract
The research objective was to examine the influence of the first third of the lactation stage on 18 mineral elements in Alpine goat milk. The research was carried out on 20 goats of the French-Alpine breed, which were on average 5 years old and in the fourth lactation. The goats were monitored on the 30th and the 90th day of lactation. Their milk was analysed for chemical composition by the infrared spectroscopy. By means of inductively coupled plasma (ICP), a total of 18 minerals were analysed (Ca, P, K, Na, K, Mg, Fe, Zn, Cu, Se, Mn, Mo, Co, Cr, Ni, Cd, Pb, As and Hg). The period of milk sampling in the first third of lactation significantly influenced the changes in concentrations of Na, Se, Mo, Cr, Ni and As. Significantly higher concentrations of Na and As were determined in milk sampled on the 90th day, while lower concentrations of Se, Mo, Cr and Ni were determined in milk sampled on the 30th day of the first third of lactation. Analysis of the correlation coefficients between the investigated trace elements and the selected toxic elements in Alpine goat milk showed a significantly positive correlation between Ca:Mg, Ca:P, Ca:Co, Ca:Ni, Ca:Mo; Mg:P, Fe:As, Pb:Cd and P:Ni. In the first third of lactation, Alpine goat milk contained a very low concentration of heavy metals. The described changes indicate that Alpine goat milk is rich in essential elements, while the concentration of toxic elements is very low in the first third of lactation. [ABSTRACT FROM AUTHOR]
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- 2024
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8. The influence of different stress factors on the production and quality of sheep milk.
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Mioč, Boro, Antunović, Zvonko, Širić, Ivan, Novoselec, Josip, Kasap, Ante, Šalavardić, Željka Klir, Ramljak, Jelena, and Držaić, Valentino
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SHEEP milk , *FACTORS of production , *MILK quality , *MILKFAT , *MILKING , *SHEEP farming , *HEALTH of sheep , *MILK yield - Abstract
Around 10.5 million tonnes of sheep milk are produced worldwide, and around 3.1 million tonnes in Europe. In Europe, sheep milk production has stagnated slightly in recent years and currently accounts for around 1/3 of the global production. Due to its high content of dry matter, milk fat, total protein and casein, sheep milk is an excellent raw material for cheese production. Milk processing and cheese making are not only economically important, but also part of the cultural heritage based on a long tradition, often taking place in rural and less developed areas. Milk production and quality are very complex and are influenced by numerous factors, the most important of which are breed, feeding and body condition, parity and stage of lactation, milking and udder health, and environmental factors. In addition, different types of stress such as heat stress, nutritional stress, weaning stress, shearing stress, stress of regrouping, etc. have a significant impact on the welfare and health of the sheep as well as on the quantity of milk produced, its chemical composition, processing characteristics and the economic efficiency of the flock. In recent years, due to climate change, there has been an increasing number of studies on the effects of heat stress on the reproductive and production characteristics of sheep, as well as on their welfare and health. In addition, heat stress is often associated to the feed and the lack of water. The effects of stress are particularly pronounced in extensive sheep farming and milk production, which are prevalent in sheep farming. The aim of this paper is to describe the effects of the main types of stress on the quantity and chemical composition of sheep milk and on animal welfare. [ABSTRACT FROM AUTHOR]
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- 2024
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9. Development potentials and SWOT analysis of organic animal husbandry in the Republic of Croatia and its comparison with the EU.
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ANTUNOVIĆ, Zvonko, KLIR ŠALAVARDIĆ, Željka, SAMAC, Danijela, ZMAIĆ, Krunoslav, and NOVOSELEC, Josip
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ANIMAL culture ,SWOT analysis ,FARMS ,EDUCATION of farmers ,AGRICULTURE ,ORGANIC farming - Abstract
Copyright of Journal of Central European Agriculture is the property of Journal of Central European Agriculture and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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10. Essential Trace and Toxic Element Content in Lacaune Sheep Milk during Lactation
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Antunović, Zvonko, primary, Mioč, Boro, additional, Novoselec, Josip, additional, Širić, Ivan, additional, Držaić, Valentino, additional, and Klir Šalavardić, Željka, additional
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- 2023
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11. Blood Acid-Base Balance of Istrian Goats
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Antunović, Zvonko, primary, Klir, Željka, additional, Šerić, Vatroslav, additional, Zmaić, Krunoslav, additional, and Novoselec, Josip, additional
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- 2020
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12. Hematological and biochemical parameters in the indigenous Croatian white goat in relation to age
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Antunović, Zvonko, Erceg, Ozren, Klir Šalavardić, Željka, Mioč, Boro, Đidara, Mislav, and Novoselec, Josip
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General Veterinary ,age ,Croatia ,goats ,blood parameters ,dob ,Hrvatska ,koze ,pokazatelji u krv - Abstract
The aim of the research was to determine the age-related hematological and biochemical parameters in Croatian white goats in a traditional Mediterranean production system. The 36 lactating Croatian white goats were divided into three groups with 12 goats each, according to age: group I (1-2 years old), group II (3-5 years) and group III (>5 years). The mean corpuscular haemoglobin concentration (334 g/L) and lymphocytes (73.71%), as well as the concentration of iron (Fe 25.17 μmol/L) in the blood were higher, while the concentration of urea (3.86 mmol/L) was lower in group I compared to group III. The results of the present study are the first published blood analysis (hematological and biochemical parameters) for the Croatian white goat breed, and can be useful for understanding the metabolism and health status of this breed of goats, which helps in their conservation, promotion and breeding improvement., Cilj istraživanja bio je utvrditi hematološke i biokemijske pokazatelje koza različite dobi, pasmine hrvatska bijela koza. Koze su uzgajane u tradicionalnom mediteranskom proizvodnom sustavu. Ukupno 36 koza u laktaciji podijeljeno je u tri skupine, svaka s po 12 koza, prema dobi: skupina I (dob 1-2 godine), skupina II (dob 3-5 godina) i skupina III (dob > 5 godina). Prosječna koncentracija hemoglobina u eritrocitima (334 g/l) i udio limfocita (73,71%), kao i koncentracija željeza (Fe 25,17 μmol/L) u krvi bile su više, dok je koncentracija uree (3,86 mmol/l) bila niža u skupini I u usporedbi sa skupinom III. Rezultati ovog istraživanja su prva objavljena analiza krvi (hematološki i biokemijski pokazatelji) za hrvatsku bijelu kozu. Utvrđene vrijednosti mogu biti korisne za razumijevanje metabolizma i zdravstvenog statusa ove pasmine koza, što pomaže u njezinom očuvanju, promociji i poboljšanju uzgoja.
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- 2023
13. Production Traits, Blood Metabolic Profile, and Antioxidative Status of Dairy Goats Fed a Red Corn Supplemented Feed Mixture.
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Antunović, Zvonko, Klir Šalavardić, Željka, Novoselec, Josip, Steiner, Zvonimir, Đidara, Mislav, Pavić, Valentina, Jakobek Barron, Lidija, Ronta, Mario, and Mioč, Boro
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GOATS ,DIETARY supplements ,SUPEROXIDE dismutase ,ERYTHROCYTES ,MIXTURES ,CORN - Abstract
This study investigated the effect of red corn in the feed mixture of dairy goats on production traits, blood metabolic profile, and antioxidative status. The study was conducted on 30 French Alpine dairy goats. The feed mixture for the goats in the control group (CC) contained yellow corn (100%). In the first experimental group (RC50), yellow corn was partially (50%) replaced by red corn (RC), and in the second experimental group (RC100), yellow corn was completely (100%) replaced by red corn. No significance variations (p > 0.05) were determined in production traits of dairy goats between dietary treatments. A significant increase in hemoglobin (84.43, 100.00 and 106.55 g/L), mean corpuscular hemoglobin (7.98, 9.70 and 12.54 pg), and mean corpuscular hemoglobin concentration (293.57, 357.50 and 462.78 g/L) was found in the RC groups, and a decrease in erythrocytes in the RC100 compared with the RC50 group of goats (from 8.71 to 10.45 × 10
12 L). A significant increase in blood superoxide dismutase (SOD) activity in the RC groups was found (0.29, 0.53, and 0.44 U/mL). The results indicate maintaining production traits and a moderate effect on blood metabolic profile (most hematologic parameters) as well as a positive antioxidative effect RC. [ABSTRACT FROM AUTHOR]- Published
- 2024
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14. Modifying the quality of Cure Slavonian Hams of Black Slavonian Pigs by selecting the final body weight and nutrition
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Senčić, Đuro, primary, Samac, Danijela, additional, and Antunović, Zvonko, additional
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- 2023
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15. Meat quality, metabolic profile and antioxidant status of lambs fed on seedless grape pomace (Vitis vinifera L.)
