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한우의 도체형질 유전모수 추정을 위한 REML과 Glbbs sampling 방법의 비교연구 원문보기
Comparison between REML and gibbs sampling algorithm with a mixed animal model to estimate genetic paorameters for carcass traits in Hanwoo(Korean native cattle)

  • 저자

    노승희

  • 학위수여기관

    慶尙大學校 大學院

  • 학위구분

    국내석사

  • 학과

    응용생명과학부

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    viii, 45p.

  • 키워드

    한우 도체형질 유전모수 응용생명과학 축산학;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10060055&outLink=K  

  • 초록

    The aims of the study were to estimate genetic parameters for carcass traits on Hanwoo(Korean Native Cattle) and to compare two different statistical algorithms to estimate genetic parameters. Data obtained from 1526 steers at Hanwoo Improvement Center and Hanwoo Improvement Complex Area from 1996 to 2001 were used for the analyses. The carcass traits considered in these studies were carcass weight, dressing percent, eye muscle area, backfat thickness, and marbling score. Estimated genetic parameters using EM-REML algorithm were compared with those by Bayesian inference via Gibbs Sampling to find out statistical properties. The results obtained in this study were summarized as fallows; The means and standard deviations of the carcass traits with carcass weight, dressing percent, eye muscle area, backfat thickness, marbling score were 301.93±33.95kg, 58.51±3.61%, 74.93±8.39cm2, 0.73±0.31cm and 2.92±1.58, respectively. Birth year-season was shown a high significance(p


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