Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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Carcass Yields and Meat Quality by Live Weight of Korean Native Black Pigs

재래돼지의 출하체중별 도체수율 및 육질특성

  • Cho, S.H. (National Institute of Animal Science, RDA) ;
  • Park, B.Y. (National Institute of Animal Science, RDA) ;
  • Kim, J.H. (National Institute of Animal Science, RDA) ;
  • Kim, M.J. (National Institute of Animal Science, RDA) ;
  • Seong, P.N. (National Institute of Animal Science, RDA) ;
  • Kim, Y.J. (Pyongchang Youngwyul Jungsun Nonghyup) ;
  • Kim, D.H. (National Institute of Animal Science, RDA) ;
  • Ahn, C.N. (National Institute of Animal Science, RDA)
  • Published : 2007.08.31
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Abstract

A total of 127 Korean native black pigs(gilt 30, boar 97) were used to investigate the carcass properties, yields of retail cut and meat quality. The average live weight, chilled carcass percentage and retail cut percentage used in this study were 74.69kg, 71.14% and 61.09% for boar, and 75.5kg, 73.88% and 56.25% for gilt, respectively. Although gilts were higher in live weight and chilled carcass percentage whereas lower in retail cut percentage when compared to boars, there was no significantly difference between gender(p<0.05). Gilts had higher fat contents than boars regardless of weight range groups. Protein contents increased as slaughter weight increased for gilt and boar groups. Gilts contained high intramuscular fat contents had significantly lower Warner-Bratzler shear force(WBS) and water holding capacity(WHC) when compared to boar in the same weight range group(p<0.05). There was no significantly different in meat color(p>0.05) although gilts had higher L(lightness), a(redness) and b(yellowness) values when compared to the same group of boar. From the result of this study can be used for the grading guideline and quality evaluation standard of Korean native black pigs by gender and live weight.

본 연구는 총 127두(암퇘지 30두, 수퇘지 97두) 재래돼지의 출하체중별 도체특성, 부분육 생산율 및 육질특성을 조사하였다. 본 연구에 이용된 재래돼지의 평균 출하체중, 도체율 및 거래정육율은 수컷이 각각 74.69kg, 71.14% 및 61.09%이었고 암컷은 75.5kg, 73.88% 및 56.25 %이었다. 결과적으로 암퇘지가 수퇘지에 비하여 생체중 및 도체율이 약간 높게 나타난 반면에 거래정육율은 수퇘지가 암퇘지와 비교하여 약간 높은 경향을 나타냈으나 성별 그룹간에 유의적인 차이는 없는 것으로 나타났다(p>0.05). 재래돼지의 일반성분 특성에서 암퇘지 그룹이 수퇘지 그룹보다 높은 지방 함량을 보였으며, 수퇘지에서는 출하체중에 관계없이 지방 함량이 낮은 경향을 나타냈다. 또한 단백질 함량은 출하체중이 증가할수록 암퇘지 및 수퇘지 모두 증가하는 경향을 보였다. 근내지방 함량이 높은 암퇘지의 경우 동일한 체중그룹에 속하는 수퇘지와 비교하여 전단력이 낮고 보수력이 높은 경향으로 나타났다. 육색에서 암퇘지가 수퇘지와 비교하여 전반적으로 L값(명도), a값(적색도), 및 b값(황색도)이 모두 높은 경향을 나타냈으나 유의적인 차이는 황색도에서만 암퇘지가 더 높은 것으로 나타났다(p<0.05). 따라서 본 연구결과는 재래돼지의 출하체중과 성별에 따른 적절한 품질인증기준을 설정하는데 중요한 자료로 사용될 수 있을 것으로 생각된다.

Keywords

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