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      • 한우 종모우의 혈연관계 추적

        김내수(N. S. Kim),이중재(J. J. Lee),당창권(C. G. Dang),정용호(Y. H. Jeoung),원유석(Y. S. Won) 충북대학교 동물생명과학연구소 2010 동물생명과학연구 Vol.3 No.-

        The purpose of this study was to monitor the status of pedigree structure and to estimate the additive relationship and inbreeding coefficients of active Hanwoo proven bulls. A total 3,760 Pedigree records of proven and young bulls and heifers from 1983 to 2008 were used in this study. Intel Visual Fortran Compiler (Window Ver. 11.1) was used to compute the numerator relationship matrix(A) and to estimate the inbreeding coefficients using the self-made fortran program included three subroutines(MATCH, SHIFT, NRM). The ratio of relatedness among the active Hanwoo proven bulls ranged from 20.75 to 94.34% and the inbreeding coefficients of 4 proven bulls were estimated 0.78, 3.13, 0.05 and 1.56%, respectively. The estimated inbreeding coefficients were less than other researches. However, the ratio of relatedness among the active Hanwoo proven bulls was estimated very high. Because of these results, the probability of inbred animals will be increased. Therefore, cattle breeders will be considered the active selection index consisting of economic weight as well as relationship and inbreeding coefficients of animals when the proven bulls will be selected.

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