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Title

National genomic evaluation of Korean thoroughbreds through indirect racing phenotype.

Authors

Jinwoo Lee; Donghyun Shin; Heebal Kim

Abstract

Objective: Thoroughbred horses have been bred exclusively for racing in England for a long time. Additionally, because horse racing is a global sport, a healthy leisure activity for ordinary citizens, and a high-value business, systematic racehorse breeding at the population level is a requirement for continuous industrial development. Therefore, we established genomic evaluation system (using prize money as horse racing traits) to produce spirited, agile, and strong racing horse population Methods: We used phenotypic data from 25,061 Thoroughbred horses (all registered individuals in Korea) that competed in races between 1994 and 2019 at the Korea Racing Authority and constructed pedigree structures. We quantified the improvement in racehorse breeding output by year in Korea, and this aided in the establishment of a high-level horse-fill industry. Results: We found that pedigree-based best linear unbiased prediction method improved the racing performance of the Thoroughbred population with high accuracy, making it possible to construct an excellent Thoroughbred racehorse population in Korea. Conclusion: This study could be used to develop an efficient breeding program at the population level for Korean Thoroughbred racehorse populations as well as others.

Subjects

SOUTH Korea; ENGLAND; THOROUGHBRED horse; HORSE racing; RACE horses; EUGENICS; INDUSTRIALIZATION; LEISURE

Publication

Animal Bioscience, 2022, Vol 35, Issue 5, p659

ISSN

2765-0189

Publication type

Academic Journal

DOI

10.5713/ab.21.0409

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