Journal of Embryo Transfer (한국수정란이식학회지)

The Korean Society of Embryo Transfer (한국수정란이식학회)
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Sires' MC1R Genotypes and Coat Color of the Offspring of the Chikso (Korean Brindle Cattle)

칡소 씨수소의 MC1R 유전자형과 자손의 모색 발현

  • Park, Jae-Hee (Department of Animal Sciences and Institute of Rare Earth for Biological Application, College of Agriculture and Life Science, Chonbuk National University) ;
  • Lee, Chang-Woo (Gangwon Province Livestock Research Center) ;
  • Lee, Hae-Lee (Livestock Experiment Station, Jeollabuk-do Institute of Livestock and Veterinary Research) ;
  • Choi, Jae Won (Institute of Livestock and Veterinary Research) ;
  • Choy, Yun Ho (Animal Genetics and Breeding Division, Department of Animal Resources Development, NIAS, RDA) ;
  • Kwon, A-Nam (Department of Animal Sciences and Institute of Rare Earth for Biological Application, College of Agriculture and Life Science, Chonbuk National University) ;
  • Ji, Yeoen Hee (Department of Animal Sciences and Institute of Rare Earth for Biological Application, College of Agriculture and Life Science, Chonbuk National University) ;
  • Kim, Jong Gug (Department of Animal Sciences and Institute of Rare Earth for Biological Application, College of Agriculture and Life Science, Chonbuk National University)
  • 박재희 (전북대학교 동물자원과학과/희토생물응용연구소) ;
  • 이창우 (강원도 축산기술연구센터) ;
  • 이해이 (전라북도 축산위생연구소 축산시험장) ;
  • 최재원 (충청북도 축산위생연구소) ;
  • 최연호 (국립축산과학원 가축개량평가과) ;
  • 권아남 (전북대학교 동물자원과학과/희토생물응용연구소) ;
  • 지연희 (전북대학교 동물자원과학과/희토생물응용연구소) ;
  • 김종국 (전북대학교 동물자원과학과/희토생물응용연구소)
  • Received : 2014.01.07
  • Accepted : 2014.03.24
  • Published : 2014.03.31
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Abstract

The objective of this study was to determine the effect of the MC1R genotypes of the Chikso (Korean brindle cattle) sires on the coat colors of their offspring. In this study, 15 Chikso sires with known MC1R genotypes were used for breeding in the Gangwon Province Livestock Research Center, the Chungbuk Institute of Livestock and Veterinary Research, and the Livestock Experiment Station, Jeonbuk Institute of Livestock and Veterinary Research from either 2011 or 2012 to 2013. There were 6 sires with $E^+E^+$ genotypes and 9 sires with $E^+e$ genotypes, and their coat colors were all whole brindle (more than 50 of the body). Among the 90 calves produced in 2011~2013 or 2012~2013 from the 15 sires, 50 (55.6%) of them were females and 40 (44.4%) of them were males. Coat colors of the offspring were determined when they reached over 6 months of age. Calves with whole brindle, part brindle, brown and black coat colors were 42 (48.3%), 11 (12.6%), 18 (20.7%) and 16 (18.4%), respectively. Ratio of calves with whole brindle coat color was higher than any other coat colors. Among the offspring with whole brindle color, 20 (41.7%) calves were female and 22 (51.3%) calves were male. By determining the MC1R genotypes of the dams and calves in this study along the family lines, and investigating other genes that may be involved in the coat colors of the Chikso, better breeding system may be established to increase the brindle coat color appearance in the future.

Keywords

References

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