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Antunović, Zvonko, primary, Šalavardić, Željka Klir, additional, Steiner, Zvonimir, additional, Đidara, Mislav, additional, Drenjančević, Mato, additional, Ronta, Mario, additional, Pavić, Valentina, additional, Barron, Lidija Jakobek, additional, and Novoselec, Josip, additional
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- 2023
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16. Utjecaj klimatskih promjena na proizvodnju domaće šunke
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Samac, Danijela, Antunović, Zvonko, Steiner, Zvonimir, Novoselec, Josip, Prakatur, Ivana, Klir Šalavardić, Željka, Ronta, Mario, Novoselec, Maja, Kovačić, Đurđica, Samac, Danijela, Antunović, Zvonko, Steiner, Zvonimir, Novoselec, Josip, Prakatur, Ivana, Klir Šalavardić, Željka, Ronta, Mario, Novoselec, Maja, and Kovačić, Đurđica
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Klima je sustav koji se konstantno mijenja djelovanjem sunčeve i vulkanske aktivnosti te astronomskih parametara, a kroz zadnje stoljeće i povećanjem ljudskih aktivnosti. Upravo ljudska aktivnost je povećala atmosferske koncentracije stakleničkih plinova i uzrokovala porast temperature. Mjerenja pokazuju da je zatopljenje izraženije nad kopnom nego nad morem, odnosno da je jače nad Europom, Sjevernom Amerikom i Azijom, nego nad Australijom, Afrikom i južnom Amerikom. U Republici Hrvatskoj porast temperatura izraženiji je na obali nego u kontinentalnim dijelovima zemlje, ali je taj porast na priobalju izraženiji u toplom dijelu godine, dok je u kopnenim područjima taj porast izraženiji tijekom zimskog perioda. Upravo to povećanje temperatura u zimskom dijelu godine pogađa proizvođače domaće šunke i ostalih suhomesnatih proizvoda u kontinentalnom dijelu zemlje. U tradicionalnoj proizvodnji šunki proizvođači su šunke stavljali na zrenje najčešće u tavanske prostore kuća, gdje je bio zadovoljavajući protok zraka, oslanjajući se na utjecaj prirode tj. klimu toga dijela godine. Promjenom klime, došlo je do već spomenutih povišenih temperatura, koje u fazi zrenja šunki negativno utječu na kvalitetu samog proizvoda te je cilj ovoga rada ukazati kako te promjene utječu na dugogodišnju tradicijsku proizvodnju šunki i kako je za budućnost nužno uvođenje promjena u tu proizvodnju., The climate is a system that is constantly changing due to solar and volcanic activities, astronomical parameters, and also due to the increase of human activities throughout the last century. Human activity increased the atmospheric concentrations of greenhouse gases and caused a temperature rise. Measurements show that the warming is more pronounced over the land than over the sea, i.e. it is stronger over Europe, North America, and Asia; than over Australia, Africa, and South America. In the Republic of Croatia, the increase in temperatures is more pronounced on the coast than in the continental parts of the country, but this increase on the coast is manifested in the warm part of the year, while in the inland areas, the increase is manifested during the winter period. This increase in temperatures in the winter part of the year affects the producers of domestic ham and other dried meat products in the continental part of the country. In traditional ham production, the producers usually placed ham for ripening in the attic spaces of houses, where there was a satisfactory air flow, relying on the influence of nature, i.e., the climate of that part of the year. In traditional ham production, the producers usually placed ham for ripening in the attic spaces of houses, where there was a satisfactory air flow, relying on the influence of nature, i.e. the climate of that part of the year. Given that climate change is already present and that it directly affects the agricultural sector, this paper aimed to show how these changes affect the long-standing traditional production of ham and how it is necessary to introduce production changes in the future.
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- 2023
17. Upotreba nusproizvoda rajčice u hranidbi domaćih životinja
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Antunović, Zvonko, Klir Šalavardić, Željka, Novoselec, Josip, Antunović, Zvonko, Klir Šalavardić, Željka, and Novoselec, Josip
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U procesu prerade rajčice nastaju različiti nusproizvodi i to: komina, pulpa, pokožica, sjemenke, ali i neiskorišteni dijelovi ploda koje treba zbrinuti u cilju smanjenja štetnih učinaka na okoliš. Komina rajčice je najzastupljeniji nusproizvod koji nastaje pri preradi rajčice. Cilj ovoga rada je prikazati mogućnosti upotrebe nusproizvoda rajčice u hranidbi domaćih životinja podijeljenih prema građi probavnog sustava s posebnim osvrtom na novije znanstvene spoznaje te predložiti njihove optimalne razine korištenja. Nusproizvodi rajčice imaju značajan udio vode i ugljikohidrata, manju količinu bjelančevina i lipida, a bogati su bioaktivnim spojevima prije svega onima iz skupine karotenoida, osobito likopenom. Učinkovitost upotrebe nusproizvoda rajčice ovisi o građi probavnog sustava domaćih životinja, dobi i proizvodnoj fazi životinja te kompoziciji obroka i formi ponuđenog nusproizvoda. Analizom dostupne literature o upotrebi nusproizvoda rajčice u hranidbi domaćih životinja može se zaključiti da je u cilju postizanja povoljnih proizvodnih i fizioloških učinaka te sprječavanja njihovog negativnog djelovanja za preporučiti kod nepreživača do 10 ili maksimalno 15 % obroka, a kod preživača i više od 20 %., In the tomato processing, various by-products are produced: pomace, pulp, skin, seeds, but also unused parts of the fruit which should be disposed of in order to reduce the harmful effects on the environment. Tomato pomace is the most abundant by-product produced during tomato processing. The aim of this paper is to show the possibilities of using tomato by-products in the feeding of domestic animals, divided according to the structure of the digestive system, with special reference to recent scientific knowledge, and to propose their optimal levels of use. Tomato by-products have a significant proportion of water and carbohydrates, a smaller amount of proteins and lipids, and are rich in bioactive compounds, primarily those from the group of carotenoids, especially lycopene. The efficiency of using tomato by-products depends on the structure of the digestive system of domestic animals, the age and production stage of the animals, as well as the composition of the diet and the form of offered by-product. Analyzing the available literature on the use of tomato by-products in the feeding of domestic animals, it can be concluded that in order to achieve favorable production and physiological effects and to prevent their negative effects, for non-ruminants up to 10 or a maximum 15% of the diet is recommended, and for ruminants more than 20%.
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- 2023
18. Prva obavijest - Krmiva 2024
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Antunović, Zvonko and Antunović, Zvonko
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- 2023
19. Feeds stuffs with increased anthocyanin content in animal nutrition
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Novoselec, Josip, Đurin, Mihael, Klir Šalavardić, Željka, Sičaja, Vinko, Steiner, Zvonimir, Antunović, Zvonko, Novoselec, Josip, Đurin, Mihael, Klir Šalavardić, Željka, Sičaja, Vinko, Steiner, Zvonimir, and Antunović, Zvonko
- Abstract
The word anthocyanin comes from the Greek words Anthos, meaning flower, and kyanose, meaning blue. Anthocyanins give red, purple, and blue colors to plants. In acidic conditions, they appear as red pigments and in alkaline conditions, they appear as blue pigments. The intensive nature of agricultural (animal) production, with a high density of individuals in animal production facilities, very often contributes to the occurrence of disorders and diseases in animals that threaten this production. A major problem for the animal organism is the effects and consequences of oxidative stress or excessive production of free radicals, which are the main cause of metabolic disorders in cows in the transition period, and antioxidants can prevent or at least mitigate these conditions. Anthocyanins as a source of natural antioxidants play an important role in increasing the antioxidant potential that protects the cell against oxidative damage. Some anthocyanin species may have an enhancing effect on mRNA expression and superoxide dismutase activity. The bioavailability of anthocyanins is relatively low due to poor absorption in the digestive tract. In our region, colored corn, wheat, barley, and sorghum can be used as anthocyanin sources in the domestic animal diet, black soybean, rye, and black and red rice also have high anthocyanin content. Purple corn can accumulate much more anthocyanins than commercial corn varieties., Krmiva s povećanim sadržajem antocijanina u hranidbi životinja. Riječ antocijanin dolazi od grčkih riječi anthos, što označuje cvijet te kyanose što označuje plavu boju. Antocijanini biljkama daju crvenu, ljubičastu i plavu boju. U kiselim uvjetima se pojavljuje kao crveni pigment, a u lužnatim kao plavi pigment. Intenzivan način poljoprivredne (stočarske) proizvodnje s velikom gustoćom jedinki unutar proizvodnih objekata za životinje vrlo često pridonosi pojavi poremećaja i bolesti životinja koje ugrožavaju tu proizvodnju. Veliki problem za životinjski organizam su učinci i posljedice oksidacijskog stresa, odnosno prekomjerne proizvodnje slobodnih radikala koji su glavni uzrok metaboličkih poremećaja kod krava u prijelaznom razdoblju, a antioksidansi mogu spriječiti ili barem ublažiti ta stanja. Antocijanini kao izvor prirodnih antioksidanata imaju važnu ulogu u povećavanju antioksidacijskog potencijala koji štiti stanicu od oksidacijske štete. Biodostupnost antocijanina je relativno niska s obzirom na relativno slabu apsorpcija u probavnom sustavu životinja. Neke vrste antocijanina mogu imati pospješujući učinak na ekspresiju mRNA i aktivnost superoksid dismutaze. Na našem području kao izvor antocijanina u hranidbi domaćih životinja ponajviše se može koristiti ljubičasti kukuruz, ljubičasta pšenica, ljubičasti ječam te ljubičasti sirak, ali valja spomenuti i crnu soju, raž te crnu i crvenu rižu koji također posjeduju značajni sadržaj antocijana. Ljubičasti kukuruz ima sposobnost nakupljanja značajno više antocijanina u odnosu na komercijalne sorte običnog kukuruza.
