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Volumn 26, Issue 1, 1996, Pages 11-14

Variance components and genetic parameters for body weight and fleece traits of Merino sheep in an arid environment

Author keywords

Arid environment; Body weight; Fleece traits; Maternal effects; Merino sheep; Variance components

Indexed keywords


EID: 0030500618     PISSN: 03751589     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (49)

References (19)
  • 1
    • 0002915908 scopus 로고
    • Environmental and genetic trends in clean fleece mass, live mass and fibre diameter in selection and control flocks involving a selection experiment for increased clean fleece mass in South African Merino sheep
    • CLOETE, S.W.P., DELPORT, G.J., ERASMUS, G.J., OLIVIER, J.J., HEYDENRYCH, H.J. & DU TOIT, E., 1992. Environmental and genetic trends in clean fleece mass, live mass and fibre diameter in selection and control flocks involving a selection experiment for increased clean fleece mass in South African Merino sheep. S. Afr. J. Anim. Sci. 22, 50-57.
    • (1992) S. Afr. J. Anim. Sci. , vol.22 , pp. 50-57
    • Cloete, S.W.P.1    Delport, G.J.2    Erasmus, G.J.3    Olivier, J.J.4    Heydenrych, H.J.5    Du Toit, E.6
  • 2
    • 3342919820 scopus 로고
    • A quarter of a century of fleece testing in South Africa
    • 2-4 May, Pretoria, South Africa
    • DELPORT, G.J., KOTZE, A.W.D., WATERMEYER, A.J., 1990. A quarter of a century of fleece testing in South Africa. Proc. World Merino Conf., 2-4 May, Pretoria, South Africa.
    • (1990) Proc. World Merino Conf.
    • Delport, G.J.1    Kotze, A.W.D.2    Watermeyer, A.J.3
  • 3
    • 0042173096 scopus 로고
    • Genetic and phenotypic parameter estimates of production traits in Merino sheep in an arid environment
    • ERASMUS, G.J., DE LANGE, A.O., DELPORT, G.J., OLIVIER, J.J., 1990. Genetic and phenotypic parameter estimates of production traits in Merino sheep in an arid environment. S. Afr. J. Anim. Sci. 20, 31-34.
    • (1990) S. Afr. J. Anim. Sci. , vol.20 , pp. 31-34
    • Erasmus, G.J.1    De Lange, A.O.2    Delport, G.J.3    Olivier, J.J.4
  • 4
    • 0001617484 scopus 로고
    • Genetic parameters for live weight, fat and muscle measurements, wool production and reproduction in sheep: A review
    • FOGARTY, N.M., 1995. Genetic parameters for live weight, fat and muscle measurements, wool production and reproduction in sheep: a review. Anim. Breed. Abstr. 63, 101-143.
    • (1995) Anim. Breed. Abstr. , vol.63 , pp. 101-143
    • Fogarty, N.M.1
  • 6
    • 0028105429 scopus 로고
    • Studies on Western Australian Merino sheep. II. Genetic and phenotypic parameter estimates for objectively measured traits on ram and ewe hoggets using different model types
    • LEWER, R.P., WOOLASTON, R.R. & HOWE, R.R., 1994. Studies on Western Australian Merino sheep. II. Genetic and phenotypic parameter estimates for objectively measured traits on ram and ewe hoggets using different model types. Aust. J. Agric. Res. 45, 829-840.
    • (1994) Aust. J. Agric. Res. , vol.45 , pp. 829-840
    • Lewer, R.P.1    Woolaston, R.R.2    Howe, R.R.3
  • 7
    • 0000037311 scopus 로고
    • Restricted maximum likelihood to estimate variance components for animal models with several random effects using a derivative-free algorithm
    • MEYER, K., 1989. Restricted maximum likelihood to estimate variance components for animal models with several random effects using a derivative-free algorithm. Genet. Sel. Evol. 21, 317-340.
    • (1989) Genet. Sel. Evol. , vol.21 , pp. 317-340
