Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Comparison of Meat Quality Characteristics of Two Different Three-way Crossbred Pigs (Landrace × Yorkshire × Duroc and Landrace × Yorkshire × Woori black pig)

두 가지 삼원교잡종 (랜드레이스 × 요크셔 × 두록 및 랜드레이스 × 요크셔 × 우리흑돈)의 육질특성 비교

  • Kim, Jeong A (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Cho, Eun Seok (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Lee, Mi-Jin (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Jeong, Yong Dae (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Choi, Yo Han (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Cho, Kyu Ho (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Chung, Hak Jae (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Baek, Sun Young (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Kim, Young Sin (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Sa, Soo Jin (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Hong, Jun Ki (Swine Science Division, National Institute of Animal Science, Rural Development Administration)
  • 김정아 (농촌진흥청 국립축산과학원 양돈과) ;
  • 조은석 (농촌진흥청 국립축산과학원 양돈과) ;
  • 이미진 (농촌진흥청 국립축산과학원 양돈과) ;
  • 정용대 (농촌진흥청 국립축산과학원 양돈과) ;
  • 최요한 (농촌진흥청 국립축산과학원 양돈과) ;
  • 조규호 (농촌진흥청 국립축산과학원 양돈과) ;
  • 정학재 (농촌진흥청 국립축산과학원 양돈과) ;
  • 백선영 (농촌진흥청 국립축산과학원 양돈과) ;
  • 김영신 (농촌진흥청 국립축산과학원 양돈과) ;
  • 사수진 (농촌진흥청 국립축산과학원 양돈과) ;
  • 홍준기 (농촌진흥청 국립축산과학원 양돈과)
  • Received : 2019.08.13
  • Accepted : 2019.10.04
  • Published : 2019.10.31
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Abstract

This study was undertaken to investigate whether the local Woori black pigs could replace Duroc as the terminal sire in order to reduce foreign currency outgoings. This study compared the physicochemical properties of pork loins in two cultivars of three-way crossbred pigs: Landrace ${\times}$ Yorkshire ${\times}$ Duroc (LYD) and Landrace ${\times}$ Yorkshire ${\times}$ Woori black pig (LYW). A total of 119 pigs (59 LYD and 60 LYW) aged 180 days were used in the experiment. After 24 hours of cooling, pork loins were assessed for their physicochemical traits, meat color, fatty acid and sensory evaluation. The moisture content and water holding capacity showed no significant difference between the two cultivars. Fat content and cooking loss were significantly higher in LYW than in LYD (p<0.05), whereas shear force and pH were significantly lower in LYW than LYD (p<0.05). Redness ($a^*$), yellowness ($b^*$), and stearic acid (C18: 0) content were also significantly higher in LYW than in LYD (p<0.05). Sensory evaluation revealed significantly higher meat color and flavor in LYW than LYD (p<0.05). Taken together, these results indicate that certain physicochemical qualities are improved in the LYW cultivar, as compared to LYD. Therefore, Woori black pig (W) has the potential to be substituted for Duroc, a breeding pig used currently.

본 연구는 외화 낭비를 줄이기 위해 우리흑돈이 종료종모돈으로써 두록을 대체할 수 있는지 조사하고자 하였다. 본 논문에서는 랜드레이스 ${\times}$ 요크셔 ${\times}$ 두록(LYD)과 랜드레이스 ${\times}$ 요크셔 ${\times}$ 우리흑돈(LYW)의 두 삼원교잡종에서 등심의 육질 특성을 비교하기 위해 이화학적 분석을 실시하였다. 공시 동물은 180일령의 LYD 59두와 LYW 60두, 총 119두를 이용하였으며, 도축 후 24시간 동안 냉각시키고, 돈육에 대한 이화학적 분석, 육색, 지방산 조성 및 관능평가를 실시하였다. 일반 성분 결과 수분 및 보수력은 두 품종간의 유의한 차이를 나타내지 않았다. 지방 함량 및 가열감량은 LYW에서 LYD에 비해 유의적으로 높게 나타났고(p<0.05), 전단력 및 pH는 LYW가 LYD보다 유의적으로 낮게 나타났다(p<0.05). 육색지수를 확인한 결과 적색도($a^*$) 및 황색도($b^*$)가 LYW에서 유의적으로 높게 나타났다(p<0.05). 두 품종의 지방산 함량을 비교한 결과 Stearic acid(C18:0)가 LYD에 비해 LYW에서 유의적으로 높게 나타났다(p<0.05). 관능검사 결과 LYW가 LYD에 비해 육색과 풍미가 유의적으로 높게 나타났다(p<0.05). 이러한 결과는 LYD와 비교하여 LYW에서 특정 화학적 특징이 개선되었음을 나타낸다. 따라서 우리흑돈이 수입 종돈인 두록의 대체 종돈으로 사용 가능할 것으로 사료된다.

Keywords

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