Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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Comparative Analysis of Melanin Contents in Hairs among Cattle Breeds

소의 모발 멜라닌 색소 함량의 품종별 비교 분석

  • Lee, S.S. (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Kang, S.R. (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Han, S.H. (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Cho, I.C. (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Shin, K.Y. (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Cho, Y.I. (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Kang, T.Y. (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Ko, Moon-Suck (National Institute of Subtropical Agriculture, Rural Development Administration) ;
  • Yang, Y.H. (Department of Animal Biotechnology, Cheju National University)
  • 이성수 (농촌진흥청 난지농업연구소) ;
  • 강승률 (농촌진흥청 난지농업연구소) ;
  • 한상현 (농촌진흥청 난지농업연구소) ;
  • 조인철 (농촌진흥청 난지농업연구소) ;
  • 신광윤 (농촌진흥청 난지농업연구소) ;
  • 조용일 (농촌진흥청 난지농업연구소) ;
  • 강태영 (농촌진흥청 난지농업연구소) ;
  • 고문석 (농촌진흥청 난지농업연구소) ;
  • 양영훈 (제주대학교 동물자원과학과)
  • Published : 2007.02.28
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Abstract

To characterize the colorization patterns of bovine hairs, the melanin contents were quantitatively assayed and compared among cattle breeds. The total melanin levels measured by spectrophotometric assay (A500) from Jeju Black cattle were significantly lower than those from Holstein or Angus with black coat color but significantly higher than those from Hanwoo with yellow coat color or Angus and Holstein with red coat color (P<0.001). The total melanin levels from Hanwoo were significantly lower than those from Red Angus and Red Holstein but significantly higher than those from Hanwoo×Charolais crossbred (P<0.001). The relative ratios of eumelanin to pheomelanin (A650/A500) were 0.382, 0.359, 0.112 and 0.124 in Angus, Jeju Balck cattle, Red Holstein and Hanwoo, respectively. These results show that the spectrophotometric method provides a convenient way to qualitatively characterize hair melanin and may be useful for studying expression of major coat color genes in Hanwoo and Jeju Black cattle.

한우와 제주흑우의 모색 특성과 양적 수치화를 위하여 분광광도법적 분석을 수행하였다. 분석 결과 제주흑우의 총 melanin 함량은 같은 흑색 품종인 Holstein과 Angus에 비해 유의적으로 낮았고 한우나 적색 품종 보다는 높은 수준을 보였다(P<0.001). 한우의 총 melanin 함량은 적색 품종에 비해 유의적으로 낮았고 한우×Charolais 교잡종에 비해 높았다(P<0.001). 전체 melanin 중 eumelanin, pheomelanin의 상대적 수준을 분석한 결과 Angus, 제주흑우, Red Holstein과 한우 각각 0.382, 0.359, 0.112와 0.124 이었다. 품종별 모발 melanin 색소 함량 분석결과는 분광광도법적 분석이 소 품종별 모색의 양적 수치화 및 특성 비교에 이용 가능하고 한우와 제주흑우의 주요 모색 관련 유전자 연구의 기초 자료로 유용함을 보여주고 있다.

Keywords

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