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Volumn 31, Issue 2, 2001, Pages 123-130

Environmental and genetic aspects of survival and early liveweight in Western Australian Merino sheep

Author keywords

Genetics; Sheep; Survival; Weaning weight

Indexed keywords


EID: 0035647256     PISSN: 03751589     EISSN: None     Source Type: Journal    
DOI: 10.4314/sajas.v31i2.3838     Document Type: Article
Times cited : (31)

References (42)
  • 1
    • 0001658051 scopus 로고
    • Constraints to lamb survival
    • Eds. D.R. Lindsay and D.T. Pearce. Australian Academy of Science in conjunction with the Australian Wool Corporation: Canberra, Australia
    • Alexander, G., 1984. Constraints to lamb survival. In: 'Reproduction in sheep'. Eds. D.R. Lindsay and D.T. Pearce. Australian Academy of Science in conjunction with the Australian Wool Corporation: Canberra, Australia. pp. 199-209.
    • (1984) Reproduction in Sheep , pp. 199-209
    • Alexander, G.1
  • 2
    • 0034166644 scopus 로고    scopus 로고
    • Genetic parameters among weight, prolificacy, and wool traits of Columbia, Polypay, Rambioullet, and Targhee sheep
    • Bromley, C.M., Snowder, G.D. & Van Vleck, L.D., 2000. Genetic parameters among weight, prolificacy, and wool traits of Columbia, Polypay, Rambioullet, and Targhee sheep. J. Anim. Sci. 78, 846-858.
    • (2000) J. Anim. Sci. , vol.78 , pp. 846-858
    • Bromley, C.M.1    Snowder, G.D.2    Van Vleck, L.D.3
  • 3
    • 38249002475 scopus 로고
    • Direct and maternal effects on lamb survival
    • Burfening, P.J., 1993. Direct and maternal effects on lamb survival. Small Rumin. Res. 11, 267-274.
    • (1993) Small Rumin. Res. , vol.11 , pp. 267-274
    • Burfening, P.J.1
  • 4
    • 38249004206 scopus 로고
    • Direct and maternal effects on birth and weaning weight in sheep
    • Burfening, P.J. & Kress, D.D., 1993. Direct and maternal effects on birth and weaning weight in sheep. Small Rumin. Res. 10, 153-163.
    • (1993) Small Rumin. Res. , vol.10 , pp. 153-163
    • Burfening, P.J.1    Kress, D.D.2
  • 5
    • 0000587634 scopus 로고    scopus 로고
    • Genetic parameters for live weight and live animal ultrasound fat and eye muscle dimensions in a synthetic terminal sire breed
    • Clarke, J.N., Nicoll, G.B. & Mowat, C.M., 1998. Genetic parameters for live weight and live animal ultrasound fat and eye muscle dimensions in a synthetic terminal sire breed. Proc. N. Z. Soc. Anim. Prod. 58, 140-142.
    • (1998) Proc. N. Z. Soc. Anim. Prod. , vol.58 , pp. 140-142
    • Clarke, J.N.1    Nicoll, G.B.2    Mowat, C.M.3
  • 6
    • 0032462709 scopus 로고    scopus 로고
    • Lamb survival in relation to lambing and neonatal behaviour in medium wool Merino lines divergently selected for multiple rearing ability
    • Cloete, S.W.P. & Scholtz, A.J., 1998. Lamb survival in relation to lambing and neonatal behaviour in medium wool Merino lines divergently selected for multiple rearing ability. Aust. J. Exp. Agric. 38, 801-811.
    • (1998) Aust. J. Exp. Agric. , vol.38 , pp. 801-811
    • Cloete, S.W.P.1    Scholtz, A.J.2
  • 7
    • 0032245766 scopus 로고    scopus 로고
    • Environmental effects, heritability estimates and genetic trends in a Western Cape Dohne Merino nucleus flock
    • Cloete, S.W.P., Scholtz, A.J. & Aucamp, B.B., 1998. Environmental effects, heritability estimates and genetic trends in a Western Cape Dohne Merino nucleus flock. S. Afr. J. Anim. Sci. 28, 185-195.
