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

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Effects of Woori Black Pig Sire on Growth Performance, Body Shape, and Retail Cut Yield of Crossbred Pigs

우리흑돈 종모돈이 삼원교잡종 돼지의 성장, 체형 및 부분육 생산수율에 미치는 영향

  • Choi, Yo Han (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Min, Ye Jin (Swine Science Division, National Institute of Animal Science, Rural Development Administration) ;
  • Jung, Hyun Jung (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) ;
  • 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) ;
  • Kim, Young Sin (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)
  • 최요한 (농촌진흥청 국립축산과학원 양돈과) ;
  • 민예진 (농촌진흥청 국립축산과학원 양돈과) ;
  • 정현정 (농촌진흥청 국립축산과학원 양돈과) ;
  • 정용대 (농촌진흥청 국립축산과학원 양돈과) ;
  • 김정아 (농촌진흥청 국립축산과학원 양돈과) ;
  • 조은석 (농촌진흥청 국립축산과학원 양돈과) ;
  • 김영신 (농촌진흥청 국립축산과학원 양돈과) ;
  • 홍준기 (농촌진흥청 국립축산과학원 양돈과)
  • Received : 2020.06.12
  • Accepted : 2020.09.04
  • Published : 2020.09.30
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Abstract

To improve the relatively low economic efficiency of the Korean native pig, the Korean National Institute of Animal Science developed a novel pig breed, the Woori black pig (W), by crossing Korean native and Duroc (D) pigs. This study was conducted to evaluate the effects of W as a terminal sire on growth performance, body shape, and retail cut yield of crossbred pigs. By using a completely randomized design, 32 crossbred pigs were allotted to one of two treatment groups based on terminal sire. The two groups were LYD [(Landrace × Yorkshire) × D sire] and LYW [(Landrace × Yorkshire) × W sire]. The experimental assessments were conducted over 53 days. The terminal sire breed had no significant effect on body weight (BW) at d 53, or on BW gain, average daily gain, or days to reach a 90 kg body weight. Moreover, there were no significant differences in body length, body height, or chest depth between the two groups. However, there was a significant difference (p < 0.05) in backfat thickness between the LYD (17.29 mm) and LYW (18.96 mm) groups. Loin yield of crossbred pigs in the LYW group (13.11%) was significantly lower (p < 0.05) than that in the LYD group (13.85%). By contrast, the Boston butt yield was significantly higher (p < 0.05) in the LYW group (8.99%) than in the LYD group (8.21%). In conclusion, these results suggest crossbred pigs sired by a Woori black pig had growth performance, shape, and retail cut yield (except loin yield) Ed. Note: I assume the lower loin yield is a negative factor so I included this wording. similar to those sired by a Duroc pig. The results showed no overall negative effect Ed. Note: I assume the lower loin yield is a negative factor so I used this wording. on crossbred offspring, indicating the suitability of the Woori black pig as a terminal sire.

우리흑돈(Woori black pig, W)은 재래흑돼지와 두록(Duroc, D)을 이용하여 재래흑돼지의 낮은 경제적 특성을 개선시키기 위해 국립축산과학원에서 개발한 신품종이다. 따라서 본 연구는 교배 종료종모돈으로써 우리흑돈이 삼원교잡종의 성장, 체형 및 부분육 생산수율에 미치는 영향을 평가하기 위해 수행되었다. 총 32두의 삼원교잡종을 교배 종료 종모돈에 기반하여 2처리구로 완전임의 배치하였다. 교배 종료종모돈으로 두록과 우리흑돈에 기반한 2개의 다른 삼원교잡종은 LYD[(Landrace×Yorkshire)×Duroc]와 LYW[(Landrace×Yorkshire)×Woori black pig]이였다. 본 연구는 시험 개시 후 53일 동안 수행되었다. 우리흑돈과 두록 종모돈은 삼원교잡종의 53일 체중, 총증체량, 일당증체량 및 90 kg 체중 도달일령에 영향을 미치지 않았다. 체장, 체고 및 흉심에 차이가 발견되지 않았으나, 등지방두께에서 LYD(17.29 mm)와 LYW(18.96 mm) 간의 유의적인 차이가 있었다(p<0.05). LYW 삼원교잡종의 등심수율(13.11%)이 LYD(13.85%)에 비해 유의적으로 낮게 나타났다(p<0.05). LYW의 목심 수율(8.99%)은 LYD(8.21%)에 비해 유의적으로 높게 나타났다(p<0.05). 본 연구결과, 우리흑돈은 삼원교잡종의 사양성적, 체형 및 생산수율에 부정적인 영향을 미치지 않으며, 교배 종료종모돈으로 사용할 수 있을 것으로 사료된다.

Keywords

References

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