Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Comparision of carcass characteristics, meat quality, and fatty acid profiles between Duroc and corssbred pigs (Duroc × Korean native pig)

두록과 교잡돈(두록×재래돼지)의 도체 및 육질 특성과 지방산 조성 비교

  • Kim, Doo-Wan (National Institute of Animal Science, Rural Development Administration) ;
  • Kim, Ki-Hyun (National Institute of Animal Science, Rural Development Administration) ;
  • Hong, Joon-Ki (National Institute of Animal Science, Rural Development Administration) ;
  • Cho, Kyu-Ho (National Institute of Animal Science, Rural Development Administration) ;
  • Sa, Soo-Jin (National Institute of Animal Science, Rural Development Administration) ;
  • Kim, Young-Min (National Institute of Animal Science, Rural Development Administration) ;
  • Park, Jun-Cheol (National Institute of Animal Science, Rural Development Administration) ;
  • Seol, Kuk-Hwan (National Institute of Animal Science, Rural Development Administration)
  • 김두완 (농촌진흥청 국립축산과학원) ;
  • 김기현 (농촌진흥청 국립축산과학원) ;
  • 홍준기 (농촌진흥청 국립축산과학원) ;
  • 조규호 (농촌진흥청 국립축산과학원) ;
  • 사수진 (농촌진흥청 국립축산과학원) ;
  • 김용민 (농촌진흥청 국립축산과학원) ;
  • 박준철 (농촌진흥청 국립축산과학원) ;
  • 설국환 (농촌진흥청 국립축산과학원)
  • Received : 2014.10.01
  • Accepted : 2014.11.11
  • Published : 2014.12.31
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Abstract

This study was conducted to develop new crossbred pig using Korean native pig and Duroc. Fifteen pigs of pure Duroc (D) and 26 crossbred gilts (15 of DK1 and 11 of DK2) were reared until $195{\pm}5$ days old, then slaughtered at local slaughterhouse. Pork loin was gathered and vacuum packed from left carcass after 24 h of slaughter to analyze meat quality traits, such as color, pH, water holding capacity (WHC), cooking loss and shear force (SF), and free fatty acid composition. Live weight and carcass weight of Duroc and DK1 were $119.1{\pm}8.7/82.91{\pm}6.1kg$ and $116.3{\pm}6.3/80.91{\pm}4.4kg$, respectively, and it was significantly higher than those of DK2 ($104.7{\pm}8.4/71.36{\pm}5.7kg$) (p<0.05).There was no significant difference in proximate composition between animal groups, however DK2 showed significantly lower shear force (SF) and higher water holding capacity (WHC) than other groups (p<0.05). The redness of DK2 also showed significantly higher than Duroc (p<0.05), however there was no significant difference in lightness and yellowness (p>0.05). DK1 showed the highest monounsaturated fatty acids (MUFAs) contents of $51.45{\pm}2.0%$ and DK2 showed the highest polyunsaturated fatty acids (PUFAs) contents of $8.98{\pm}1.4%$, however there was no significantly difference in PUFA/SFA ratio between pig groups (p>0.05). Duroc and DK2 contain significantly higher amount of linoleic ($7.99{\pm}1.2$ and $8.11{\pm}1.3%$, respectively) and linolenic acid ($0.43{\pm}0.1$ and $0.44{\pm}0.1%$, respectively) than DK1, and DK1 contains significantly higher amount of oleic acid ($47.32{\pm}1.8%$) than others (p<0.05).

본 연구는 우리나라 재래돼지의 고유 특성을 살린 우수한 품종을 개발하기 위하여 수행하였으며, 도체특성은 DK1이, 육질특성과 지방산조성은 DK2가 두록과 비교하여 차이가 없거나 우수한 것으로 나타나 재래돼지를 활용한 우수한 육질의 돼지 품종 개발이 가능할 것으로 사료된다.

Keywords

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