    • (1998) S. Afr. J. Anim. Sci. , vol.28 , pp. 185-195
    • Cloete, S.W.P.1    Scholtz, A.J.2    Aucamp, B.B.3
  • 8
    • 21844517951 scopus 로고
    • A genetic analysis of early growth and ultrasonic measurements in hill sheep
    • Conington, J., Bishop, S.C., Waterhouse, A. & Simm, G., 1995. A genetic analysis of early growth and ultrasonic measurements in hill sheep. Anim. Sci. 61, 85-93.
    • (1995) Anim. Sci. , vol.61 , pp. 85-93
    • Conington, J.1    Bishop, S.C.2    Waterhouse, A.3    Simm, G.4
  • 9
    • 0007124494 scopus 로고
    • A practical attempt to breed for better lamb survival
    • Donnelly, F.B., 1982. A practical attempt to breed for better lamb survival. Proc. Aust. Soc. Anim. Prod. 14, 30-32.
    • (1982) Proc. Aust. Soc. Anim. Prod. , vol.14 , pp. 30-32
    • Donnelly, F.B.1
  • 10
    • 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
  • 11
    • 0003318707 scopus 로고    scopus 로고
    • ASREML - Reference manuel
    • NSW Agriculture, Orange Agricultural Institute, Forest Road, Orange 2800, NSW, Australia
    • Gilmour, A.R., Cullis, B.R., Welham, S.J. & Thompson, R., 1999. ASREML - Reference manuel. NSW Agriculture Biometric Bulletin No. 3. NSW Agriculture, Orange Agricultural Institute, Forest Road, Orange 2800, NSW, Australia.
    • (1999) NSW Agriculture Biometric Bulletin No. 3
    • Gilmour, A.R.1    Cullis, B.R.2    Welham, S.J.3    Thompson, R.4
  • 12
    • 0033466021 scopus 로고    scopus 로고
    • Genetic trends in a South African Mutton Merino nucleus breeding scheme
    • Grey, H.Q., Neser, F.W.C., Erasmus, G.J. & van Wyk, J.B., 1999. Genetic trends in a South African Mutton Merino nucleus breeding scheme. S. Afr. J. Anim. Sci. 29, 48-53.
    • (1999) S. Afr. J. Anim. Sci. , vol.29 , pp. 48-53
    • Grey, H.Q.1    Neser, F.W.C.2    Erasmus, G.J.3    Van Wyk, J.B.4
  • 13
    • 0029349685 scopus 로고
    • Influences of amount of pedigree information on computing time and of model assumptions on Restricted Maximum-Likelihood estimates of population parameters in Swiss Black-Brown Mountain sheep
    • Hagger, C. & Schneeberger, M., 1995. Influences of amount of pedigree information on computing time and of model assumptions on Restricted Maximum-Likelihood estimates of population parameters in Swiss Black-Brown Mountain sheep. J. Anim. Sci. 73, 2213-2219.
    • (1995) J. Anim. Sci. , vol.73 , pp. 2213-2219
    • Hagger, C.1    Schneeberger, M.2
  • 14
    • 84970600805 scopus 로고
    • Performance of crossbred progeny of Trangie fertility Merino and Booroola Merino rams and Poll Dorset ewes. 1. Lamb birth weight, survival and growth
    • Hall, D.G., Fogarty, N.M. & Gilmour, A.R., 1995. Performance of crossbred progeny of Trangie fertility Merino and Booroola Merino rams and Poll Dorset ewes. 1. Lamb birth weight, survival and growth. Aust. J. Exp. Agric. 35, 1069-1074.
