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This study was carried out to determine the most suitable mixing ratios to obtain a high quality silage from sunflower and sugar beet plants. As the silage material in the study, Sunflower crops in the dough stage (whole plant) and sugar beets (whole plant, including leaves and roots) were used. The sunflower crops (S) and sugar beet plants (SB) were ensiled as 5 replicates in 1-liter glass jars by slicing and mixing based on weight as 100%S and 0%SB, 85%S and 15%SB, 55%S and 45%SB. The jars were opened for analyses at the end of 70 days of incubation. In the 100%S and 0%SB, 85%S and 15%SB, 55%S and 45%SB groups, the silage dry matter (DM, %) values were 24.97, 26.29 and 28.72; pH values were 4.39, 4.34 and 4.41; ammonia nitrogen (NH3-N, mg.dl-1) values were 5.59, 3.65 and 4.34; lactic acid (LA, %) values were 2.41, 1.91 and 2.16; Fleig scores were good, very good and very good; organic matter digestibility (OMD, %) values were 54.60, 51.34 and 49.42; metabolic energy (ME, Mcal.kg-1) values were 1.97, 1.87 ve 1.79; net energy lactation (NEL, Mcal.kg-1) values were 1.22, 1.14 and 1.09, respectively. Considering the nutrient content, fermentation quality, in-vitro digestibility and energy content parameters of the silages prepared in the study, it was concluded that qualified silages could be obtained from not only pure sunflower crops but also the mixture of sunflower crops and sugar beets, without needing any supplements. However, a decrease in OMD and energy contents was observed in the group with 45% sugar beet plant added. [ABSTRACT FROM AUTHOR]

This study was conducted to determine the silage quality, in vitro digestibility and energy content of forage turnip (Brassica rapa) ensiled with molasses or ground barley. Forage turnip was harvested at three different stages: the beginning, middle and end of the flowering period, and it was ensiled with no additive (control), 5% molasses or 4% ground barley. In the trial, pH, nutrient contents, ammonia nitrogen (NH3-N) contents, volatile fatty acid (VFA) contents, Fleig scores, in vitro digestibility and energy content were determined. It was observed that the effect of the vegetative stage on the difference between the groups was significant (p < 0.05). Accordingly, with the progression of the vegetative stage, the contents of dry matter (DM), organic matter (OM), ether extract (EE), neutral detergent fiber (NDF) and acid detergent fiber (ADF) showed an increase while a decrease was observed in crude protein (CP). The effects of the additives on the difference between the groups were found to be significant except for the CP parameter (p < 0.05). Molasses and barley addition to the silages increased DM, OM and EE contents and reduced the levels of NDF and ADF. With the progression of the vegetative stage, lactic acid (LA) and acetic acid (AA) values decreased while pH values and Fleig scores increased. The effects of additives were found to be insignificant for all parameters except for AA and Fleig scores. As the vegetative stage progressed, the dry matter digestibility (DMD), organic matter digestibility (OMD), digestible energy (DE), metabolic energy (ME) and net energy for lactation (NEL) values of the silages decreased significantly (p < 0.05). The addition of molasses or barley, compared to the control, resulted in a significant increase in the levels of DMD, OMD, DE, ME, and NEL (p < 0.05). In conclusion, in parallel with the progression of the vegetative stage, the DMD, OMD, DE, ME, and NEL values of the silages decreased, increasing with the addition of the additives, and the obtained silages were of high-quality as alternative quality roughage in ruminant feeding. [ABSTRACT FROM AUTHOR]