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Relationship between rib fat thickness and carcass price among different carcass weight groups in Korean native cattle

Author

Listed:
  • Eunjeong Jeon

    (Department of Animal Science, Michigan State University, East Lansing, Michigan, USA)

  • Sangbuem Cho

    (Department of Animal Science, Jeonbuk National University, Jeonju, Republic of Korea)

  • Myungsun Park

    (Hanwoo Research Institute, National Institute of Animal Science, Pyeongchang, Republic of Korea)

  • Sung-Il Ahn

    (Department of Food Regulatory Science, Korea University, Sejong, Republic of Korea)

  • Junior Isaac Celestin Poaty Ditengou

    (Department of Animal Science, Jeonbuk National University, Jeonju, Republic of Korea)

  • Kim Ki-Beom

    (Korea Institute for Animal Products Quality Evaluation, Sejong, Republic of Korea)

  • Sung-Sub Shin

    (Korea Institute for Animal Products Quality Evaluation, Sejong, Republic of Korea)

  • Nag-Jin Choi

    (Department of Animal Science, Jeonbuk National University, Jeonju, Republic of Korea)

Abstract

The study assessed the relationship between rib fat thickness and carcass price among different carcass weight groups in Korean native cattle (Hanwoo), taking into account changes in the beef grading system. Data from 8 926 Hanwoo steers, with an average age of 30.6 ± 1.88 months and slaughtered between 2017 and 2019, were analysed. The variables considered included rib fat thickness, carcass weight, eye muscle area, marbling score, and carcass price. Steers were categorised into eight carcass weight groups ranging from 250 kg to 650 kg in the original system, rib fat thickness consistently had a negative impact on carcass price, with partial coefficients of rib fat thickness on carcass price ranging from -1.96 to -46.5 depending on the carcass weight groups. Conversely, in the revised system, the impact of rib fat thickness varied from negative to positive, turning positive at the 450 kg carcass weight group. These findings may guide decision-making in beef cattle production and feeding strategies under the revised grading system.

Suggested Citation

  • Eunjeong Jeon & Sangbuem Cho & Myungsun Park & Sung-Il Ahn & Junior Isaac Celestin Poaty Ditengou & Kim Ki-Beom & Sung-Sub Shin & Nag-Jin Choi, 2024. "Relationship between rib fat thickness and carcass price among different carcass weight groups in Korean native cattle," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 69(6), pages 211-218.
    • Handle: RePEc:caa:jnlcjs:v:69:y:2024:i:6:id:57-2024-cjas
    DOI: 10.17221/57/2024-CJAS
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