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Effect of Potato By-products Based Silage on Growth Performance, Carcass Characteristics and Fatty Acid Composition of Carcass Fats in Holstein Steers

Pen, B.    (Department of Animal Science, Obihiro University of Agriculture and Veterinary Medicine   ); Oyabu, T.    (Department of Animal Science, Obihiro University of Agriculture and Veterinary Medicine   ); Hidaka, S.    (Department of Animal Science, Obihiro University of Agriculture and Veterinary Medicine   ); Hidari, H.    (Department of Animal Science, Obihiro University of Agriculture and Veterinary Medicine  );
  • 초록

    Ten 18.5-month old Holstein steers were allocated into two diet groups of five and fed either concentrates as control group or potato by-products based silage (PBS) as experimental group for six months to investigate the effect of PBS on growth performance, carcass characteristics and fatty acid composition of carcass fats. The PBS diet consisted, in a DM basis, of 74.5% PBS, 16% hay, and 9.5% soybean milk residue (SMR). The control diet consisted, in a DM basis, of 82.5% concentrates and 17.5% hay. There were no significant differences in the overall average daily gain (ADG), dry matter intake (DMI), feed efficiency, yield score and meat quality score of dressed carcass between the two diet groups. There were no statistical differences in DM, crude protein (CP), and ether extract (EE) of beef and melting point of all adipose tissues from steers fed both diets. The PBS-fed steers tended to have lower Warner Bratzler shear (WBS) values than in the concentrate-fed steers (13.0 vs. 17.7 lb, p


  • 주제어

    Potato By-products .   Steer .   Growth .   Carcass Characteristics .   Fatty Acids.  

  • 참고문헌 (21)

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