DOI QR코드

DOI QR Code

Genetic Relationship Between Weaning Weight and Carcass Traits in Hanwoo

한우의 이유시 체중과 도체형질과의 유전적 관계

  • Hwang, J.M. (National Livestock Research Institute, Institute of Environment) ;
  • Choi, J.G. (National Livestock Research Institute, Institute of Environment) ;
  • Kim, H.C. (National Livestock Research Institute, Institute of Environment) ;
  • Choy, Y.H. (National Livestock Research Institute, Institute of Environment) ;
  • Lee, C. (Life Science, Hallym University) ;
  • Yang, B.K. (College of Animal Life Science, Kangwon National University) ;
  • Shin, J.S. (College of Animal Life Science, Kangwon National University) ;
  • Kim, Jong-Bok (College of Animal Life Science, Kangwon National University)
  • Published : 2007.04.30

Abstract

The objective of this study was to evaluate the genetic relationship between weaning weight (WW) and carcass traits. Carcass traits were eye muscle area(EMA), back fat thickness(BFT), marbling score 1(MS1) in 21 grade scales, marbling score 2(MS2) in 7 grade scales and meat color scores(Mcolor). Parameters were estimated by REML procedure with MTDFREML package. Models included contemporary group as defined by the same year-season-sex at birth, linear covariates of age(days) at weaning, age of dam(days) and age at slaughter(days) as fixed effects and animal random effects for all the traits. Heritability estimates of WW, EMA, BFT, MS1, MS2 and Mcolor were 0.25, 0.20, 0.20, 0.32, 0.32 and 0.22, respectively. Genetic(phenotypic) correlation coefficients of WW with EMA, BFT, MS1, MS2 and Mcolor were 0.75(0.16), 0.18(0.05), -0.41(-0.09), -0.40(0.11) and -0.07(0.05), respectively. Results from this study suggest that single trait selection for weaning weight would lead to progeny population having carcass with large EMA, thick BFT and decreased MS.

Keywords

Weaning weight;Carcass trait;Heritability;Genetic correlation

References

  1. Park, C. J. and Park, Y. I. 2003. Estimation of genetic parameters for growth and carcass traits in Hanwoo bull populations. J. Anim. Sci. & Technol. (Kor). 45:23-32 https://doi.org/10.5187/JAST.2003.45.1.023
  2. Rios-Utrera, A. L., Cundiff, V., Gregory, K. E., Koch, R. M., Dikeman, M. E., Koohmaraie, M. and Van Vleck, l. D. 2005. Genetic analysis of carcass traits of steers adjusted to age, weight, or fat thickness slaughter endpoints. J. Anim. Sci. 83:764-776
  3. Roh, S. H., Kim, B. W., Kim, H. S., Min, H. S., Yoon, H. B., Lee, D. H., Jeon, J. T. and Lee, J. G. 2004. Comparison between REML and Bayesian via Gibbs sampling algorithm with a mixed animal model to estimate genetic para- meters for carcass traits in Hanwoo (Korean Native Cattle). J. Anim. Sci. & Technol. (Kor). 46:719-728 https://doi.org/10.5187/JAST.2004.46.5.719
  4. Shanks, B. C., Tess, M. W., Kress, D. D. and Cunningham, B. E. 2001. Genetic evaluation of carcass traits in Simmental-sired cattle at different slaughter end points. J. Anim. Sci. 2001. 79:595-604
  5. Woodward, B. W., Pollack, E. J. and Quaas, R. L. 1992. Parameter estimation for carcass traits including growth information of Simmental beef cattle using restricted maximum likelihood with a multiple-trait model. J. Anim. Sci. 70:1098-1109 https://doi.org/10.2527/1992.7041098x
  6. Hirooka, H., Ab. F. Groen and Matsumoto, M. 1996. Genetic parameters for growth and carcass traits in Japanese Brown cattle estimated from field records. J. Anim. Sci. 74:2112-2116
  7. Kemp, D. J., Herring, W. O. and Kaiser, C. J. 2002. Genetic and environmental parameters for steer ultrasound and carcass traits. 80:1489-1496
  8. Koots, K. R., Ginson, J. P., Smith, C. and Wilton, J. W. 1994. Analyses of published genetic parameter estimates for beef production traits. 1. Heriatbility. Anim. Breed. Abstr. 62:309-338
  9. Arnold, J. W., Bertrand, J. K., Benyshek, L. L. and Ludwig, C. 1991. Estimates of genetic parameters for live animal ultrasound, actual carcass data, and growth traits in beef cattle. J. Anim. Sci. 69:985-992 https://doi.org/10.2527/1991.693985x
  10. Boldman, K. G., Kriese, L. A., Van Vleck, L. D., Van Tassell, C. P. and Kachman, S. D. 1995. A manual for use of MTDFREML. A set of programs to obtain estimates of variance and covariances. USDA, ARS
  11. Choy, Y. H., Yoon, H. B., Choi, S. B. and Chung, H. W. 2005. Genetic analysis of carcass traits in Hanwoo with different slaughter end- points. J. Anim. Sci. & Technol. (Kor.) 47:703- 710 https://doi.org/10.5187/JAST.2005.47.5.703
  12. Crews, Jr. D. H., Pollak, E. J. and Quaas, R. L. 2004. Evaluation of Simmental carcass EPD estimated using live and carcass data. J. Anim. Sci. 82:661-667
  13. Splan, R. K., Cundiff, L. V., Dikeman, M. E. and Van Vleck, L. D. 2002. Estimates of parameters between direct and maternal genetic effects for weaning weight and direct genetic effects for carcass traits in crossbred cattle. J. Anim. Sci. 80:3107-3111
  14. MacNeil, M. D., Short, R. E. and Grings, E. E. 2001. Characterization of topcross progenies from Hereford, Limousin, and Piedmontese sires. J. Anim. Sci. 79:1751-1756