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

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Growth, Body shape and Carcass cutting yield traits of Duroc and Crossbred(Duroc×Pietrain×Pietrain)pigs

두록과 교잡돈(두록×피어트레인×피어트레인)의 성장, 체형형질 및 도체 부분육 생산량 비교

  • Kim, Young Sin (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Kim, JeongA (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, Eun Seok (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) ;
  • Sa, Soo Jin (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Beak, Sun Young (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Hong, Joon Ki (Swine Science Division, National Institute of Animal Science, Rural Development Administration)
  • 김영신 (농촌진흥청 국립축산과학원 양돈과) ;
  • 김정아 (농촌진흥청 국립축산과학원 양돈과) ;
  • 정용대 (농촌진흥청 국립축산과학원 양돈과) ;
  • 최요한 (농촌진흥청 국립축산과학원 양돈과) ;
  • 조은석 (농촌진흥청 국립축산과학원 양돈과) ;
  • 정학재 (농촌진흥청 국립축산과학원 양돈과) ;
  • 사수진 (농촌진흥청 국립축산과학원 양돈과) ;
  • 백선영 (농촌진흥청 국립축산과학원 양돈과) ;
  • 홍준기 (농촌진흥청 국립축산과학원 양돈과)
  • Received : 2020.05.26
  • Accepted : 2020.07.03
  • Published : 2020.07.31
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Abstract

This study was undertaken to evaluate the growth, body shape and carcass cutting yield traits of Duroc (D) and crossbred (Duroc×Pietrain×Pietrain; DPP) pigs. A total of 147 D and 101 DPP pigs were used for analyzing the growth trait, whereas 16 D and 16 DPP pigs were evaluated for carcass yields. Backfat thickness (BF) and average daily feed intake (ADFI) were significantly higher in D (14.07±0.24 mm, 2,101 g) than in DPP (12.69±3.25 mm, 1,909 g) (p <0.001). Moreover, D exhibited significantly higher body shape traits including body height (BH), chest depth (CD) and chest width (CW), as compared to DPP pigs (p <0.001). No differences were observed for body length (BL) between the two strains. Analysis of the carcass cutting yield traits determined for D and DPP were in the order: ham (HM; 31.17% and 33.43%), belly (BY; 23.40% and 19.55%), and picnic shoulder (PS; 16.54% and 16.87%), respectively. Then, HM showed a difference of 2.26% P with D(31.17%) and DPP(33.43%), while BY showed a difference of 3.85% P with D(23.40%) and DPP(19.55%). Taken together, our results indicate that DPP has a better feed efficiency than D, and therefore has the potential to increase the production of low-fat pork, targeting consumers having a high preference who have opted for a healthy lifestyle. These results can be used as basic data for developing an ideal pig breed.

본 실험은 국내와 유럽에서 비육돈 생산 시 종료웅돈으로 이용되는 품종과 이를 활용한 교잡돈의 성장, 체형형질 및 도체 부분육 생산량을 알아보기 위해 수행하였다. 본 실험을 위해 산육형질 분석은 D(Duroc) 147두, DPP(Duroc×Pietrain×Pietrain) 101두, 도체 부분육 생산량 분석은 D, DPP 각각 16두를 사용하였다. 실험결과 등지방두께는 DPP는 12.69±3.25 mm, D는 14.07±0.24 mm로 높은 유의적 차이를 보였고, 일일사료섭취량은 DPP는 1,909 g, D는 2,101 g으로 조사되었다(p<0.001). 체고, 흉심, 흉폭은 D가 DPP에 비해 높은 유의적 차이를 보였지만(p<0.001), 체장은 비슷하게 조사되었다. D의 도체 부분육 생산량 비중은 후지, 삽겹살, 전지 순서였고, 각각 31.17, 23.40 및 16.54%를 차지하였으며, DPP의 도체 부분육 생산량 비중은 각각 33.43, 19.55 및 16.87%를 차지하였다. 부위별 도체 부분육 생산량 비율 차이를 살펴보면, 후지는 DPP 33.43%, D 31.17%로 2.26% P 차이를 보인 반면, 삼겹살은 D 23.40%, DPP 19.55% 로 3.85% P 차이를 보였다. 따라서 DPP는 D 보다 사료효율이 우수하고, 최근 건강을 생각하는 소비자들의 선호도가 높은 저지방 부위의 생산 증대 효과를 기대할 수 있다고 판단된다. 이러한 각각 품종의 특성은 우수한 품종개발에 기초자료로써 활용 될 수 있을 것으로 사료된다.

Keywords

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