    • (1995) Aust. J. Exp. Agric. , vol.35 , pp. 1069-1074
    • Hall, D.G.1    Fogarty, N.M.2    Gilmour, A.R.3
  • 15
    • 0021008603 scopus 로고
    • Selective breeding for rearing ability as an aid to improving lamb survival
    • Haughey, K.G., 1983. Selective breeding for rearing ability as an aid to improving lamb survival. Aust. Vet. J. 60, 361-363.
    • (1983) Aust. Vet. J. , vol.60 , pp. 361-363
    • Haughey, K.G.1
  • 17
    • 0000608889 scopus 로고
    • Identification of factors contributing to the improved lamb survival in Marshall Romney sheep
    • Knight, T.W., Lynch, P.R., Hall, D.R.H. & Hockey, H-U.P., 1988. Identification of factors contributing to the improved lamb survival in Marshall Romney sheep. N. Z. J. Agric. Res. 31, 259-271.
    • (1988) N. Z. J. Agric. Res. , vol.31 , pp. 259-271
    • Knight, T.W.1    Lynch, P.R.2    Hall, D.R.H.3    Hockey, H.-U.P.4
  • 18
    • 21844503914 scopus 로고
    • Evaluation of Dormer sires for litter size and lamb mortality using a threshold model
    • Konstantinov, K.V., Erasmus, G.J. & van Wyk, J.B., 1994. Evaluation of Dormer sires for litter size and lamb mortality using a threshold model. S. Afr. J. Anim. Sci. 24, 119-121.
    • (1994) S. Afr. J. Anim. Sci. , vol.24 , pp. 119-121
    • Konstantinov, K.V.1    Erasmus, G.J.2    Van Wyk, J.B.3
  • 19
    • 0000197898 scopus 로고    scopus 로고
    • Genetic parameters for direct and maternal effects on weights and ultrasonic muscle and fat depth of lambs
    • Larsgard, A.G. & Olesen, I., 1998. Genetic parameters for direct and maternal effects on weights and ultrasonic muscle and fat depth of lambs. Livest. Prod. Sci. 55, 273-278.
    • (1998) Livest. Prod. Sci. , vol.55 , pp. 273-278
    • Larsgard, A.G.1    Olesen, I.2
  • 20
    • 0002441101 scopus 로고
    • Katanning base flock
    • Eds: RW Ponzoni and DR Gifford. Proc. Nat. Workshop, Turretfield Research Centre, Rosedale, South Australia
    • Lewer, L.R., 1993. Katanning base flock. In: Merino genetic resource flocks in Australia. Eds: RW Ponzoni and DR Gifford. Proc. Nat. Workshop, Turretfield Research Centre, Rosedale, South Australia. pp 10-14.
    • (1993) Merino Genetic Resource Flocks in Australia , pp. 10-14
    • Lewer, L.R.1
  • 21
    • 0032909532 scopus 로고    scopus 로고
    • Choosing maternal effect models to estimate (co)variances for live and fleece weight in New Zealand Coopworth sheep
    • Lewis, R.M. & Beatson, P.R., 1999. Choosing maternal effect models to estimate (co)variances for live and fleece weight in New Zealand Coopworth sheep. Livest. Prod. Sci. 58, 137-150.
    • (1999) Livest. Prod. Sci. , vol.58 , pp. 137-150
    • Lewis, R.M.1    Beatson, P.R.2
  • 22
    • 0000688286 scopus 로고    scopus 로고
    • Genetic parameter estimates for lamb survival in Romney sheep
    • Lopez-Villalobos, N. & Garrick, D.J., 1999. Genetic parameter estimates for lamb survival in Romney sheep. Proc. N. Z. Soc. Anim. Prod. 59, 121-124.
    • (1999) Proc. N. Z. Soc. Anim. Prod. , vol.59 , pp. 121-124
    • Lopez-Villalobos, N.1    Garrick, D.J.2
  • 23
    • 0027585534 scopus 로고
    • Estimates of variances due to direct and maternal effects for growth traits of Romanov sheep
    • Maria, G.A., Boldman, K.G. and van Vleck, L.D., 1993. Estimates of variances due to direct and maternal effects for growth traits of Romanov sheep. J. Anim. Sci. 71, 845-849.
