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Effect of Cubed Roughage Supplementation and Red Clay Levels on Growth Performance, Meat Quality and Economic Benefits in Korean Native Cattle

양질 조사료의 보충과 황토의 첨가수준이 한우의 성장성적, 육질 등급 및 경제성에 미치는 영향

  • Jin, Y.H. (School of Agricultural Biotechnology Graduate School, Seoul National University) ;
  • Jin, M.G. (School of Agricultural Biotechnology Graduate School, Seoul National University) ;
  • Hong, J.S. (School of Agricultural Biotechnology Graduate School, Seoul National University) ;
  • Lee, H.G. (School of Agricultural Biotechnology Graduate School, Seoul National University) ;
  • Lee, B.K. (Agribrands Purina Korea) ;
  • Kim, J.S. (National Livestock Research Institute) ;
  • Choi, Y.J. (School of Agricultural Biotechnology Graduate School, Seoul National University)
  • 김윤학 (서울대학교 농업생명과학대학 농생명공학부) ;
  • 김명국 (서울대학교 농업생명과학대학 농생명공학부) ;
  • 홍중산 (서울대학교 농업생명과학대학 농생명공학부) ;
  • 이홍구 (서울대학교 농업생명과학대학 농생명공학부) ;
  • 이보균 ((주)애그리브랜드 퓨리나 코리아) ;
  • 김준식 (축산기술연구소) ;
  • 최윤재 (서울대학교 농업생명과학대학 농생명공학부)
  • Published : 2002.02.28

Abstract

This study was conducted to estimate the effects of high quality cubed roughage and red clay (0%, 1%, 2%) on growth performance, meat quality and economical benefits. Thirty-six 6 month-old Korean native cattle, averaging 156kg of BW, were assigned to six groups in a 2 (rice straw : RT, rice straw+cubed roughage : RCT) ${\times}$ 3 (0, 1, 2% red clay). During experimental period, the high quality cubed roughage added into rice straw treatment (RCT) was superior to the only rice straw treatment (RT) on daily gain and feed efficiency and final weight 10%, 6.8%, 8.2% (P$<$0.05) respectively. But the addition of red clay did not affect and even 2% addition decreased those parameters. For meat quality and economical analysis, the addition of high quality cubed roughage made an outstanding result and for RT treatment, only 1% red clay indicated good effects while both 1% and 2% red clay were better than 0% for RCT treatment. From these results, it is assumed that the addition of red clay for fattening Korean native cattle has no effects on growth performance but 1% treatment has good results on improving meat quality and economical benefits. It also suggests that the combination high quality roughage and concentrated red clay is beneficial for producing high quality meat in with economical benefits.

Keywords

Red clay;Cubed roughage;Economical benefits;Korean native cattle

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