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- 2023
20. Modificiranje kvalitete suhih slavonskih šunki od crnih slavonskih svinja odabirom završne tjelesne mase i hranidbom
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Senčić, Đuro, Samac, Danijela, Antunović, Zvonko, Senčić, Đuro, Samac, Danijela, and Antunović, Zvonko
- Abstract
Ukupno 40 crnih slavonskih svinja tovljeno je do manjih (oko 130 kg) i većih (oko 180 kg) tjelesnih masa. Svinje su podjeljene u skupine A, B, C i D. Svinje skupina A i B tovljene su do oko 130 kg, svinje skupina C i D do oko 180 kg tjelesne mase. Svaka od skupina svinja držana je u poluotvorenom sustavu i hranjena je zelenom lucernom i krmnim smjesama s višom (14 % i 12 %) i nižom (12 % i 10 %) razinom sirovih proteina.Krmne smjese i lucernu svinje su jele ad libitum. Svinjski butovi su obrađeni i prerađeni na isti način (oblikovanje, soljenje – suho salamurenje 30 dana, hladno dimljenje 60 dana i zrenje 12 mjeseci). Svinje većih tjelesnih masa (oko 180 kg) u odnosu na svinje manjih tjelesnih masa (oko 130 kg) daju teže šunke, s većim stupnjem svjetloće (CIE L*) i crvenila (CIE a*) i manjim stupnjem žutila (CIE b*) mesa, s većim udjelom sirovih masti i soli (NaCl) u mesu te boljim mirisom i čvrstoćom šunki. Svinje hranjene s krmnim smjesama s višom razinom sirovih proteina (14 % i 12 %) u odnosu na svinje hranjene s nižom razinom sirovih proteina (12 % i 10 %) daju šunke s tanjim potkožnim masnim tkivom, s nižom stupnjem svjetloće (CIE L*) i žutila (CIE b*) mesa, s više vode, a manje masti u mesu te boljom čvrstoćom mesa. Završna tjelesna masa i hranidba svinja mogu značajno modificirati neka fizikalna, kemijska i senzorna svojstva šunki od crnih slavonskih svinja., A total of 40 Black Slavonian Pigs were fattened to smaller (about 130 kg) and larger (about 180 kg) body weights. Pigs are divided into groups A, B, C, and D. Pigs of groups A and B are fattened up to about 130 kg, and pigs of groups C and D up to about 180 kg of body weight. Each group of pigs was kept in a semi-open system and was fed green alfalfa and fodder mixtures with a higher (14% and 12%) and lower (12% and 10%) level of crude proteins. The fodder mixtures and alfalfa were eaten ad libitum by the pigs. Pork legs are treated and processed in the same way (shaping, salting - dry brining for 30 days, cold smoking for 60 days, and ripening for 12 months). Pigs with larger body masses (about 180 kg) compared to pigs with smaller body masses (about 130 kg) produce heavier hams, with a higher degree of lightness (CIE L*) and redness (CIE a*) and a lower degree of yellowness (CIE b*) of the meat, with a higher proportion of raw fat and salt (NaCl) in the meat and a better smell and firmness of the ham. Pigs fed with feed mixtures with a higher level of crude protein (14 % and 12 %) compared to pigs fed with a lower level of crude protein (12 % and 10 %) produce hams with thinner subcutaneous fat tissue, with a lower degree of lightness (CIE L* ) and yellowness (CIE b*) of the meat, with more water and less fat in the meat and better firmness of the meat. Final body weight and feeding of pigs can significantly modify some physical, chemical, and sensory properties of hams from Black Slavonian Pigs., Insgesamt 40 schwarze slawonische Schweine wurden auf kleinere (ca. 130 kg) und größere (ca. 180 kg) Körpergewichte gemästet. Die Schweine wurden in die Gruppen A, B, C und D eingeteilt. Die Schweine der Gruppen A und B wurden bis zu einem Körpergewicht von etwa 130 kg gemästet, die Schweine der Gruppen C und D bis zu einem Körpergewicht von etwa 180 kg. Jede Gruppe von Schweinen wurde in einem halboffenen System gehalten und erhielt Grünluzerne und Futtermischungen mit einem höheren (14 % und 12 %) und einem niedrigeren (12 % und 10 %) Rohproteingehalt. Die Futtermischungen und Luzerne wurden von den Schweinen ad libitum gefressen. Die Schweinekeulen wurden auf die gleiche Weise behandelt und verarbeitet (Ausformen, Salzen - Trockenpökeln für 30 Tage, Kalträuchern für 60 Tage und Reifung für 12 Monate). Schweine mit größerer Körpermasse (ca. 180 kg) im Vergleich zu Schweinen mit kleinerer Körpermasse (ca. 130 kg) erzeugten schwerere Schinken, mit einem höheren Grad an Helligkeit (CIE L*) und Rötung (CIE a*) und einem geringeren Grad an Vergilbung (CIE b*) des Fleisches, mit einem höheren Anteil an Rohfett und Salz (NaCl) im Fleisch und einem besseren Geruch und Festigkeit des Schinkens. Schweine, die mit Futtermischungen mit höherem Rohproteingehalt (14 % und 12 %) gefüttert wurden, ergaben im Vergleich zu Schweinen, die mit einem niedrigeren Rohproteingehalt (12 % und 10 %) gefüttert wurden, Schinken mit dünnerem Unterhautfettgewebe, mit einem geringeren Grad an Helligkeit (CIE L* ) und Gelbfärbung (CIE b*) des Fleisches, mit mehr Wasser und weniger Fett im Fleisch und einer besseren Festigkeit des Fleisches. Das endgültige Körpergewicht und die Fütterung der Schweine können einige physikalische, chemische und sensorische Eigenschaften von Schinken von schwarzen slawonischen Schweinen erheblich verändern., Un total de 40 cerdos negros de Eslavonia fueron engordados a pesos corporales más pequeños (alrededor de 130 kg) y más grandes (alrededor de 180 kg). Los cerdos fueron divididos en grupos A, B, C y D. Los cerdos de los grupos A y B engordaron hasta unos 130 kg, los cerdos de los grupos C y D hasta unos 180 kg de peso corporal. Cada uno de los grupos de cerdos fue en un sistema semiabierto y fue alimentado con la mezcla de alfalfa verde y forraje mayor (14 % y 12 %) y menor nivel (12 % y 10 %) de proteína cruda. Los cerdos comieron mezclas de alimentos y alfalfa ad libitum. Los lomos de cerdo fueron tratados y procesados de la misma manera (moldeado, salado: salmuera seca durante 30 días, ahumado en frío durante 60 días y maduración durante 12 meses). Los cerdos de mayor masa corporal (unos 180 kg) en comparación con los cerdos de menor masa corporal (unos 130 kg) producen jamones más pesados, con mayor grado de luminosidad (CIE L*) y rojez (CIE a*) y menor grado de amarillamiento (CIE b*) de la carne, con mayor proporción de grasa cruda y sal (NaCl) en la carne y mejor olor y firmeza del jamón. Los cerdos alimentados con mezclas de piensos con un nivel más alto de proteína cruda (14 % y 12 %) en comparación con los cerdos alimentados con un nivel más bajo de proteína cruda (12 % y 10 %) producen jamones con tejido adiposo subcutáneo más delgado, con un menor grado de luminosidad (CIE L* ) y amarillez (CIE b*) de la carne, con más agua y menos grasa en la carne y mejor firmeza de la carne. El peso corporal final y la alimentación de los cerdos pueden modificar significativamente algunas propiedades físicas, químicas y sensoriales de los jamones de cerdos negros de Eslavonia, Si è proceduto all’ingrasso di un totale di 40 maiali neri della Slavonia, fino a raggiungere pesi corporei minori (circa 130 kg) e maggiori (circa 180 kg). I suini sono stati suddivisi nei gruppi A, B, C e D. I suini dei gruppi A e B sono stati ingrassati fino a circa 130 kg, mentre i suini dei gruppi C e D sono stati ingrassati fino a circa 180 kg di peso corporeo. Ciascuno dei gruppi di suini è stato allevato in un regime semiaperto e alimentato con erba medica verde e miscele di mangime con livelli di proteine grezze più alti (14% e 12%) e più bassi (12% e 10%). I maiali hanno mangiato le miscele di mangimi e l’erba medica ad libitum. Le cosce di suino sono state trattate e lavorate allo stesso modo (formatura, salatura - salamoia a secco per 30 giorni, affumicatura a freddo per 60 giorni e frollatura per 12 mesi). I suini con peso corporeo maggiore (circa 180 kg), rispetto a quelli con peso corporeo minore (circa 130 kg), hanno dato prosciutti più pesanti, con un grado di luminosità (CIE L*) e di rosso (CIE a*) più alto e un grado di giallo inferiore (CIE b*), con una maggiore percentuale di grasso crudo e sale (NaCl) nella carne e prosciutti con odore e consistenza migliori. I suini alimentati con miscele di mangimi con un livello più elevato di proteine grezze (14 % e 12 %), rispetto a quelli alimentati con un livello inferiore di proteine grezze (12 % e 10 %), hanno dato prosciutti con tessuto adiposo sottocutaneo più sottile, con un grado di luminosità (CIE L*) e giallo (CIE b*) inferiori, ma con più acqua e meno grasso nella carne e una migliore compattezza. Il peso corporeo finale e l'alimentazione dei suini possono modificare significativamente alcune proprietà fisiche, chimiche e sensoriali dei prosciutti di suino nero di Slavonia.
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- 2023
21. Obogaćivanje janjećeg mesa selenom
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Antunović, Zvonko, Novoselec, Josip, and Klir Šalavardić, Željka
- Subjects
obogaćivanje ,janjeće meso ,selen ,anorganski i organski izvor selena ,biofortifikacija ,enrichment ,lamb meat ,selenium ,inorganic and organic selenium sources ,biofortification - Abstract
Selen je važan mikroelement u prehrani ljudi i hranidbi životinja. Cilj ovoga rada je prikazati metode/postupke koji se poduzimaju u procesu obogaćivanja janjećeg mesa selenom. Različitim hranidbenim modifikacijama moguće je značajno promijeniti (prije svega poboljšati) sadržaj minerala u janjećem mesu pa tako i selena. Unos selena u janjadi varira zbog promjene elementarnog sastava biljnih vrsta tijekom sezone, te koncentracije u krmnoj smjesi. Hranidbeni čimbenici imaju značajan utjecaj na sadržaj selena u janjećem mesu. Selen organskog podrijetla, osobito podrijetlom od biofortificiranih krmiva pokazuje bolju dostupnost u odnosu na anorganski izvor a korišteni su za poboljšanje zdravlja i proizvodnosti te mogu biti put u procesu obogaćivanja janjećeg mesa selenom prirodnim putem. Analizom dosadašnjih dostupnih istraživanja vidljiv je značajan utjecaj dodatka selena (organski oblici) ili korištenih biofortificiranih krmiva selenom u hrani janjadi na njegov sadržaj u janjećem mesu te je to put koji treba koristiti u procesu obogaćivanja janjećeg mesa selenom., Selenium is an important trace element in human and animal nutrition. The aim of this research is to present the methods/procedures that are undertaken in the process of enrichment of lamb meat with selenium. Various nutritional modifications can significantly change (primarily improve) the mineral content in lamb meat and thus selenium. Selenium intake in lambs varies due to changes in the elemental composition of plant species during the season, and the concentration in the feed mixture. Nutritional factors have a significant impact on the selenium content in lamb meat. Selenium of organic origin, especially originating from biofortified feeds, shows better availability compared to the inorganic source and it has been used to improve health and productivity as well as be a way in the process of enriching lamb meat with selenium naturally. The analysis of previous research shows a significant impact of selenium supplementation (organic forms) or used biofortified feeds with selenium in lamb feed on its content in lamb meat and this is the way to be used in the process of enriching lamb meat with selenium.
