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Articles by Tarkan Sahin
Total Records ( 2 ) for Tarkan Sahin
  Ismail Kaya , Yucel Unal and Tarkan Sahin
  In this study, the effects of certain additives put into grass silage on the both nutrient contents and pH value of silage and digestibility and rumen parameters on rams were examined. Grass silage and grass silage mixed with silage additives of 4% crushed barley, 2% molasses and 1% salt were placed into plastic barrels and their Dry Matter (DM), Organic Matter (OM), ash, Crude Protein (CP), Crude Fiber (CF) and Ether Extract (EE) contents were examined. In addition, silage digestibilities of DM, OM and CP and the effects of silages on ruminal pH, ammonia N and volatile fatty acid contents were also determined. While, DM and ash contents of silage were increased, CP content and ruminal pH were decreased in the silage prepared with silage additives. DM and OM digestibilities have been determined to be significantly higher (p<0.05) in additive silage, as compared to that of the grass silage. CP digestibility has not been changed in both experimental groups. Ruminal pH and isovaleric acid value of the silage prepared with additives were decreased, but propionic acid value was increased (p<0.05). There were no differences on the values of rumen ammonia N, acetic acid, butiric acid and valeric acid. In conclusion, silage additives positively affected the digestibility and rumen fermentation products.
  Murat Sedat BARAN , Ramazan DEMIREL , Dilek SENTURK DEMIREL , Tarkan SAHIN and Derya YESILBAG
  It is very important to know the feeding value and metabolizable energy content of feedstuffs for balancing animal diets. Feeding value and energy content of animal feeds change according to maturity stage, soil conditions, fertilization, climate, processing methods, etc. There are no adequate tables that show the basic feeding values of feedstuffs grown in different regions of Turkey; therefore, the present study analyzed 8 different feedstuffs and 56 dairy and beef cattle mixed feeds to determine their feeding value and energy content. Additionally, the possibility of using these feedstuffs for ruminant nutrition is discussed. Crude protein content of the dairy cattle mixed feeds and cotton seed values were lower than standard values. This finding is very important for animal feeding in the region.
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