    • (1993) J. Anim. Sci. , vol.71 , pp. 845-849
    • Maria, G.A.1    Boldman, K.G.2    Van Vleck, L.D.3
  • 24
    • 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. Gen., Select. Evol. 21, 317-340.
    • (1989) Gen., Select. Evol. , vol.21 , pp. 317-340
    • Meyer, K.1
  • 25
    • 0034474472 scopus 로고    scopus 로고
    • Genetic and environmental factors affecting lamb survival at birth and through to weaning
    • Morris. C.A., Hickey, S.M. & Clarke, J.N., 2000. Genetic and environmental factors affecting lamb survival at birth and through to weaning. N. Z. J. Agric. Res. 43, 515-524.
    • (2000) N. Z. J. Agric. Res. , vol.43 , pp. 515-524
    • Morris, C.A.1    Hickey, S.M.2    Clarke, J.N.3
  • 27
    • 0032236909 scopus 로고    scopus 로고
    • An investigation into possible genotype X environment interactions for weaning weight in South African Mutton Merino sheep
    • Neser, F.W.C., Erasmus, G.J., van Wyk, J.B. & van Deventer, C.S., 1998. An investigation into possible genotype X environment interactions for weaning weight in South African Mutton Merino sheep. S. Afr. J. Anim. Sci. 28, 179-184.
    • (1998) S. Afr. J. Anim. Sci. , vol.28 , pp. 179-184
    • Neser, F.W.C.1    Erasmus, G.J.2    Van Wyk, J.B.3    Van Deventer, C.S.4
  • 28
    • 0034562290 scopus 로고    scopus 로고
    • Genetic studies on the South African Mutton Merino: Growth traits
    • Neser, F.W.C., Erasmus, G.J. & van Wyk, J.B., 2000. Genetic studies on the South African Mutton Merino: growth traits. S. Afr. J. Anim. Sci. 30, 172-177.
    • (2000) S. Afr. J. Anim. Sci. , vol.30 , pp. 172-177
    • Neser, F.W.C.1    Erasmus, G.J.2    Van Wyk, J.B.3
  • 29
    • 21344435517 scopus 로고
    • Estimated genetic trends for weaning weight in three Dorper lines with different selection criteria
    • Neser, F.W.C., Konstantinov, K.V. & Erasmus, G.J., 1995. Estimated genetic trends for weaning weight in three Dorper lines with different selection criteria. S. Afr. J. Anim. Sci. 25, 65-69.
    • (1995) S. Afr. J. Anim. Sci. , vol.25 , pp. 65-69
    • Neser, F.W.C.1    Konstantinov, K.V.2    Erasmus, G.J.3
  • 30
    • 0032151928 scopus 로고    scopus 로고
    • The U.S. National sheep improvement program: Across flock genetic evaluations and new trait development
    • Notter D.R., 1998. The U.S. National sheep improvement program: Across flock genetic evaluations and new trait development. J. Anim. Sci. 76, 2324-2330.
    • (1998) J. Anim. Sci. , vol.76 , pp. 2324-2330
    • Notter, D.R.1
  • 31
    • 0031180931 scopus 로고    scopus 로고
    • Genetic parameters for growth and fleece characteristics in Targhee sheep
    • Notter, D.R. & Hough, J.D., 1997. Genetic parameters for growth and fleece characteristics in Targhee sheep. J. Anim. Sci. 75, 1729-1737.
    • (1997) J. Anim. Sci. , vol.75 , pp. 1729-1737
    • Notter, D.R.1    Hough, J.D.2
  • 32
    • 0001165864 scopus 로고    scopus 로고
    • The South African Merino performance testing scheme
    • Olivier, J.J., 1999. The South African Merino performance testing scheme. Proc. Assoc. Advmnt Anim. Breed. Gen. 13, 119-124.