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- 2022
22. Correlation between milk composition and selected blood indicators of liver function in ewes during lactation
- Author
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Antunović, Zvonko, Mioč, Boro, Klir, Željka, Širić, Ivan, Držaić, Valentino, Jukić Grabovac, M., and Novoselec, Josip
- Subjects
milk ,Dairying ,SF221-250 ,ewes ,blood ,lactation ,liver ,digestive system ,digestive system diseases - Abstract
The objective of this study was to research correlations between milk composition and selected blood indicators of liver function in ewes during lactation. The research was conducted with samples of milk and blood from Travnik Pramenka ewes (n = 99). Samples were collected in the area of western Slavonia in Croatia from lactating sheep grazing on natural pastures. Chemical composition of sheep milk was analysed as well as biochemical parameters in serum. Positive correlation between ALB : TGC, ALB : ALT, GUK : GGT, CHOL : ALT and AST : GGT was determined, while significant negative correlation was determined between GUK : ALB, GUK : TGC, GUK : ALT, ALB : GGT as well as ALT : GGT. Significant positive correlation was determined between blood and milk indicators, like ALB protein (r = 0.243), ALB : DMNF (r = 0.309) and ALB : SCC (r = 0.249), as well as negative correlation between TGC : MY (r = -0.264), ALT : protein (r = -0.258), lactose : TGC (r = -0.274) and ALT : DMNF (r = -0.234). The relations between indicators of milk composition, milk production and ewes blood indicators as well as their mutual connections indicate the justification of using the analysis of liver status indicators. Accordingly, by using these relations metabolic pathways of liver status indicators could be better monitored, which is important for practice regarding prevention of possible feeding errors and prevention of major production losses while maintaining the health of lactating sheep.
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- 2022
23. Promjena acidobazne ravnoteže krvi u lakon ovaca tijekom različitih stadija laktacije
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Antunović, Zvonko, primary, Mioč, Boro, additional, Klir Šalavardić, Željka, additional, Širić, Ivan, additional, Držaić, Valentino, additional, Šerić, Vatroslav, additional, Mandić, Sanja, additional, and Novoselec, Josip, additional
- Published
- 2022
- Full Text
- View/download PDF
24. Utjecaj pogače sjemenki bundeve i ekstrudiranog lana na proizvodne pokazatelje jaradi
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Klir Šalavardić, Željka, primary, Novoselec, Josip, additional, Ronta, Mario, additional, and Antunović, Zvonko, additional
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- 2022
- Full Text
- View/download PDF
25. The influence of climate changes on the production of domestic ham
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Samac, Danijela, Antunović, Zvonko, Steiner, Zvonimir, Novoselec, Josip, Prakatur, Ivana, Klir Šalavardić, Željka, Ronta, Mario, Novoselec, Maja, and Kovačić, Đurđica
- Subjects
climate change ,ham ,traditional production ,klimatske promjene ,šunka ,tradicijska proizvodnja - Abstract
Klima je sustav koji se konstantno mijenja djelovanjem sunčeve i vulkanske aktivnosti te astronomskih parametara, a kroz zadnje stoljeće i povećanjem ljudskih aktivnosti. Upravo ljudska aktivnost je povećala atmosferske koncentracije stakleničkih plinova i uzrokovala porast temperature. Mjerenja pokazuju da je zatopljenje izraženije nad kopnom nego nad morem, odnosno da je jače nad Europom, Sjevernom Amerikom i Azijom, nego nad Australijom, Afrikom i južnom Amerikom. U Republici Hrvatskoj porast temperatura izraženiji je na obali nego u kontinentalnim dijelovima zemlje, ali je taj porast na priobalju izraženiji u toplom dijelu godine, dok je u kopnenim područjima taj porast izraženiji tijekom zimskog perioda. Upravo to povećanje temperatura u zimskom dijelu godine pogađa proizvođače domaće šunke i ostalih suhomesnatih proizvoda u kontinentalnom dijelu zemlje. U tradicionalnoj proizvodnji šunki proizvođači su šunke stavljali na zrenje najčešće u tavanske prostore kuća, gdje je bio zadovoljavajući protok zraka, oslanjajući se na utjecaj prirode tj. klimu toga dijela godine. Promjenom klime, došlo je do već spomenutih povišenih temperatura, koje u fazi zrenja šunki negativno utječu na kvalitetu samog proizvoda te je cilj ovoga rada ukazati kako te promjene utječu na dugogodišnju tradicijsku proizvodnju šunki i kako je za budućnost nužno uvođenje promjena u tu proizvodnju., The climate is a system that is constantly changing due to solar and volcanic activities, astronomical parameters, and also due to the increase of human activities throughout the last century. Human activity increased the atmospheric concentrations of greenhouse gases and caused a temperature rise. Measurements show that the warming is more pronounced over the land than over the sea, i.e. it is stronger over Europe, North America, and Asia; than over Australia, Africa, and South America. In the Republic of Croatia, the increase in temperatures is more pronounced on the coast than in the continental parts of the country, but this increase on the coast is manifested in the warm part of the year, while in the inland areas, the increase is manifested during the winter period. This increase in temperatures in the winter part of the year affects the producers of domestic ham and other dried meat products in the continental part of the country. In traditional ham production, the producers usually placed ham for ripening in the attic spaces of houses, where there was a satisfactory air flow, relying on the influence of nature, i.e., the climate of that part of the year. In traditional ham production, the producers usually placed ham for ripening in the attic spaces of houses, where there was a satisfactory air flow, relying on the influence of nature, i.e. the climate of that part of the year. Given that climate change is already present and that it directly affects the agricultural sector, this paper aimed to show how these changes affect the long-standing traditional production of ham and how it is necessary to introduce production changes in the future.
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- 2023
26. The environmental impact of sheep wool production and processing
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Mioč, Boro, Džaja, Ana, Kasap, Ante, Antunović, Zvonko, Jukić Grbavac, Marija, and Držaić, Valentina
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vuna ,pranje ,otpad ,okoliš ,nove tehnologije ,wool ,washing ,waste ,environment ,new technologies - Abstract
Vuna je u prošlosti bila jedan od najvažnijih i najcjenjenijih ovčjih proizvoda. Zbog svoje je važnosti nerijetko nazivana „bijelim zlatom“. Većinu proizvedene vune (oko 56 %) prerađuje tekstilna industrija čija je sirovina uglavnom vuna vrhunske kvalitete. U posljednjim je desetljećima, zbog izrazite konkurencije sintetičkih vlakana, znatno smanjen interes za vunom, osobito onom grubom, loše kvalitete (koje je u Europi i Hrvatskoj najviše). Osim toga velik je problem vuneni otpad koji nastaje tijekom striže ovaca i procesa prerade vune. U kategoriju otpadne (neželjene) vune pripada i trbušna vuna finorunih pasmina ovaca koje je u runu oko 20 %. Tijekom procesa prerade (grebanje, češljanje, predenje, tkanje i dr.) otpadne od 10 do 15 % vune. Pranjem vune troši se mnogo energije, rada, vremena te vode koja najčešće završava u okolišu. Sve naglašenija svijest o važnosti očuvanja okoliša i veća potreba za sigurnim i održivim biološkim materijalima pokretač su traženja novih metoda recikliranja vunenog otpada i stvaranja novih proizvoda. Stoga je velik izazov u budućnosti pronaći gospodarski korisna, tržišno isplativa i ekološki prihvatljiva rješenja za nekvalitetnu vunu i vunski otpad, što će izravno pripomoći uzgajivačima i pridonijeti očuvanju okoliša., In the past, wool was one of the most important and valued sheep products. Because of its importance, it was often called „white gold“. Most of the wool produced (about 56%) is processed by the textile industry, whose raw material is mostly high quality wool. In recent decades, interest in wool, especially coarse, low-quality wool (which is most common in Europe and Croatia), has declined significantly due to strong competition from man-made fibers. In addition, the wool waste generated during sheep shearing and wool processing is a significant problem. The category of waste wool (unwanted wool) also includes the belly wool of fine wool sheep breeds, which makes up about 20% of the fleece. During the processing (scratching, combing, spinning, weaving, etc.) 10-15% of the wool is wasted. Washing wool consumes a lot of energy, labour, time and water, which in most cases ends up in the environment. Increasing awareness of the importance of environmental protection and the growing need for safe and sustainable biological materials are driving the search for new methods to recycle wool waste and create new products. So the big challenge for the future is to find economically viable, market-oriented and ecologically sound solutions for low-quality wool and wool waste that directly help producers and protect the environment.
