Genomic-based animal management in the early- and late-finishing system of Hanwoo cattle
In the Korean cattle feedlot industry, profitability is largely dependent on the carcass value at slaughter, which is influenced by genetic and environmental factors, including finishing time and feeding strategies. This study evaluated the predictive potential of genomic information for four econom...
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| Language: | English |
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Elsevier
2025-06-01
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| Series: | Animal |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1751731125001090 |
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| author | J.W. Shin Y. Chung S.Y. Maeng S.H. Lee Y. Choi E. Hong J. Lee E. Cho K.Y. Chung D. Yoon S.H. Lee J.H. Lee |
| author_facet | J.W. Shin Y. Chung S.Y. Maeng S.H. Lee Y. Choi E. Hong J. Lee E. Cho K.Y. Chung D. Yoon S.H. Lee J.H. Lee |
| author_sort | J.W. Shin |
| collection | DOAJ |
| description | In the Korean cattle feedlot industry, profitability is largely dependent on the carcass value at slaughter, which is influenced by genetic and environmental factors, including finishing time and feeding strategies. This study evaluated the predictive potential of genomic information for four economic traits—carcass weight (CWT), eye muscle area (EMA), backfat thickness (BFT), and marbling score (MS)—and the final meat grades in 975 Hanwoo cattle. Animals were grouped according to slaughter timing (Early and Late Finishing), and the genomic estimated breeding values for each trait were calculated. The analysis confirmed that all traits, except for CWT, were unaffected by finishing time. However, CWT was found to be influenced by both environmental factors and paternal effects. Trends in the phenotypic values for CWT, EMA, and MS increased with higher selection indices, while BFT exhibited mixed patterns, which suggests environmental influences. A-grade proportions increased with higher indices, thereby demonstrating the potential of genomic data for the early selection of high-grade animals. These findings underscore the value of genomic information in Hanwoo cattle breeding strategies, although sample size expansion may improve prediction accuracy for certain grades. |
| format | Article |
| id | doaj-art-2b8a49a9268e493c8d0c74b199a590b7 |
| institution | OA Journals |
| issn | 1751-7311 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Animal |
| spelling | doaj-art-2b8a49a9268e493c8d0c74b199a590b72025-08-20T02:29:42ZengElsevierAnimal1751-73112025-06-0119610152610.1016/j.animal.2025.101526Genomic-based animal management in the early- and late-finishing system of Hanwoo cattleJ.W. Shin0Y. Chung1S.Y. Maeng2S.H. Lee3Y. Choi4E. Hong5J. Lee6E. Cho7K.Y. Chung8D. Yoon9S.H. Lee10J.H. Lee11Department of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Republic of KoreaInstitute of Agricultural Science, Chungnam National University, Daejeon 34134, Republic of KoreaDivision of Animal & Dairy Science, Chungnam National University, Daejeon 34134, Republic of KoreaQuantomic Research & Solution Co., TIPS Town, Daejeon 34134, Republic of KoreaDepartment of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Republic of KoreaDepartment of Bio-Big Data, Chungnam National University, Daejeon 34134, Republic of KoreaDepartment of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Republic of KoreaDepartment of Bio-AI Convergence, Chungnam National University, Daejeon 34134, Republic of KoreaDepartment of Beef Science, Korea National College of Agriculture and Fisheries, Jeonju 54874, KoreaDepartment of Animal Science and Biotechnology, Graduate School, Kyungpook National University, Sangju 37224, KoreaDivision of Animal & Dairy Science, Chungnam National University, Daejeon 34134, Republic of Korea; Corresponding author.Department of Animal Science, Chungnam National University, Daejeon 34134, KoreaIn the Korean cattle feedlot industry, profitability is largely dependent on the carcass value at slaughter, which is influenced by genetic and environmental factors, including finishing time and feeding strategies. This study evaluated the predictive potential of genomic information for four economic traits—carcass weight (CWT), eye muscle area (EMA), backfat thickness (BFT), and marbling score (MS)—and the final meat grades in 975 Hanwoo cattle. Animals were grouped according to slaughter timing (Early and Late Finishing), and the genomic estimated breeding values for each trait were calculated. The analysis confirmed that all traits, except for CWT, were unaffected by finishing time. However, CWT was found to be influenced by both environmental factors and paternal effects. Trends in the phenotypic values for CWT, EMA, and MS increased with higher selection indices, while BFT exhibited mixed patterns, which suggests environmental influences. A-grade proportions increased with higher indices, thereby demonstrating the potential of genomic data for the early selection of high-grade animals. These findings underscore the value of genomic information in Hanwoo cattle breeding strategies, although sample size expansion may improve prediction accuracy for certain grades.http://www.sciencedirect.com/science/article/pii/S1751731125001090Economic traitsFinal gradesFinishing timeGenomic informationKorean cattle |
| spellingShingle | J.W. Shin Y. Chung S.Y. Maeng S.H. Lee Y. Choi E. Hong J. Lee E. Cho K.Y. Chung D. Yoon S.H. Lee J.H. Lee Genomic-based animal management in the early- and late-finishing system of Hanwoo cattle Animal Economic traits Final grades Finishing time Genomic information Korean cattle |
| title | Genomic-based animal management in the early- and late-finishing system of Hanwoo cattle |
| title_full | Genomic-based animal management in the early- and late-finishing system of Hanwoo cattle |
| title_fullStr | Genomic-based animal management in the early- and late-finishing system of Hanwoo cattle |
| title_full_unstemmed | Genomic-based animal management in the early- and late-finishing system of Hanwoo cattle |
| title_short | Genomic-based animal management in the early- and late-finishing system of Hanwoo cattle |
| title_sort | genomic based animal management in the early and late finishing system of hanwoo cattle |
| topic | Economic traits Final grades Finishing time Genomic information Korean cattle |
| url | http://www.sciencedirect.com/science/article/pii/S1751731125001090 |
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