    • (1999) Proc. Assoc. Advmnt Anim. Breed. Gen. , vol.13 , pp. 119-124
    • Olivier, J.J.1
  • 33
  • 34
    • 0346777503 scopus 로고
    • Estimates of genetic parameters for lamb weights and growth traits of tropical sheep
    • Pitono, A.D. & James, J.W., 1995. Estimates of genetic parameters for lamb weights and growth traits of tropical sheep. Proc. Aust. Assoc. Anim. Breed. Gen. 11, 425-429.
    • (1995) Proc. Aust. Assoc. Anim. Breed. Gen. , vol.11 , pp. 425-429
    • Pitono, A.D.1    James, J.W.2
  • 35
    • 0002560421 scopus 로고    scopus 로고
    • Estimation and interpretation of direct and maternal genetic parameters for weights of Australian Angus cattle
    • Robinson, D.L., 1996. Estimation and interpretation of direct and maternal genetic parameters for weights of Australian Angus cattle. Livest. Prod. Sci. 45, 1-11.
    • (1996) Livest. Prod. Sci. , vol.45 , pp. 1-11
    • Robinson, D.L.1
  • 36
    • 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., 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
  • 37
    • 3743132237 scopus 로고    scopus 로고
    • The possible genetic improvement of reproduction and survival rate in Afrino sheep using a threshold model
    • Snyman, M.A., Erasmus, G.J. & van Wyk, J.B., 1998. The possible genetic improvement of reproduction and survival rate in Afrino sheep using a threshold model. S. Afr. J. Anim. Sci. 28, 120-124.
    • (1998) S. Afr. J. Anim. Sci. , vol.28 , pp. 120-124
    • Snyman, M.A.1    Erasmus, G.J.2    Van Wyk, J.B.3
  • 38
    • 0030500618 scopus 로고    scopus 로고
    • Variance components and genetic parameters for body weight and fleece traits of Merino sheep in an arid environment
    • Snyman, M.A., Olivier, J.J. & Olivier, W.J., 1996. Variance components and genetic parameters for body weight and fleece traits of Merino sheep in an arid environment. S. Afr. J. Anim. Sci. 26, 11-14.
    • (1996) S. Afr. J. Anim. Sci. , vol.26 , pp. 11-14
    • Snyman, M.A.1    Olivier, J.J.2    Olivier, W.J.3
  • 40
    • 0028435134 scopus 로고
    • Estimation of variance components of lamb weights in three sheep populations
    • Tosh, J.J. & Kemp, R.A., 1994. Estimation of variance components of 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
  • 41
    • 21144467880 scopus 로고
    • Variance components and heritability estimates of early growth traits in the Elsenburg Dormer sheep stud
    • Van Wyk, J.B., Erasmus, G.J. & Konstantinov, K.V. (1993). Variance components and heritability estimates of early growth traits in the Elsenburg Dormer sheep stud. S. Afr. J. Anim. Sci. 23, 72-76.
    • (1993) S. Afr. J. Anim. Sci. , vol.23 , pp. 72-76
    • Van Wyk, J.B.1    Erasmus, G.J.2    Konstantinov, K.V.3
  • 42
    • 0031256230 scopus 로고    scopus 로고
    • Genetic parameters for lamb weight at different ages and wool production in Baluchi sheep
    • Yazdi, M.H., Engström, G., Näsholm, A., Johansson, K., Jorjani, H. & Liljedahl, L-E. 1997. Genetic parameters for lamb weight at different ages and wool production in Baluchi sheep. Anim. Sci. 65, 247-255.
    • (1997) Anim. Sci. , vol.65 , pp. 247-255
    • Yazdi, M.H.1    Engström, G.2    Näsholm, A.3    Johansson, K.4    Jorjani, H.5    Liljedahl, L.-E.6


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