한국동물생명공학회지 (Journal of Animal Reproduction and Biotechnology)

  • 제39권3호
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  • Pages.164-168
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  • 2024
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  • 2671-4639(pISSN)
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  • 2671-4663(eISSN)
한국동물생명공학회 (The Korean Society of Animal Reproduction and Biotechnology)
권호 표지
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Effect of birth and slaughter seasons on Hanwoo carcass characteristics

  • Won-Young Lee (Department of Livestock, Korea National University of Agriculture and Fisheries) ;
  • Jin-Ki Park (Department of Livestock, Korea National University of Agriculture and Fisheries) ;
  • Kwanghyun Cho (Department of Livestock, Korea National University of Agriculture and Fisheries) ;
  • Joon-Mo Yeo (Department of Livestock, Korea National University of Agriculture and Fisheries) ;
  • Dong-Wook Kim (Department of Livestock, Korea National University of Agriculture and Fisheries) ;
  • Hyun-Jung Park (Department of Animal Biotechnology, College of Life Science, Sangji University)
  • 투고 : 2024.07.03
  • 심사 : 2024.07.23
  • 발행 : 2024.09.30
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초록

Background: The climate of Korean peninsula is characterized by four distinct seasons. In recent years, global warming has accelerated, and summers in Korea are typically hot and humid. However, the precise extent of climatic damage caused in Hanwoo farming has not yet been reported, by long raise periods. This study was conducted to investigate the effects of birth and slaughter season on economical carcass characteristics in Hanwoo cattle. Methods: Hanwoo steer carcass data was collected from the Korean Institute for Animal Products Quality Evaluation database for 2021-2022. Hanwoo birth and slaughter season was classified as spring (March-May), summer (June-August), fall (September-November), and winter (December-February). Results: The carcass mass and loin area were significantly higher in winter- and spring-born Hanwoo than in summer- and fall-born cattle. However, back fat thickness was significantly higher in winter- and spring-slaughtered steers than in summer-slaughtered cattle. In addition, the marbling score was highest in summer-slaughtered steers, but meat yield grade differed between Hanwoo steers of different ages. Conclusions: Out results indicate that carcass mass and loin area were correlated with birth season, whereas back fat thickness and marbling score were related with slaughter season. These results will contribute to improving meat production quality in the Hanwoo industry.

키워드

과제정보

This study was supported by the Cooperative Research Program, Rural Development Administration, Republic of Korea (grant number PJ01494505). This study was supported by the Sangji University Research Fund. 2022.

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