    • Meyer, K.1
  • 8
    • 0003438840 scopus 로고
    • DFREML: Programs to estimate variance components by restricted maximum likelihood using a derivative-free algorithm
    • MEYER, K., 1991. DFREML: programs to estimate variance components by restricted maximum likelihood using a derivative-free algorithm. User notes, Ver. 2.0.
    • (1991) User Notes, Ver. 2.0
    • Meyer, K.1
  • 9
    • 0000845731 scopus 로고
    • Approximation of sampling variances and confidence intervals for maximum likelihood estimates of variance components
    • MEYER, K. & HILL, W.G., 1992. Approximation of sampling variances and confidence intervals for maximum likelihood estimates of variance components. J. Anim. Breed. Genet. 109, 264-280.
    • (1992) J. Anim. Breed. Genet. , vol.109 , pp. 264-280
    • Meyer, K.1    Hill, W.G.2
  • 11
  • 12
    • 21844485728 scopus 로고
    • Direct and maternal variance component estimates for clean fleece weight, body weight and mean fibre diameter in the Grootfontein Merino Stud
    • OLIVIER, J.J., ERASMUS, G.J., VAN WYK, J.B. & KONSTANTINOV, K.V., 1994. Direct and maternal variance component estimates for clean fleece weight, body weight and mean fibre diameter in the Grootfontein Merino Stud. S. Afr. J. Anim. Sci. 24, 122-124.
    • (1994) S. Afr. J. Anim. Sci. , vol.24 , pp. 122-124
    • Olivier, J.J.1    Erasmus, G.J.2    Van Wyk, J.B.3    Konstantinov, K.V.4
  • 14
    • 3342890273 scopus 로고
    • Systems of breeding wool sheep in South Africa
    • 2-4 May, Pretoria, South Africa
    • POGGENPOEL, D.G., 1990. Systems of breeding wool sheep in South Africa. Proc. World Merino Conf., 2-4 May, Pretoria, South Africa.
    • (1990) Proc. World Merino Conf.
    • Poggenpoel, D.G.1
  • 15
    • 0001988776 scopus 로고
    • Direct and maternal (co)variance components and heritability estimates for body weight at different ages and fleece traits in Afrino sheep
    • SNYMAN, M.A., ERASMUS, G.J., VAN WYK, J.B. & OLIVIER, J.J., 1995. Direct and maternal (co)variance components and heritability estimates for body weight at different ages and fleece traits in Afrino sheep. Livest. Prod. Sci. 44, 229-235.
    • (1995) Livest. Prod. Sci. , vol.44 , pp. 229-235
    • Snyman, M.A.1    Erasmus, G.J.2    Van Wyk, J.B.3    Olivier, J.J.4
  • 17
    • 0028435134 scopus 로고
    • Estimation of variance components for lamb weights in three sheep populations
    • TOSH, J.J. & KEMP, R.A., 1994. Estimation of variance components for lamb weights in three sheep populations. J. Anim. Sci. 72, 1184-1190.
    • (1994) J. Anim. Sci. , vol.72 , pp. 1184-1190
    • Tosh, J.J.1    Kemp, R.A.2
  • 18
    • 0000938529 scopus 로고
    • An investigation of the potential for early (indirect) selection in Australian Merino sheep
    • VAEZ TORSHIZI, R., RAADSMA, H.W. & NICHOLAS, F.W., 1995. An investigation of the potential for early (indirect) selection in Australian Merino sheep. Proc. Aust. Ass. Anim. Breed. Gen. 11, 314-317.
    • (1995) Proc. Aust. Ass. Anim. Breed. Gen. , vol.11 , pp. 314-317
    • Vaez Torshizi, R.1    Raadsma, H.W.2    Nicholas, F.W.3
  • 19
    • 0015444176 scopus 로고
    • The role of maternal effects in animal breeding: III. Biometrical aspects of maternal effects in animals
    • WILLHAM, R.L., 1972. The role of maternal effects in animal breeding: III. Biometrical aspects of maternal effects in animals. J. Anim. Sci. 35, 1288-1293.
    • (1972) J. Anim. Sci. , vol.35 , pp. 1288-1293
    • Willham, R.L.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.