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- 2023
27. Use of tomato by-products in domestic animal nutrition
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Antunović, Zvonko, Klir Šalavardić, Željka, and Novoselec, Josip
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tomato by-products ,feeding ,ruminants ,non-ruminants ,tomato pomace ,nusproizvodi rajčice ,hranidba ,preživači ,nepreživači ,komina rajčice - Abstract
U procesu prerade rajčice nastaju različiti nusproizvodi i to: komina, pulpa, pokožica, sjemenke, ali i neiskorišteni dijelovi ploda koje treba zbrinuti u cilju smanjenja štetnih učinaka na okoliš. Komina rajčice je najzastupljeniji nusproizvod koji nastaje pri preradi rajčice. Cilj ovoga rada je prikazati mogućnosti upotrebe nusproizvoda rajčice u hranidbi domaćih životinja podijeljenih prema građi probavnog sustava s posebnim osvrtom na novije znanstvene spoznaje te predložiti njihove optimalne razine korištenja. Nusproizvodi rajčice imaju značajan udio vode i ugljikohidrata, manju količinu bjelančevina i lipida, a bogati su bioaktivnim spojevima prije svega onima iz skupine karotenoida, osobito likopenom. Učinkovitost upotrebe nusproizvoda rajčice ovisi o građi probavnog sustava domaćih životinja, dobi i proizvodnoj fazi životinja te kompoziciji obroka i formi ponuđenog nusproizvoda. Analizom dostupne literature o upotrebi nusproizvoda rajčice u hranidbi domaćih životinja može se zaključiti da je u cilju postizanja povoljnih proizvodnih i fizioloških učinaka te sprječavanja njihovog negativnog djelovanja za preporučiti kod nepreživača do 10 ili maksimalno 15 % obroka, a kod preživača i više od 20 %., In the tomato processing, various by-products are produced: pomace, pulp, skin, seeds, but also unused parts of the fruit which should be disposed of in order to reduce the harmful effects on the environment. Tomato pomace is the most abundant by-product produced during tomato processing. The aim of this paper is to show the possibilities of using tomato by-products in the feeding of domestic animals, divided according to the structure of the digestive system, with special reference to recent scientific knowledge, and to propose their optimal levels of use. Tomato by-products have a significant proportion of water and carbohydrates, a smaller amount of proteins and lipids, and are rich in bioactive compounds, primarily those from the group of carotenoids, especially lycopene. The efficiency of using tomato by-products depends on the structure of the digestive system of domestic animals, the age and production stage of the animals, as well as the composition of the diet and the form of offered by-product. Analyzing the available literature on the use of tomato by-products in the feeding of domestic animals, it can be concluded that in order to achieve favorable production and physiological effects and to prevent their negative effects, for non-ruminants up to 10 or a maximum 15% of the diet is recommended, and for ruminants more than 20%.
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- 2023
28. Utjecaj proizvodnje i prerade ovčje vune na okoliš
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Mioč, Boro, Džaja, Ana, Širić, Ivan, Kasap, Ante, Antunović, Zvonko, Jukić Grbavac, Marija, and Držaić, Valentino
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vuna, pranje, otpad, okoliš, nove tehnologije - Abstract
Vuna je u prošlosti bila jedan od najvažnijih i najcjenjenijih ovčjih proizvoda. Zbog svoje je važnosti nerijetko nazivana „bijelim zlatom“. Većinu proizvedene vune (oko 56 %) prerađuje tekstilna industrija čija je sirovina uglavnom vuna vrhunske kvalitete. U posljednjim je desetljećima, zbog izrazite konkurencije sintetičkih vlakana, znatno smanjen interes za vunom, osobito onom grubom, loše kvalitete (koje je u Europi i Hrvatskoj najviše). Uz navedeno, veliki je problem vuneni otpad koji nastaje tijekom striže ovaca i procesa prerade vune. U kategoriju otpadne (neželjene) vune spada i trbušna vuna finorunih pasmina ovaca koje je u runu oko 20 %. Tijekom procesa prerade (grebanje, češljanje, predenje, tkanje i dr.) otpadne od 10 do 15 % vune. Pranjem vune troši se puno energije, rada, vremena te vode koja najčešće završava u okolišu. Sve naglašenija svijest o važnosti očuvanja okoliša i veća potreba za sigurnim i održivim biološkim materijalima pokretač su traženja novih metoda recikliranja vunenog otpada i stvaranja novih proizvoda. Stoga je veliki izazov u budućnosti pronaći gospodarski korisna, tržišno isplativa i ekološki prihvatljiva rješenja za nekvalitetnu vunu i vunski otpad, što će izravno pripomoći uzgajivačima i pridonijeti očuvanju okoliša.
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- 2023
29. Utjecaj klime i klimatskih promjena na proizvodnju domaće šunke
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Samac Danijela, Antunović Zvonko, Steiner Zvonimir, Novoselec Josip, Prakatur Ivana, Klir Šalavardić Željka, Ronta Mario, Novoselec Maja, Kovačić Đurđica
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klimatske promjene, šunka, tradicijska proizvodnja - Abstract
Klima je sustav koji se konstantno mijenja djelovanjem sunčeve i vulkanske aktivnosti te astronomskih parametara, a kroz zadnje stoljeće i povećanjem ljudskih aktivnosti. Upravo ljudska aktivnost je povećala atmosferske koncentracije stakleničkih plinova i uzrokovala porast temperature. Mjerenja pokazuju da je zatopljenje izraženije nad kopnom nego nad morem, odnosno da je jače nad Europom, Sjevernom Amerikom i Azijom, nego nad Australijom, Afrikom i južnom Amerikom. U Republici Hrvatskoj porast temperatura izraženiji je na obali nego u kontinentalnim dijelovima zemlje, ali je taj porast na priobalju izraženiji u toplom dijelu godine, dok je u kopnenim područjima taj porast izraženiji tijekom zimskog perioda. Upravo to povećanje temperatura u zimskom dijelu godine pogađa proizvođače domaće šunke i ostalih suhomesnatih proizvoda u kontinentalnom dijelu zemlje. U tradicionalnoj proizvodnji šunki proizvođači su šunke stavljali na zrenje najčešće u tavanske prostore kuća, gdje je bio zadovoljavajući protok zraka, oslanjajući se na utjecaj prirode tj. klimu toga dijela godine. Promjenom klime, došlo je do već spomenutih povišenih temperatura, koje u fazi zrenja šunki negativno utječu na kvalitet samog proizvoda te je cilj ovoga rada ukazati kako te promjene utječu na dugogodišnju tradicijsku proizvodnju šunki i kako je za budućnost nužno uvođenje promjena u tu proizvodnju.
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- 2023
30. Modificiranje kvalitete suhih slavonskih šunki od crnih slavonskih svinja odabirom završne tjelesne mase i hranidbom
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Senčić Đuro, Samac Danijela, Antunović Zvonko
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slavonska šunka, hranidba, tjelesna masa, crna slavonska svinja - Abstract
Ukupno 40 crnih slavonskih svinja tovljeno je do manjih (oko 130 kg) i većih (oko 180 kg) tjelesnih masa. Svinje su podjeljene u skupine A, B, C i D. Svinje skupina A i B tovljene su do oko 130 kg, svinje skupina C i D do oko 180 kg tjelesne mase. Svaka od skupina svinja držana je u poluotvorenom sustavu i hranjena je zelenom lucernom i krmnim smjesama s višom (14 % i 12 %) i nižom (12 % i 10 %) razinom sirovih proteina.Krmne smjese i lucernu svinje su jele ad libitum. Svinjski butovi su obrađeni i prerađeni na isti način (oblikovanje, soljenje – suho salamurenje 30 dana, hladno dimljenje 60 dana i zrenje 12 mjeseci). Svinje većih tjelesnih masa (oko 180 kg) u odnosu na svinje manjih tjelesnih masa (oko 130 kg) daju teže šunke, s većim stupnjem svjetloće (CIE L*) i crvenila (CIE a*) i manjim stupnjem žutila (CIE b*) mesa, s većim udjelom sirovih masti i soli (NaCl) u mesu te boljim mirisom i čvrstoćom šunki. Svinje hranjene s krmnim smjesama s višom razinom sirovih proteina (14 % i 12 %) u odnosu na svinje hranjene s nižom razinom sirovih proteina (12 % i 10 %) daju šunke s tanjim potkožnim masnim tkivom, s nižom stupnjem svjetloće (CIE L*) i žutila (CIE b*) mesa, s više vode, a manje masti u mesu te boljom čvrstoćom mesa. Završna tjelesna masa i hranidba svinja mogu značajno modificirati neka fizikalna, kemijska i senzorna svojstva šunki od crnih slavonskih svinja.
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- 2023
31. Utjecaj klimatskih promjena na proizvodnju domaće šunke
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Samac Danijela, Antunović Zvonko, Steiner Zvonimir, Novoselec Josip, Prakatur Ivana, Klir Šalavardić Željka, Ronta Mario, Novoselec Maja, Kovačić Đurđica
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klimatske promjene, šunka, tradicijska proizvodnja - Abstract
Klima je sustav koji se konstantno mijenja djelovanjem sunčeve i vulkanske aktivnosti te astronomskih parametara, a kroz zadnje stoljeće i povećanjem ljudskih aktivnosti. Upravo ljudska aktivnost je povećala atmosferske koncentracije stakleničkih plinova i uzrokovala porast temperature. Mjerenja pokazuju da je zatopljenje izraženije nad kopnom nego nad morem, odnosno da je jače nad Europom, Sjevernom Amerikom i Azijom, nego nad Australijom, Afrikom i južnom Amerikom. U Republici Hrvatskoj porast temperatura izraženiji je na obali nego u kontinentalnim dijelovima zemlje, ali je taj porast na priobalju izraženiji u toplom dijelu godine, dok je u kopnenim područjima taj porast izraženiji tijekom zimskog perioda. Upravo to povećanje temperatura u zimskom dijelu godine pogađa proizvođače domaće šunke i ostalih suhomesnatih proizvoda u kontinentalnom dijelu zemlje. U tradicionalnoj proizvodnji šunki proizvođači su šunke stavljali na zrenje najčešće u tavanske prostore kuća, gdje je bio zadovoljavajući protok zraka, oslanjajući se na utjecaj prirode tj. klimu toga dijela godine. Promjenom klime, došlo je do već spomenutih povišenih temperatura, koje u fazi zrenja šunki negativno utječu na kvalitet samog proizvoda te je cilj ovoga rada ukazati kako te promjene utječu na dugogodišnju tradicijsku proizvodnju šunki i kako je za budućnost nužno uvođenje promjena u tu proizvodnju.
