Journal of Animal Science and Technology

  • 제45권5호
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  • Pages.841-846
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  • 2003
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  • 2672-0191(pISSN)
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  • 2055-0391(eISSN)
한국축산학회 (Korean Society of Animal Sciences and Technology)
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품종이 Porcine Stress Syndrome 돼지 출현비율 및 육질에 미치는 영향

Influence of Genetic Background on Porcine Stress Syndrome Incidence and Pork Quality Attributes

  • Kim, D.H. (National Livestock Research Institute) ;
  • Kim, T.H. (National Livestock Research Institute) ;
  • Lee, Y.C. (National Livestock Research Institute) ;
  • Lee, J.R. (Gyeongnam Province Advanced Swine Research Institute) ;
  • Choi, J.S . (National Livestock Research Institute) ;
  • Lee, M. (Department of Animal Science & Technology Seoul National University)
  • 발행 : 2003.10.31
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초록

Halothane 검정에 의한 L(Landrace) 및 Lw (Largewhite)의 halothane 양성돈 출현율은 각각 5.8, 6.6 %로 두 품종간에 큰 차이가 없었으며 음성과 양성돈의 중간반응을 나타내는 의양성돈은 20.5 %의 출현율을 보인 L과 Lw의 13.2 %에 비해 높았으나 음성돈 출현율은 L 및 Lw가 각각 76.1, 80.1 %로 Lw가 약간 높았다. hal-gene 분석결과는 L품종만이 hetro형이 출현하였을 뿐 전 조사 품종에서 halothane 양성돈은 나타나지 않았다. 품종별 pH1은 KNP (Korean Native Pig)가 L, Lw 및 H(Hybrid)에 비해 약간 높았으나 통계적 유의성은 없었다. pHu는 KNP와 H가 Lw 및 L에 비해 유의 (p〈0.05)하게 높았으나 KNP와 H품종사이에는 유의적인 차이가 없었다. NPPC 기준 육색은 L이 Lw 및 KNP에 비해 유의적(p〈0.05)으로 낮았고 H와는 유의차가 없었으며 CIE L*값 또한 같은 경향을 보여 L품종이 다른 품종보다 색깔이 창백한 고기를 생산할 기능성이 큰 것으로 사료되었다. 보수성은 재래종인 KNP가 H에 비해 유의적으로(p〈0.05)으로 높았으며 개량종인 Lw, L 및 H에서는 유의적인 차이가 없었다.

Landrace(L), Largewhite(Lw), Korean Native Pig(KNP) and commercial hybrid were experimented to determine holothane sensitivity, RYR gene mutation and quality profiles. In the results of halothane test, the incidence of halothane positive pigs was similar between L and Lw. But, the rate of dubious halothane positive type was higher in L than Lw. In hal-gene analysis, halothane-positive pigs(nn) were not found in any tested breed and heterotype(Nn) appeared only in one pig of L. Of the breed effect on the quality profiles, there were no differences in pH$_1$(pH at 1hr postslaughter), but pH$_{u}$(pH at 24hr postslaughter) was significantly higher in commercial hybrid and KNP than other breeds(p〈0.05). Color assessed by National Pork Producers Council(NPPC) and CIE L$^{*}$ was significantly paler in L breed than other breeds(p〈0.05). Significant differences were found in water holding capacity(WHC) and cooking loss in KNP(p〈0.05).

키워드

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