Journal of Animal Breeding and Genomics (J Anim Breed Genom)
Chanbin Lee, Kyung tae Min, Seung jae Lee, Hosung Lee, Jakyeom Seo, Myunghoo Kim and Byeong-Woo Kim*
Department of Animal Science, College of Natural Resources and Life Science · Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea
Correspondence to Byeong-Woo Kim, E-mail: kimbw@pusan.ac.kr
Volume 7, Number 3, Pages 75-83, September 2023.
Journal of Animal Breeding and Genomics 2023, 7(3), 75-83. https://doi.org/10.12972/jabng.20230009
Received on 07 July, 2023, Revised on 21 September, 2023, Accepted on 22 September, 2023, Published on 30 September, 2023.
Copyright © 2023 Korean Society of Animal Breeding and Genetics.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0).
In this study, Data were the carcass grade on each 53,829 head of hanwoo steers slaughtered 3 years before (2017, 2018, 2019), 32,910 head of hanwoo steers slaughtered after (2020, 2021, 2022) COVID-19 at Yeongnam region and 54,369 head of hanwoo steers slaughtered same period at except for Yeongnam region. To find out the contribution of carcass traits to auction price and total price were analyzed through regression coefficients by using multiple regression analysis. As environmental factors affecting these carcass traits, slaughter year and slaughter season were set and analyzed through the least square method. The results of slaughter year showed that the grade of carcass traits in Yeongnam region increased over the years. In addition, in the slaughter season, the grade of carcass traits in the fall was found to be excellent. According to the contribution analysis, the results of the contribution ratio to auction price of before and after COVID-19 in Yeongnam region and after COVID-19 in all regions except Yeongnam were the same in order of marbling score, backfat thickness, eye muscle area, carcass weight. Also, the contribution ratio to total price were the same in order of carcass weight, marbling score, backfat thickness, eye muscle area. The general carcass grade is intended to use and analyze data from Yeongnam region, which has excellent backfat thickness and carcass weight, also has the largest number of elite cows selected through the verification work of elite cow by Korea Animal Improvement Association, and use it as a means for strategies to increase farm’s income and advance to high quality about Korean beef.
auction price, carcass traits, Hanwoo, total price
본 연구는 부산대학교 기본연구지원사업(2년)에 의하여 연구되었음.
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