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- 2023
32. The Effect of Maternal Dietary Selenium Supplementation on Blood Antioxidant and Metabolic Status of Ewes and Their Lambs
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Novoselec, Josip, primary, Klir Šalavardić, Željka, additional, Đidara, Mislav, additional, Novoselec, Maja, additional, Vuković, Rosemary, additional, Ćavar, Suzana, additional, and Antunović, Zvonko, additional
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- 2022
- Full Text
- View/download PDF
33. Serum biochemical parameters of Alpine goat kids during suckling and post-weaning period
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Klir Šalavardić, Željka, Novoselec, Josip, Đidara, Mislav, Ronta, Mario, Antunović, Zvonko, Majić, Ivana, and Antunović, Zvonko
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goat kids ,biochemical parameters ,serum ,weaning ,growth - Abstract
The aim of the present study was to determine the difference between the biochemical serum parameters of goat kids during suckling and post- weaning period. The study was carried out with 10 French Alpine goat kids aged 32 (±3) days in the suckling period and 87 (±3) days in the post- weaning period. When the goat kids were weaned, the concentrations of total proteins (61.7 vs. 54.3 g/l ; P=0.002), globulins (31.2 vs. 25.4 g/l ; P=0.017) and the activities of AST (107.3 vs. 70.3 U/l ; P=0.003) and GGT (47.5 vs. 36.9 U/l ; P=0.038) in serum increased compared to the values during the suckling period. These changes are a consequence of the normal growth and organ maturation of goat kids during transition from non-functional ruminant during suckling to functional one in post-weaning period.
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- 2022
34. Dobrobit životinja u uzgoju i njezin utjecaj na kupce životinjskih proizvoda
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Samac, Danijela, Jelić Milković, Sanja, Antunović, Zvonko, Steiner, Zvonimir, Novoselec, Josip, Prakatur, Ivana, Klir Šalavardić, Željka, Ronta, Mario, Kovačić, Đurđica, Antunović, Zvonko, and Majić, Ivana
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dobrobit ,životinje ,animalni proizvodi ,potrošaći ,kupci - Abstract
Važnost utjecaja poljoprivredne prakse na dobrobit životinja te njezin povezani utjecaj na javno zdravlje i zdravlje životinja, u novije vrijeme sve je bitniji čimbnik na koji kupci obraćaju pozornost prilikom kupovine proizvoda animalnog podrijetla. Ipak stavovi potrošača prema dobrobiti životinja na farmama nisu ujednačeni, oni podrazumijevaju različite stavove i društvene dimenzije vezane uz etničku pripadnost, poljoprivredno-prehrambenu kulturu, etiku, kupovnu moć i vjerovanja. Stoga je ovaj rad imao za cilj pokazati stavove hrvatskih kupaca, prema tome koliko im je bitan utjecaj dobrobiti životinja u uzgoju prilikom kupovine proizvoda animalnog podrijetla. Za prikupljanje podataka korištena je metoda ankete, a kao instrument korišten je anketni upitnik (n = 100). Ispitivanjem su utvrđene statistički značajne razlike u stavovima ispitanika vezanim za dobrobit životinja prema spolu, obrazovanju i prihodu ispitanika te da su kupci animalnih proizvoda zabrinuti za dobrobit životinja na farmama.
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- 2022
35. Fenotipske odlike lakon ovce u Republici Hrvatskoj
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Antunović, Zvonko, Mioč, Boro, Klir, Željka, Držaić, Valentino, Širić, Ivan, Novoselec, Josip, Majić, Ivana, and Antunović, Zvonko
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lakon ovca ,fenotipske odlike ,tjelesna masa ,tjelesne mjere - Abstract
U Republici Hrvatskoj zadnjih je godina sve veći interes za ovčjim mlijekom i uzgojem mliječnih pasmina ovaca pa tako i za lakon ovcom. Cilj je ovoga rada prikazati fenotipske odlike lakon ovce u uzgojima u Republici Hrvatskoj te ih usporediti s dostupnim istraživanjima. Istraživanje je provedeno na 40 ovaca prosječne dobi 4 odine u trećoj laktaciji. Od fenotipskih odlika utvrđeni su tjelesna masa, tjelesne mjere, indeks tjelesne razvijenosti te je izračunata korelacija između fenotipskih odlika. Prosječna tjelesna masa ovaca bila je 60, 94 kg, visina grebena 68, 05 cm, dužina trupa 78, 49 cm, a indeks tjelesne kondicije 3, 05. Utvrđena je značajna jaka pozitivna korelacija između većine fenotipskih odlika ovaca. Manje odstupanje u fenotipskim odlikama lakon ovaca možemo povezati s procesom prilagodbe, ali i utjecaju hranidbe.
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- 2022
36. Obogaćivanje mlijeka malih preživača selenom
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Antunović, Zvonko, primary, Klir Šalavardić, Željka, additional, Sičaja, Vinko, additional, and Novoselec, Josip, additional
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- 2022
- Full Text
- View/download PDF
37. Utjecaj pogače sjemenki bundeve i ekstrudiranog lana na proizvodne pokazatelje jaradi
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Klir Šalavardić, Željka, Novoselec, Josip, Ronta, Mario, Antunović, Zvonko, Klir Šalavardić, Željka, Novoselec, Josip, Ronta, Mario, and Antunović, Zvonko
- Abstract
Sjemenke uljarica i nusproizvodi proizvodnje ulja kvalitetan su izvor energije i bjelančevina u hranidbi preživača. Stoga je cilj istraživanja bio utvrditi proizvodne pokazatelje jaradi hranjene krmnim smjesama koje sadrže pogaču sjemenki bundeve ili ekstrudirani lan. Istraživanje je provedeno na 31 jaretu pasmine francuska alpina. Nakon navršenih mjesec dana jarad je postupno odbijana od majki, pri čemu se postupno smanjivala hranidba mlijekom i uključivala krmna smjesa i sijeno (djetelinsko-travna smjesa) ad libitum. Jarad je bila hranjena krmnom smjesom koja je od bjelančevinastih krmiva sadržavala sačmu soje i ekstrudiranu soju (kontrolna), zatim krmnom smjesom koja je sadržavala 16 % pogače sjemenki bundeve (PB16) uz potpunu zamjenu soje te krmnom smjesom koja je sadržavala 9 % ekstrudiranog lana (EL 9) uz djelomičnu zamjenu soje. Proizvodni pokazatelji, kao što su prosječni dnevni prirasti i eksterijerne odlike utvrđeni su u dobi jaradi od 32, 60 i 87 dana. Utvrđeni su ukupni prosječni dnevni prirasti jaradi (dobi 32.-87. dana) od 145,64 g u kontrolnoj skupini, 163,77 g u PB16 i 164,21 g u EL 9 skupini, pri čemu nisu utvrđene statistički značajne razlike. Utvrđeno je značajno povećanje visine grebena u PB16 i EL 9 jaradi u dobi od 60 dana te u PB16 jaradi u dobi od 87 dana u odnosu na kontrolnu skupinu, pri čemu nisu bile utvrđene značajne razlike u indeksima tjelesne razvijenosti. Temeljem dobivenih rezultata vidljiva je mogućnost upotrebe pogače sjemenki bundeve i ekstrudiranog lana kao izvora bjelančevina i masti u krmnim smjesama, uz zadovoljavajuće proizvodne pokazatelje jaradi., Oilseeds and by-products of oil production are a good quality source of energy and proteins in ruminants´ nutrition. Therefore, the aim of the present study was to determine the production traits of goat kids fed on feed mixtures containing pumpkin seed cake and extruded linseed. The study was carried out on 31 goat kids of the French Alpine breed. After one month, the kids were gradually weaned from the mothers, by reducing suckling and including feed mixtures and hay (clover-grass mixture) ad libitum. Goat kids were fed on feed mixture containing soybean meal and extruded soybean (control) as protein feedstuffs, then a mixture containing 16% pumpkin seed cake (PB16) with complete soybean replacement, and a mixture containing 9% extruded linseeds (EL 9) with partial replacement of soybean. Production traits of goat kids, such as average weight gain and exterior characteristics, were determined at the age of 32, 60 and 87 days. The estimated total average daily weight gain of goat kids (32-87 days of age) was 145.64 g in control group, 163.77 g in PB16 and 164.21 g in EL 9 group, with no significant differences. A significant increase in withers height was found in PB16 and EL 9 goat kids aged 60 days and in PB16 goat kids aged 87 days compared to the control group, with no significant differences in physical development indices. The results of the present study viewed the possibility of using the pumpkin seed cake and extruded linseed as a source of proteins and fat in feed mixtures, with satisfactory production traits in goat kids.
