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Effects of High Protein Diet Containing Barley on Growth Performance and Carcass Characteristics in Finishing Pigs

보리함유 고단백질 사료의 급여가 비육돈의 생산성 및 도체특성에 미치는 영향

  • Shin, Seung-Oh (Department of Aninmal Resource & Science, Dankook University) ;
  • Yoo, Jong-Sang (Department of Aninmal Resource & Science, Dankook University) ;
  • Lee, Jea-Hyun (Department of Aninmal Resource & Science, Dankook University) ;
  • Jang, Hae-Dong (Department of Aninmal Resource & Science, Dankook University) ;
  • Kim, Hyo-Jin (Department of Aninmal Resource & Science, Dankook University) ;
  • Chen, Ying-Jie (Department of Aninmal Resource & Science, Dankook University) ;
  • Cho, Jin-Ho (Department of Aninmal Resource & Science, Dankook University) ;
  • Kim, In-Ho (Department of Aninmal Resource & Science, Dankook University)
  • 신승오 (단국대학교 동물자원학과) ;
  • 유종상 (단국대학교 동물자원학과) ;
  • 이제현 (단국대학교 동물자원학과) ;
  • 장해동 (단국대학교 동물자원학과) ;
  • 김효진 (단국대학교 동물자원학과) ;
  • 진영걸 (단국대학교 동물자원학과) ;
  • 조진호 (단국대학교 동물자원학과) ;
  • 김인호 (단국대학교 동물자원학과)
  • Published : 2008.08.30

Abstract

This study was conducted to evaluate the effects of a high protein diet containing barley on the growth performance and carcass characteristics of finishing pigs. A total of fifty six [(Landrace${\times}$Yorkshire${\times}$Duroc)] pigs (85.08 kg in average initial body weight) were used for a 6-week study. Dietary treatments included 1) Basal diet (CON) and 2) High protein diet with barley 5% (HB5). During the entire test periods, there were no significant differences in Average daily gain (ADG), Average daily feed intake (ADFI) and gain/feed ratio between treatments (p>0.05). The b value of M. logissimus dorsi muscle color was significantly increased in CON fed pigs compared to pigs fed the HB5 diet (p<0.05). The water holding capacity (WHC) was higher in HB5 than CON fed pigs (p<0.05). Also, drip loss was significantly decreased in HB5 compared to CON fed pigs (p<0.05). Backfat thickness, live weight, cold carcass weight, dressing, and carcass grade were not significantly affected by either treatment (p>0.05). In conclusion, the results of this study indicate that a high protein diet with 5% barley affects meat color, WHC and drip loss in finishing pigs.

본 연구는 보리함유 고단백질 사료의 급여가 비육돈의 생산성 및 도체특성에 미치는 영향에 대하여 알아보기 위해 시험을 실시하였다. 3원 교잡종[(Landrace${\times}$Yorkshire)${\times}$Duroc]의 비육돈 56두를 공시하였으며, 시험 개시 시 체중이 85.08 kg이었고, 6주간 사양시험온 실시하였다. 시험설계는 1) CON(기초사료) 및 2) HB5(5% 보리함유 고단백질 사료)로 2개 처리를 하여 처리 당 7반복, 반복 당 4두씩 완전임의 배치하였다. 전체 사양시험 기간 동안의 체중, 일당증체량, 일당사료섭취량 및 사료효율은 처리구간에 유의적인 차이가 없었으며(p>0.05), 육색에 있어서 황색도를 나타내는 b값은 대조구가 HB5처리구와 비교하여 유의적으로 높았다(p<0.05). 보수력은 HB5처리구가 대조구와 비교하여 유의적으로 높았고(p<0.05), 육즙감량은 3일, 5일 및 7일에서 HB5처리구가 대조구와 비교하여 유의적으로 낮은 감량을 나타내었다(p<0.05). 등지방두께, 생시체중, 도체중, 지육율 및 도체등급은 처리구간에 유의적인 차이가 없었다(p>0.05). 결론적으로, 본 시험의 결과 비육돈에 보리함유 고단백질 사료의 급여는 육색, 보수력 및 육즙감량에 영향을 미치는 것으로 사료된다.

Keywords

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