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논문 기본 정보

자료유형
학술저널
저자정보
김도현 (전북대학교) 오재돈 (전북대학교) 이학교 (전북대학교)
저널정보
한국동물유전육종학회 Journal of Animal Breeding and Genomics Journal of Animal Breeding and Genomics Vol.6 No.1
발행연도
2022.3
수록면
11 - 18 (8page)

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Although the Hanwoo industry has been systematically improved at the national level, recently, the improvement of Hanwoo cows at the farm level is insufficient, acting as a factor to increase the dependence on KPN(Korea Proven Bull's Number) . In this study, the breeding value and accuracy estimated according to the pedigree depth were evaluated in order to present basic data for the evaluation of the genetic ability of Hanwoo and the utilization of Hanwoo farm information through the establishment of an efficient regional Hanwoo cow improvement system using Hanwoo farm information. To establish a reference group, a database was established by collecting information on slaughtered Hanwoo and shipped from Jeollabuk-do for 5 to 10 years, as well as information on breeding Hanwoo cows in the area subject to breeding value evaluation. According to the pedigree depth, the evaluated groups were classified into three groups: 1 group 1-2 generations, 2 groups 2-3 generations, and 3 groups 3 generations or more. Looking at the analysis results by group, Carcass weight (CWT), Eye muscle area (EMA), Backfat thickness (BFT), Marbling score (MSC) were 12.676 kg, 3.932 cm2, 0.113 mm, 0.605 points for group 1, and 14.632 kg, 4.643 cm2, 0.110 mm, 0.758 points for group 2 , in the case of group 3, 15.892 kg, 4.909 cm2, 0.171 mm, 0.824 points were indicated. It was found that as the pedigree depth increased, the average of the breeding value also increased. As a result of analysis accuracy, CWT, EMA, BFT, MSC were 0.428, 0.419, 0.425, 0.430 for group 1, 0.471, 0.463, 0.468, 0.472 for group 2, and 0.476, 0.469, 0.474, 0.478 were shown. When looking at the difference between groups by pedigree depth, it was found that the difference in accuracy between group 1 and group 2 was about 0.05, while the difference in accuracy between group 2 and group 3 was about 0.005. This is because the increase in accuracy is stagnant as the pedigree depth goes to 3 or more generations. It is considered that it can be used as basic data for farm information management.

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