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- 2022
38. THE CHANGES IN THE BLOOD’S ACID-BASE BALANCE OF THE LACAUNE SHEEP DURING DIFFERENT LACTATION STAGES
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Antunović, Zvonko, Mioč, Boro, Klir Šalavardić, Željka, Širić, Ivan, Držaić, Valentino, Šerić, Vatroslav, Mandić, Sanja, Novoselec, Josip, Antunović, Zvonko, Mioč, Boro, Klir Šalavardić, Željka, Širić, Ivan, Držaić, Valentino, Šerić, Vatroslav, Mandić, Sanja, and Novoselec, Josip
- Abstract
The aim of the present study was to determine the acid-base balance in the blood of the Lacaune sheep during different lactation stages. Thirty lactating Lacaune sheep were involved in the research, and were monitored in the early (day 60), medium (day 120), and late lactation stages (day 180). The following parameters were determined in the blood plasma: pH, partial pressure of carbon dioxide – pCO2, partial pressure of oxygen – pO2, total pressure of carbon dioxide – tCO2, oxygen saturation – sO2, actual base excess Cbase – B, standard base excess Cbase – Ecf and electrolytes (Na+, K+, Ca2+, Cl- and HCO3- – bicarbonate), while total proteins – TP and albumin ALB were determined in the serum. Also, strong ion difference - SID, z value, anion gap - AG, weak anions, and cations - ATOTtp and ATOTalb, strong ion gap - SIG, unmeasured anions – XA and globulin concentrations were calculated. A significant effect of the lactation stage on most of the acid-base parameters in the blood of the Lacaune sheep was determined, except for pCO2, Cl-, z values and the SID. A significant increase of pO2, sO2, ATOTtp, ATOTalb, AG, SIGalb, SIGtp, XA, Na+, total proteins and albumins, as well as the decreased concentrations of K+ and Ca2+, were determined in the blood of the Lacaune sheep during lactation. During the medium stage of lactation, significant changes were determined in most of the acid-base parameters in the blood of the Lacaune sheep when compared to the other stages. A lactation stage may significantly affect the acid-base balance parameters in the blood of the Lacaune sheep, although the calculations of SIG, base excess (BE), and unmeasured anion (XA) values should also be included for the obtainment of a more comprehensive picture of the acid-base balance., Cilj rada bio je utvrditi acidobaznu ravnotežu u krvi lakon ovaca tijekom različitih stadija laktacije. Za istraživanje je odabrano 30 lakon ovaca u laktaciji, koje su praćene u ranome (60. dan), srednjem (120. dan) i kasnom stadiju laktacije (180. dan). U krvnoj plazmi utvrđeni su pH, parcijalni tlak ugljičnoga dioksida (pCO2), parcijalni tlak kisika (pO2), ukupni tlak ugljičnoga dioksida (tCO2), saturacija kisikom (sO2), stvarni i standardni višak baza (Ea i Ecf) i elektroliti (Na+, K+, Ca2+, Cl- i HCO3 - – bikarbonati), a u serumu ukupni proteini (TP) i albumini (ALB). Također su izračunane sljedeće vrijednosti: razlika jakih iona (SID), z-vrijednost, anionski procjep (AG), slabi anioni i kationi (ATOTtp and ATOTalb), jaki ionski procjep (SIG), nemjereni anioni (XA) i koncentracije globulina. Utvrđen je značajan utjecaj stadija laktacije na većinu pokazatelja acidobazne ravnoteže u krvi lakon ovaca, osim sadržaja pCO2, Cl- , z-vrijednosti i SID-a. Utvrđeno je značajno povećanje sadržaja pO2, sO2, ATOTtp, ATOTalb, AG, SIGalb, SIGtp, XA, Na+, ukupnih proteina i albumina te smanjenje koncentracija K+ i Ca2+ u krvi lakon ovaca kako je laktacija odmicala kraju. Tijekom srednjega stadija laktacije utvrđene su značajne promjene većine pokazatelja acidobazne ravnoteže krvi lakon ovce u odnosu na druge stadije. Stadij laktacije može značajno utjecati na pokazatelje acidobazne ravnoteže krvi lakon ovaca te bi za potpuniju sliku pri izradi acidobazne ravnoteže trebalo uključiti i izračun SIG-a, viška baza (BE) i nemjerenih aniona (XA).
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- 2022
39. Hranjiva i energetska vrijednost kukuruzne silaže na mliječnim farmama Istočne Hrvatske
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DOMAĆINOVIĆ, Matija, SOLIĆ, Dragan, PRAKATUR, Ivana, ANTUNOVIĆ, Zvonko, VRANIĆ, Ivica, RONTA, Mario, DOMAĆINOVIĆ, Matija, SOLIĆ, Dragan, PRAKATUR, Ivana, ANTUNOVIĆ, Zvonko, VRANIĆ, Ivica, and RONTA, Mario
- Abstract
Cilj ovog istraživanja je bio utvrditi kvalitetu kukuruzne silaže kao dominantne komponente u hrani mliječnih krava u tri županije Istočne Hrvatske; Brodsko-posavske, Osječko-baranjske i Vukovarsko-srijemske. Praktični dio istraživanja obuhvatio je 25 mliječnih farmi u svakoj Županiji u kojima je uzorkovana i potom analizirana kukuruzna silaža. Praćeni nutritivni, fermentativni i fizički pokazatelji izraženi kao prosječne vrijednosti bili su dobri. Pokazatelji kemijskog sastava: suha tvar (ST)=349 g/kg, sirove bjelančevine=71 g/kg ST, sirovi pepeo=39 g/kg ST, sirova vlakna=186 g/kg ST, kisela deterdžent vlakna=212 g/kg ST, neutralna deterdžent vlakna=393 g/kg ST, kiseli deterdžent lignina=17 g/ kg ST, škrob=325 g/kg ST, energetska vrijednost izražena u neto energiji za laktaciju (NEL, MJ/kg ST)=6,78, prosječna probavljivost organske tvari=75,8% i probavljivost neutralnih deterdžent vlakana=53,7%. Pokazatelji fermentacije silaže uključili su mjerenje prosječne pH vrijednosti koja je iznosila 3,86, koncentraciju mliječne kiseline=56,37 g/kg ST i octenu kiselinu 20,68 g/kg ST. Fizički pokazatelj, određivanje distribucije veličine čestica silaže (sustav tri sita) zabilježio je; sito 1=7,1%; sito 2=56,3%; sito 3=24,8% i kutija na dnu=11,7%. S obzirom na utvrđene statističke značajnosti testiranih razlika prosječnih vrijednosti kod devet pokazatelja hranjive i energetske vrijednosti silaže kukuruza između županija, moguće je potvrditi da je kvaliteta silaže bila bolja u Osječko-baranjskoj i Brodsko-posavskoj županiji u odnosu na Vukovarsko-srijemsku. Na temelju značajnijih odstupanja u minimumu i maksimumu te utvrđivanjem većeg broja nesukladnih uzoraka kod nekih pokazatelja od prosječnih vrijednosti, navodi na zaključak o neujednačenoj kvaliteti silaže kod pojedinih proizvođača., The aim of this study was to determine the quality of corn silage as the dominant component in the diet of dairy cows in three counties of Eastern Croatia; Brod-Posavina, Osijek-Baranja, and Vukovar-Srijem. The practical part of the research included 25 dairy farms in each County in which corn silage was sampled and then analyzed. The monitored nutritional, fermentative, and physical indicators expressed as average values were satisfactory. Indicators of chemical composition: dry matter (DM) = 349 g/kg, crude protein = 71 g/kg DM, crude ash = 39 g/kg DM, crude fiber = 186 g/kg DM, acidic detergent fiber (ADF) = 212 g/kg DM, neutral detergent fiber (NDF) = 393 g/kg DM, acidic detergent lignin (ADL) = 17 g/kg DM, starch = 325 g kg DM, energy value expressed in net energy for lactation (NEL, MJ/kg DM) = 6.78, average digestibility of organic matter (dOM) = 75.8% and digestible neutral detergent fibers (dNDF)= 53.7%. Indicators of silage fermentation included the measurement of an average pH of 3.86, a concentration of lactic acid = 56.37 g/kg DM, and acetic acid of 20.68 g/kg DM. Physical indicator, determination of silage particle size distribution (three sieve system) recorded following values: sieve 1 = 7.1%; sieve 2 = 56.3%; sieve 3 = 24.8% and box at the bottom = 11.7%. Given the established statistical significance of the tested differences in average values for nine indicators of nutritional and energy value of corn silage between counties, it is possible to confirm that the quality of silage was better in OsijekBaranja and Brod-Posavina counties than in Vukovar-Srijem County. Based on significant deviations in the minimum and maximum, and by determining a larger number of non-compliant samples in some indicators than the average values, it leads to the conclusion of uneven quality of silage in some producers.
