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43 results on '"Alves, S.P."'

24. Effects of dietary inclusion of citrus pulp and rockrose soft stems and leaves on lamb meat quality and fatty acid composition

Author

Francisco, A., primary, Alves, S.P., additional, Portugal, P.V., additional, Dentinho, M.T., additional, Jerónimo, E., additional, Sengo, S., additional, Almeida, J., additional, Bressan, M.C., additional, Pires, V.M.R., additional, Alfaia, C.M., additional, Prates, J.A.M., additional, Bessa, R.J.B., additional, and Santos-Silva, J., additional

Published
2018
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25. Evaluation of the effects of different diets on microbiome diversity and fatty acid composition of rumen liquor in dairy goat

Author

Cremonesi, P., primary, Conte, G., additional, Severgnini, M., additional, Turri, F., additional, Monni, A., additional, Capra, E., additional, Rapetti, L., additional, Colombini, S., additional, Chessa, S., additional, Battelli, G., additional, Alves, S.P., additional, Mele, M., additional, and Castiglioni, B., additional

Published
2018
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27. Beef palatability and its relationship with protein degradation and muscle fibre type profile in longissimus thoracis in Alentejana breed from divergent growth pathways

Author

Costa, P., primary, Simões, J.A., additional, Alves, S.P., additional, Lemos, J.P.C., additional, Alfaia, C.M., additional, Lopes, P.A., additional, Prates, J.A.M., additional, Hocquette, J.F., additional, Calkins, C.R., additional, Vleck, V., additional, and Bessa, R.J.B., additional

Published
2017
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30. Growth performance, carcass and meat quality of lambs supplemented with increasing levels of a tanniferous bush (Cistus ladanifer L.) and vegetable oils

Author

Francisco, A., primary, Dentinho, M.T., additional, Alves, S.P., additional, Portugal, P.V., additional, Fernandes, F., additional, Sengo, S., additional, Jerónimo, E., additional, Oliveira, M.A., additional, Costa, P., additional, Sequeira, A., additional, Bessa, R.J.B., additional, and Santos-Silva, J., additional

Published
2015
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31. Improving the lipid nutritive value of poultry meat through the incorporation of a dehydrated leguminous-based forage in the diet for broiler chicks

Author

Ponte, Patricia, Prates, J.A.M, Crespo, J.P., Crespo, D.G., Mourão, José Luís, Alves, S.P, Bessa, J.B., Chaveiro-Soares, M.A., Ferreira, L.M.A., and Fontes, C.M.A.

Subjects
Leguminous-based forage, animal structures, Fatty acid profile, Broiler, food and beverages, Meat quality
Abstract

Dehydrated forages are assumed to be good sources of α-linolenic acid (ALA) and lipid-soluble antioxidant compounds (vitamin E homologs and β-carotene). The effects of including a dehydrated leguminous-based forage in a typical diet for broiler chicken, on performance, meat quality, and fatty acid composition were evaluated. One hundred sixty 1-d-old male commercial broiler chicks (Ross 308) were housed in 20 battery brooders. During the 28-d growth period, the animals were fed ad libitum with a typical maize-soybean high-energy feed having access or not to a dehydrated leguminous-based forage provided in a separate feeder. The results revealed that dehydrated forage intake (which was 11.1% of the total intake) had no impact in broiler performance (P > 0.05). The capacity of ingested forage to modulate broiler meat fatty acid profile and the meat content in total cholesterol, tocopherols, tocotrienols, and β-carotene was investigated in broiler chicks slaughtered at d 28. Dehydrated forage consumption had no effect on the lipid-soluble antioxidant compounds and cholesterol contents of broiler meat but had a significant effect on meat fatty acid profile. Although forage intake did not affect the linoleic acid and ALA contents in poultry meat, the levels of n-3 long-chain polyunsaturated fatty acids [eicosapentaenoic (P = 0.004), docosapentaenoic (P = 0.010), and docosahexaenoic (P = 0.007)] in breast meat were significantly higher in animals consuming leguminous biomass, which suggest a higher conversion of ALA into its derivatives in these birds. Overall, the data confirms that incorporation of a dehydrated leguminous-based forage in the diet for broiler chicks results in more favorable polyunsaturated fatty acids/saturated fatty acids and n-6/n-3 nutritional ratios for animals slaughtered at earlier stages of grow.

