Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Effect of Yukmijihwangtang meal silage on the performance of hanwoo steers

육미지황탕박을 이용한 TMR의 급여가 한우의 생산성에 미치는 영향

  • Cha, Sang-Woo (Daejeon Agricultural Technology center) ;
  • Oh, Hyun-Min (Dept. of Animal Science and Biotechnology, Chungnam National University) ;
  • Park, No-Sung (Dept. of Animal Science and Biotechnology, Chungnam National University) ;
  • Cho, Chi-Hyun (Dept. of Animal Science and Biotechnology, Chungnam National University) ;
  • Lee, Bong-Duk (Dept. of Animal Science and Biotechnology, Chungnam National University) ;
  • Lee, Hyung-Seok (Woosong Information College) ;
  • Lee, Soo-Kee (Dept. of Animal Science and Biotechnology, Chungnam National University)
  • 차상우 (대전시 농업기술센터) ;
  • 오현민 (충남대학교 동물자원생명과학과) ;
  • 박노성 (충남대학교 동물자원생명과학과) ;
  • 조치현 (충남대학교 동물자원생명과학과) ;
  • 이봉덕 (충남대학교 동물자원생명과학과) ;
  • 이형석 (우송정보대학) ;
  • 이수기 (충남대학교 동물자원생명과학과)
  • Received : 2011.04.20
  • Accepted : 2011.06.20
  • Published : 2011.06.30
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Abstract

This experiment was conducted to investigate the effect of feeding TMR with or without Yukmijihwangtang meal silage on the growth performance, meat yield and quality of Hanwoo steers. Sixteen male Hanwoo steers in the late fattening period were randomly assigned to a control diet and Yukmijihwangtang meal diet, with eight heads per treatment. The supplementation of Yukmijihwangtang meal silage did not affect the feed conversion rate, ribeye area, and meat yield index of cold carcass of Hanwoo. Fat thickness of Hanwoo s loin obtained from silage supplementation was significantly lower than that of non-supplemented. Total grade in meat yield of Hanwoo from silage supplementation were higher than that of non-supplemented control. The supplementation of Yukmijihwangtang meal silage to Hanwoo decreased the marbling score significantly, but did not affect fat color, firmness, and maturity. Total grade of meat quality of Hanwoo with Yukmijihwangtang meal supplementation was lower than that of non-supplemented control. In conclusion, Yukmijihwangtang meal could be used as partial substitution (10%) in TMR for fattening cattle. However, it is considered that Yukmijihwangtang meal can be a useful feed for the periods of growing or early fattening than that of late fattening since it improved meat yield but decreased meat quality grade of Hanwoo steers.

Keywords

References

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