Korean Journal of Veterinary Service (한국동물위생학회지)

The Korean Society of Veterinary Service (한국동물위생학회)
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Application of the melanocortin 1 receptor (MC1R) gene for discrimination of Hanwoo from Holstein beef using real-time polymerase chain reaction (PCR)

  • Ra, Do-Kyung (Incheon Metropolitan City Institute of Health & Environment) ;
  • Lee, Sung-Mo (Incheon Metropolitan City Institute of Health & Environment) ;
  • Park, Eun-Jeong (Incheon Metropolitan City Institute of Health & Environment) ;
  • Lee, Jung-Goo (Incheon Metropolitan City Institute of Health & Environment)
  • Published : 2007.12.30
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Abstract

This study was carried out to discriminate Hanwoo from the milking and hybrid cattle by detection of MC1R gene related to bovine hair color. One hundred sixty six samples were collected from the abattoir (n = 106) and local market (n = 60). The beef from abattoir were originated from Hanwoo (n=27), Holstein (n=29), Hybrid (n=45) and imported cattle (n=5), respectively. The beef from market consisted of Hanwoo (n=36), Holstein (n=7) and imported ones (n=17). Commercialized screening kit (Kogenebiotec, Korea) was used for MC1R gene analysis. As a result, Hanwoo was discriminated from Holstein. However, 9 of 45 hybrid and 11 of 22 imported beef samples were indistinguishable from Hanwoo. It could be explained by second generation of crossing of Hanwoo with Holstein or the cattle with silver or yellow hair. This results suggest that additional tests as well as MC1R gene detection be needed to confirm Hanwoo beef among cattle beef.

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References

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