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Asian-Australasian journal of animal sciences v.18 no.7, 2005년, pp.909 - 914   피인용횟수: 1

Estimates of Parameters for Genetic Relationship between Reproductive Performances and Body Condition Score of Hanwoo Cows

Choi, S.B.    (National Livestock Research Institute, R.D.A.   ); Lee, J.W.    (National Livestock Research Institute, R.D.A.   ); Choy, Y.H.    (National Livestock Research Institute, R.D.A.   ); Na, K.J.    (National Livestock Research Institute, R.D.A.   ); Kim, N.S.    (Dept. Animal Science, Chungbuk National University  );
  • 초록

    This study was conducted to estimate phenotypic and genetic parameters of body condition score (BCS) and reproductive traits in Hanwoo cows. DFREML procedures were applied to obtain variance-covariance components and heritability estimates with single or two-trait models. Estimates of phenotypic correlations of BCS at service with BCS at calving was 0.16 and 0.26 with calving interval, 0.08 with gestation length, and 0.06 with number of services per conception, respectively. Estimates of phenotypic correlation of BCS at calving was 0.10 with calving interval, 0.13 with gestation length, and 0.10 with number of services per conception, respectively. Estimates of phenotypic correlation were low and negative, -0.11 between calving interval and gestation length and -0.13 between gestation length and number of services per conception. Estimates of direct genetic correlation were -0.06, between BCS at service and BCS at calving, 0.37 between BCS at service and BCS at weaning, and -0.18 between BCS at calving and BCS at weaning. Estimates of direct genetic correlation of days from calving to the 1st service were 0.17 with number of services per conception and -0.21 with BCS at service. Estimates of direct genetic correlation for BCS at calving were -0.02 with number of services per conception and -0.08 with BCS at service. Estimates of direct genetic correlation for BCS at weaning were 0.02 with number of services per conception and -0.07 with BCS at service. Estimates of direct heritability from single trait analyses were 0.13 for BCS at service, 0.20 for BCS at calving, 0.02 for BCS at weaning, and 0.20 for number of service per conception, respectively. Estimates of direct heritability were 0.20 for birth weight and 0.10 for weaning weight.


  • 주제어

    Body Condition Score .   Genetic Correlation .   Heritability .   Hanwoo.  

  • 참고문헌 (14)

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  • 이 논문을 인용한 문헌 (1)

    1. 2008. "" Asian-Australasian journal of animal sciences, 21(4): 478~483     

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