Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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Effects of Dietary Mugwort Powder on Carcass and Meat Quality Characteristics of Gilt and Barrow in Growing-Finishing Period

인진쑥 급여가 성별에 따른 육성－비육기 돈육의 도체 및 육질특성에 미치는 영향

  • Kim, Il-Suk (Dept. of Animal Resources Technology, Jinju National University) ;
  • Jin, Sang-Keun (Dept. of Animal Resources Technology, Jinju National University) ;
  • Song, Young-Min (Dept. of Animal Resources Technology, Jinju National University) ;
  • Kim, Chul-Wook (Dept. of Animal Resources Technology, Jinju National University) ;
  • Jo, Kwang-Keun (Dept. of Animal Resources Technology, Jinju National University) ;
  • Chung, Ki-Hwa (Dept. of Animal Resources Technology, Jinju National University) ;
  • Kang, Suk-Nam (Dept. of Animal Resources Technology, Jinju National University)
  • 김일석 (진주산업대학교 동물소재공학과) ;
  • 진상근 (진주산업대학교 동물소재공학과) ;
  • 송영민 (진주산업대학교 동물소재공학과) ;
  • 김철욱 (진주산업대학교 동물소재공학과) ;
  • 조광근 (진주산업대학교 동물소재공학과) ;
  • 정기화 (진주산업대학교 동물소재공학과) ;
  • 강석남 (진주산업대학교 동물소재공학과)
  • Published : 2008.12.31
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Abstract

This study was conducted to determine the effect of mugwort powder on carcass characteristics, proximate composition, cholesterol contents, and meat qualities in growing-finishing gilt and barrow(LY×D). Totally 80 pigs (40 gilts and 40 barrows, approximately 50kg each) with 10 pigs per treatment were randomly alloted. The diet group was prepared as 0(C), 0.5(T1), 1.0(T2), and 1.5%(T3) mugwort powder in basal diet, respectively. They were fed experimental diets for 90 days before slaughtered. Carcass weight was increased by dietary mugwort powder(p<0.05), whereas changes in back fat thickness and meat grade were unaffected by dietary supplements. Meat moisture, fat, ash, and cholesterol were not differ significantly in the samples, however, protein in T2 and T3 were significantly higher than the control (p<0.05). Meat pH48, water holding capacity, and cooking loss were not differ significantly in the samples (p>0.05), and shear force of fresh meat and fat were not differ significantly in the samples(p>0.05). Lightness(L*) of meat was increased but that of fat was decreased by dietary mugwort powder, whereas changes in redness(a*) and yellowness(b*) were unaffected by dietary supplements.

본 연구에서는 인진쑥의 건조 분말을 육성기－비육기의 거세돈 및 암퇘지(LY×D)의 평균체중이 50.37kg일 때부터 출하시까지 90일간 처리하였을 때 도체특성, 일반성분, 콜레스테롤 함량, 육질특성에 미치는 영향을 조사하기 위해 실시하였다. 일반사료에 인진쑥 분말을 급여사료 기준으로 C(0%), T1(0.5%), T2(1.0%), T3(1.5%) 처리하였다. 도체중의 경우 T2 및 T3의 증체량이 대조구보다 유의적으로 높게 나타났으나(p<0.05), 등지방 두께 및 도체 등급의 유의적인 차이가 없었다. 수분, 지방, 회분, 콜레스테롤 함량은 시험구간의 유의적인 차이가 나타나지 않았으나(p>0.05), T2 및 T3의 단백질 함량이 대조구보다 유의적으로 높은 값을 나타내었다(p<0.05). pH, WHC, 가열감량신선육 및 지방의 전단가의 유의적인 차이가 나타나지 않았다(p>0.05). 육색 및 지방의 백색도(CIE L*)는 T2 및 T3가 유의적으로 높게 나타났으나(p<0.01), 육색 및 지방의 적색도(CIE a*) 및 황색도(CIE b*)가 유의적인 차이가 나타나지 않았으며(p>0.05), 전단가의 유의적인 차이가 나타나지 않았다(p>0.05).

Keywords

References

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