Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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Effects of the Mating System on Retail Cut Yield and Meat Quality in Commercial Pigs

비육돈의 교배조합이 부분육 생산수율 및 육질에 미치는 영향

  • Kim, H.S. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Yang, H.S. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Lee, J.I. (Advanced Swine Research Institute, Gyeongnam Province) ;
  • Joo, S.T. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Jeon, J.T. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Lee, Jung-Gyu (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University)
  • Published : 2007.06.30
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Abstract

This study was conducted to investigate the effect of the mating system on the retail cut yield and meat quality in pigs. A total of 210 samples were used to estimate meat productivity and meat quality two blocks of two boarlines Duroc (D) and Berkshire (B) were mated to sows of the sowlines Yorkshire×Landrace (YL) and Berkshire (B). Results showed that YLD (YL♀×D♂) and BD (B♀×D♂) had higher percentages of Boston butt and belly than YLB while it has higher percentages of lean meat yield than YLB (YL♀×B♂). There were no significant differences in crude protein and ash content of pork from different breeds (P>0.05). However, YLB and YLD had higher moisture content in loin and Boston butt than BD (P<0.05). The pH of BD was highest in pork loin and belly (P<0.05). There differences in meat yield, pH and moisture content among the genotypes suggested that pork quality might be affected by the lightness and cooking loss. BD was lowest lightness value (CIE L*) and cooking loss in pork loin among the genotypes (P<0.05). The percentage of saturated palmitic acid (C16:0) in Boston butt (P<0.05) of BD had significant lower, while the percentage of unsaturated palmitoleic (C16:1) and oleic acid (C18:1) had higher in pork loin and belly (P<0.05). Drip and marbling score were found significantly different in genotypes and BD had lower drip and higher marbling score in pork loin and belly (P<0.05). The sensory evaluations indicated that the highest overall acceptability in BD was attained. From the results, BD breed had highest meat quality among crossbred pigs.

비육돈 생산에 있어 교배조합이 부분육수율과 육질에 미치는 영향에 대해 알아보고자 (주)가야육종의 계통돈을 이용하여 생산된 York- shireLandrace (F1) 모돈에 종료웅돈으로 (주)가야육종이 보유하고 있는 계통돈인 Duroc종(YLD), 경남첨단양돈연구소의 5세대까지 계통돈으로 조성한 American Berkshire 종(YLB), American Berkshire (♀) 종에 (주)가야육종의 Duroc (♂)을 교배하여 생산 및 선발한 BD (F1)을 이용하였다. 부분육의 경우 YLD 및 BD이 YLB에 비해 높은 삼겹살, 목심 수율을 나타내었고, 전체 정육의 수율도 높았다(P<0.05). 육질 측정 결과, 조단백 및 회분은 교배조합별 차이를 보이지 않으나, 등심과 목심의 수분 함량 결과 YLB와 YLD에 비해 BD에서 낮은 값을 나타내었다(P<0.05). 조지방 함량은 목심에서 YLB와 YLD에 비해 BD에서 높게 나타났다(P<0.05). pH의 경우 YLB, YLD에 비해 BD에서 높은 값을 보이며, 가열감량 및 육색 측정 결과 BD에서 낮은 가열감량 및 명도(L*)값을 보였다(P<0.05). 지방산 분석 결과, 등심의 경우 BD가 유의적으로 높은 myristic acid 및 oleic acid값을 나타냈으며, stearic acid는 BD에 비해 YLB와 YLD가 유의적으로 높은 값을 나타내었다(P< 0.05). 그 결과 YLD와 YLB에 비해 BD 품종에서 불포화지방산 함량이 높게 나타났다. 목심의 경우 YLD와 YLB에 비해 BD 품종에서 낮은 palmitic acid 및 linonenic acid 값을 나타내었다. 또한 삼겹살의 경우 BD 품종에서 myristic acid 및 palmitic acid는 높게 나타났으며, palmitoleic acid 및 stearic acid는 낮은 값을 나타내었다(P<0.05). 관능평가 결과에서도 YLD와 YLB 품종에 비해 BD에서 육즙삼출, 마블링 및 전체적인 기호도에 있어서 높은 점수를 획득하였다.

Keywords

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