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- 2022
40. Modifying the Quality of Pig Carcasses, Meat, and Dry Fermented Sausage from Black Slavonian Pigs by Selecting the Final Body Weight and Nutrition
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Samac, Danijela, primary, Senčić, Đuro, additional, Antunović, Zvonko, additional, Novoselec, Josip, additional, Prakatur, Ivana, additional, Steiner, Zvonimir, additional, Klir Šalavardić, Željka, additional, Ronta, Mario, additional, and Kovačić, Đurđica, additional
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- 2022
- Full Text
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41. Blood acid-base balance of heavily pregnant and lactating ewes supplemented with selenium
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Novoselec, Josip, primary, Antunović, Zvonko, additional, Đidara, Mislav, additional, Novoselec, Maja, additional, Steiner, Zvonimir, additional, Ronta, Mario, additional, Šperanda, Marcela, additional, and Klir Šalavardić, Željka, additional
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- 2022
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- View/download PDF
42. Utjecaj različitih genetskih i paragenetskih čimbenika u uzgoju svinja na kvalitetu šunki i pršuta
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Samac, Danijela, primary, Antunović, Zvonko, additional, Kovačić, Đurđica, additional, Ronta, Mario, additional, Klir Šalavardić, Željka, additional, Prakatur, Ivana, additional, Novoselec, Josip, additional, Steiner, Zvonimir, additional, and Senčić, Đuro, additional
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- 2022
- Full Text
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43. Influence of Red Corn Rich in Anthocyanins on Productive Traits, Blood Metabolic Profile, and Antioxidative Status of Fattening Lambs
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Antunović, Zvonko, primary, Novoselec, Josip, additional, Klir Šalavardić, Željka, additional, Steiner, Zvonimir, additional, Šperanda, Marcela, additional, Jakobek Barron, Lidija, additional, Ronta, Mario, additional, and Pavić, Valentina, additional
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- 2022
- Full Text
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44. Influence of lactation stages on haematological and biochemical parameters in blood of Lacaune dairy sheep
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Antunović, Zvonko, Mioč, Boro, Klir Šalavardić, Željka, Širić, Ivan, Držaić, Valentino, Đidara, Mislav, Džaja, Ana, and Novoselec, Josip
- Subjects
Lacaune dairy sheep ,metabolic profile ,lactation ,lactation stage ,adjustment ,lakon ovca ,metabolički profil ,laktacija ,stadij laktacije ,prilagodba - Abstract
The research objective was to determine haematological and biochemical parameters in blood of 30 Lacaune dairy sheep during different stages of lactation (early: 60th, medium: 120th and late: 180th days). The sheep were on average 4 years old, in 3rd lactation. Haematological parameters were determined in whole blood (white blood cell (WBC), red blood cell (RBC), haemoglobin (HGB) concentration, haematocrit (HCT) value, mean corpuscular volume (MCV), mean cell haemoglobin (MCH), mean cell haemoglobin concentration (MCHC) and platelet (PLT) count), and a blood smear was used for determination of differential blood cell count. Determined biochemical parameters in blood serum were: concentration of minerals (Ca, P-inorganic, Mg and Fe), concentration of total proteins (TP), albumin (ALB), globulins (GLOB), urea, glucose (GUK), cholesterol (CHOL), high-density lipoprotein (HDL), low-density lipoprotein (LDL), triglycerides (TGC), beta-hydroxybutyrate (BHB) and non-esterified fatty acids (NEFA), enzyme activities (aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), γ-glutamyl transferase (GGT), creatine kinase (CK), activity of glutathione peroxidase (GPx) and total superoxide dismutase (SOD). With progression of lactation stages, sheep blood tests proved significant increase in WBC, RBC, HGB, HCT, monocytes, Fe, urea, TP, ALB, CHOL, HDL, LDL, BHB, AST, GGT and ALT as well as a decrease in lymphocytes, Mg, GUK and SOD. Determined changes in haematological and biochemical blood parameters of Lacaune dairy sheep during different lactation stages proved good quality nutrition of sheep and indicate the need to include this dairy breed/genotype in prospective schemes for definition of referential values for these indicators in sheep., Cilj je ovoga rada utvrditi hematološke i biokemijske pokazatelje u krvi 30 lakon ovaca tijekom različitih stadija laktacije (rani: 60., srednji: 120. i kasni: 180. dan). Ovce su bile prosječne dobi 4 godine u 3. laktaciji. U punoj krvi su utvrđeni hematološki pokazatelji (broj leukocita: (WBC), eritrocita (RBC), hemoglobin (HGB), hematokrit (HCT), prosječni volumen eritrocita (MCV), prosječni hemoglobin u eritrocitu (MCH), prosječna koncentracija hemoglobina u eritrocitu (MCHC) i trombociti (PLT), a iz krvnih razmaza i diferencijalna krvna slika. Od biokemijskih pokazatelja u serumu utvrđeni su: koncentracije minerala (Ca, P-anorganski, Mg i Fe), ukupnih protein (TP), albumin (ALB), globulina (GLOB), uree, glukoze (GUK), kolesterola (CHOL), HDL-kolesterola (HDL), LDL-kolesterola (LDL), triglicerida (TGC), beta-hidroksibutirata (BHB) i neesterificiranih masnih kiseline (NEFA) te aktivnost enzima (aspartat aminotransferaze (AST), alanin aminotransferazee (ALT), alkalne fosfataze (ALP), γ-glutamil transferaze (GGT), kreatin kinaze (CK), glutation peroksidaze (GPx) i superoksid dismutaze (SOD). Utvrđeno je značajno povećanje WBC, RBC, HGB, HCT, Fe, urea, TP, ALB, CHOL, HDL, LDL, BHB, AST, GGT i ALT kao i smanjenje limfocita, Mg, GUK i SOD u krvi kako je laktacija odmicala. Utvrđene promjene u hematološkim i biokemijskim pokazateljima u krvi lakon ovaca tijekom laktacije ukazuju na kvalitetan obrok kojim su hranjene ovce, ali i potrebu uključivanja pasmine/genotipa osobito mliječnoga predznaka u buduće sheme izrade referentnih vrijednosti za navedene pokazatelje u ovaca.
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- 2022
45. Some blood biochemical parameters of ewes in gestation and lactation
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Novoselec, Josip, Šalavardić Klir, Željka, Ronta, Mario, Steiner, Zvonimir, Samac, Danijela, Novoselec, Maja, Đidara, Mislav, and Antunović, Zvonko
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biochemical parameters ,ewes ,gestation ,lactation - Abstract
The study aimed to assess metabolic demands during late gestation and lactation by variation of some biochemical blood parameters. The research was conducted on 10 Merinolandschaf late gestation and lactation ewe kept on the farm. Most of the investigated indicators were in the reference range, except for a slight deviation in the concentration of urea, triglycerides, albumin, and LDL which can be related to intensive metabolic process, energy demands of the fetal-placental unit in gestation, and early lactation ewes, as well as the ration rich in protein. A significantly increased concentration of glucose and triglyceride in lactating compared to highly pregnant ewes is expected given the early lactation and lactation curve of ewes.
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- 2022
46. THE EFFECTS OF A DIFFERENTLY PREPARED NATURAL ZEOLITE CLINOPTILOLITE ON WEANED PIGLETS
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ŠPERANDA, Marcela, ŠPERANDA, Tomislav, ĐIDARA, Mislav, ANTUNOVIĆ, Zvonko, and RASTIJA, Vesna
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- 2008
47. CHANGES OF THE BOTANICAL COMPOSITION AND MINERAL CONCENTRATIONS (P, CA, F, ZN, CU) IN THE ABOVE GROUND BIOMASS OF THE PASTURE AND THEIR INFLUENCE ON THE EWES´ BLOOD CHARACTERISTICS
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ANTUNOVIĆ, Zvonko, ANTUNOVIĆ, Manda, ŠPERANDA, Marcela, and NOVOSELEC, Josip
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- 2008
48. Utjecaj redoslijeda janjenja na porodnu masu i prirast ja njadi travničke pramenke
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Držaić, Valentino, Širić, Ivan, Kasap, Ante, Novoselec, Josip, Šalavardić Klir, Željka, Antunović, Zvonko, Mioč, Boro, Rozman, Vlatka, and Antunović, Zvonko
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travnička pramenka ,redoslijed janjenja ,porodna masa ,prirast - Abstract
Cilj predmetnog istraživanja bio je utvrditi utjecaj redoslijeda janjenja (1.-5.) na porodnu masu i prirast janjadi travničke pramenke. Istraživanje je provedeno na 94 janjeta oba spola odbitih u prosječnoj dobi od oko 70 dana. Prosječna porodna masa, masa pri odbiću, ukupni prirast i prosječni dnevni prirast bili su redom 4, 49 kg, 20, 64 kg, 16, 07 kg i 225, 76 g. Svi istraživani pokazatelji rasta janjadi povećavali su se s rednim brojem janjenja njihovih majki (od prvog do četvrtog) iako razlike u utvrđenim prosjecima nisu bile statistički značajne(P>0.05).
- Published
- 2021
49. Aktivnost enzima i koncentracija hormona štitaste žlijezde u krvi ovaca i janjadi
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Antunović, Zvonko, Šalavardić Klir, Željka, Novoselec, Josip, Rozman, Vlatka, and Antunović Zvonko
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ovce ,janjad ,aktivnost enzima ,hormoni štitaste žlijezde ,krv - Abstract
Cilj istraživanja bio je utvrditi aktivnosti enzima i koncentracije hormona štitaste žlijezde u krvi ovaca i janjadi te ih usporediti s fiziološkim vrijednostima za ovce i s rezultatima dosadašnjih istraživanja. Istraživanje je provedeno na 10 ovaca u laktaciji i 10 janjadi Merinolandschaf pasmine u tovu. Utvrđeno je povećanje aktivnosti ALP u krvi janjadi koje su iznad referentnih vrijednosti, te nešto viša aktivnost CK u krvi janjadi u odnosu na ovce što ukazuje na intenzivan metabolizam usmjeren na rast i razvoj. Koncentracije hormona štitaste žlijezde ukazuju na dobru energetsku opskrbu, a njihove varijacije u usporedbi s drugim istraživanjima mogu se povezati s različitim uvjetima držanja, reprodukcijskim statusom, lokacijom i metodama određivanja.
- Published
- 2021
50. Influence of reproductive status on hematological parameters of ewes
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Novoselec, Josip, Klir Šalavardić, Željka, Steiner, Zvonimr, Ronta, Mario, Antunović, Zvonko, Rozman, Vlatka, and Antunović, Zvonko
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food and beverages ,ewe ,reproduction status ,hematological parameters ,blood - Abstract
Aim of this research was to determine the hematological parameters of highly pregnant and lactating ewes and compare them with reference values. The research was conducted on 10 Merinolandschaf ewe in high pregnancy and lactation. All hematological parameters were within the reference values, except a slight deviation of HCT and MCV which can be a sign of dehydration or a higher number of circulating RBC`s in pregnancy and regeneration responses. A significant increase in monocytes in lactating ewes can be associated with environmental stress and high nutritional requirements due to milk production.
- Published
- 2021
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