Published
2008

32. Restricting the intake of a cereal-based feed in free range pastured poultry: effects on performance and meat quality

Author

Ponte, Patricia, Prates, J.A.M., Crespo, J.P., Crespo, D.G., Mourão, José Luís, Alves, S.P., Bessa, J.B., Chaveiro-Soares, M.A., Ferreira, L.M.A., and Fontes, Carlos

Subjects
Pasture intake, Feed restriction, Fatty acid profile, Broiler performance, food and beverages
Abstract

Pastures are assumed to be good sources of α-linolenic acid (ALA) and other bioactive compounds. In this study, we evaluated the effects of restricting the intake of a cereal-based feed on the consumption of a legume-based pasture, and consequently on poultry performance and meat quality. Broilers of the RedBro Cou Nu × RedBro M genotype were fed a cereal-based feed at different intake restriction levels (100, 75, or 50% of ad libitum intake) in portable floorless pens located on a subterranean clover (Trifolium subterraneum) pasture. Control birds were maintained at the same site in identical pens but had no access to pasture. The results revealed that, although the growth rate achieved was below the levels expected for the genotype, restriction of cereal-based feed intake had a significant impact on broiler weight gain and feed conversion while leading to an increase in relative leguminous pasture intake (from 1.6 to 4.9% of the total intake, on a DM basis). In addition, bird performance was positively influenced by pasture consumption. The capacity of ingested pasture to modulate carcass characteristics, broiler meat fatty acid profiles, and the meat content of total cholesterol, tocopherols, and to-cotrienols was investigated in broiler chickens slaughtered on d 64. Pasture intake decreased carcass yield (P < 0.05) and meat pH (P < 0.001) and improved breast skin pigmentation (P < 0.001). Consumption of the leguminous pasture had a marginal effect in the vitamin E profiles and cholesterol contents of broiler meat (P < 0.05), although it significantly affected the meat fatty acid profile. Although pasture intake did not influence the linoleic acid content of poultry meat, the levels of n-3 polyunsaturated fatty acids in breast meat [ALA (P < 0.001), eicosapentaenoic acid (P < 0.001), docosapentaenoic acid (P < 0.001), and docosahexaenoic acid (P < 0.001)] were significantly greater in birds consuming the leguminous biomass. Overall, the data suggest an important deposition of ALA and some conversion of ALA to its derivatives in pastured broilers subjected to a restriction of cereal-based feed.

Published
2008

33. Characterization of collagen and fatty acid composition of 'Carne Mirandesa-PDO' veal

Author

Galvão, Lurdes, Moreira, Olga, Bessa, Rui, Alves, S.P., Sousa, Fernando Ruivo de, Ribeiro, José Ramalho, and Alves, Virgílio

Subjects
PDO meat, Mirandesa, Muscles, Collagen, Fatty acids
Abstract

The objective of this study was to evaluate chemical parameters related to meat quality, contributing to a better characterization of “Carne Mirandesa-PDO” veal. This study was made in three farms, from the Northeast region of Portugal (PG, FA1 and FA2), where calves were raised permanently indoors, nurse from their dams overnight, and fed with hay and concentrate made with local ingredients and soybean meal. Twenty five calves were slaughtered at 7 months old. Twenty four hours after slaughter, samples were collected from four different muscles: longissimus dorsi (LD), semimembranosus (SM), gluteus biceps femoris (GB) and triceps brachii caput longum (TBL), vacuum packaged and freeze-dried. Determinations of crude protein (CP), ether extract (EE), collagen and fatty acid were made. Collagen, CP and EE were significantly (p

Published
2006

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