Genetic parameter estimates for birth weight, weaning weight and average daily gain in pure and crossbred sheep in Ethiopia

Journal of Animal Breeding and Genetics

Volumn 120, Issue 1, 2003, Pages 29-38

  Hassen, Y ^a   Fuerst Waltl, Birgit ^b   Solkner J ^b  

^a Sheno Research Centre   (Ethiopia)

^b UNIVERSITY OF NATURAL RESOURCES AND LIFE SCIENCES   (Austria)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMALIA; LAMB; MAMMALIA; OVIS ARIES;

EID: 0037292602     PISSN: 09312668     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1439-0388.2003.00361.x     Document Type: Article

References (30)

1. AL-SHOREPY, S.A., 2001: Estimates of genetic parameters for direct and maternal effects on birth weight of local sheep in United Arab Emirates. Small. Rumin. Res. 39: 219-224.
2. BURFENING, P.J.; KRESS, D.D., 1993: Direct and maternal effects on birth and weaning weight in sheep. Small. Rumin. Res. 10; 153-163.
3. BURFENING, P.J.; KRESS, D.D.; FRIEDRICH, R.L., 1981: Calving ease and growth rate of Simmentalsired calves. III. Direct and maternal effects. J. Anim. Sci. 53; 1210-1216.
4. GROENEVELD, E., 1998: VCE4, User's Guide and Reference Manual Version 1.3. Institute of Animal Husbandry and Animal Behaviour, Mariensee, Germany, 61 pp.
5. GROTHEER, V.; RÖHE, R.; KALM, E., 1997: Entwicklung einer Zuchtwertschätzung für Fleischrinder in Deutschland. 2. Mitteilung: Schätzung genetischer Parameter. Züchtungskunde. 69; 349-365.
6. GUTIERREZ, J.P.; CANON, J.; GOYACHE, F., 1997: Estimation of direct and maternal genetic parameters for preweaning traits in Asturiana de los Valles beef cattle breed through animal and sire models. J. Anim. Breed. Genet. 114; 261-266.
7. HASSEN, Y.; SÖLKNER, J.; FUERST-WALTL, B., 2002: Performance of pure and crossbred Jambs under station and village conditions in Ethiopia: birth weight, pre-weaning daily gain and weaning weight with genotype environment interaction. Small Rumin. Res. (submitted).
8. KHALDI, G.; BOICHARD, D., 1991: Direct and maternal effects of growth traits in Barbary sheep. Anim. Breed. Abstr. 59, 237 (Abstract 1785).
9. MARIA, G.A.; BOLDMAN, K.G.; 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.
10. MAVROGENIS, A.P.; CONSTANTINOU, A.; LOUCA, A., 1984: Environmental and genetic causes of variation in production traits of Damascus goats. I. Pre-weaning and post-weaning growth. Anim. Prod. 38, 91-98.
11. MEYER, K., 1992: Variance components due to direct and maternal effects for growth traits of Australian beef cattle. Livest. Prod. Sci. 31; 179-204.
12. MEYER, K., 1993: Covariance matrices for growth traits of Australian Polled Hereford cattle. Anim. Prod. 57; 37-45.
13. MOHIUDDIN, G., 1993: Estimates of genetic and phenotypic parameters of some performance traits in beef cattle. Anim. Breed. Abstr. 61; 495-522.
14. MRODE, R.A.; THOMPSON, R., 1990: Genetic parameters for body weight in beef cattle in Britain. Proc. 4th World Congress on Genetics Applied to Livestock Production. Edinburgh, UK, vol. XV, pp. 271-275.
15. NÄSHOLM, A.; DANELL, Ö., 1994: Maternal effects on lamb weights. Proc. 5th World Congress on Genetics Applied to Livestock Production, Guelph, Canada, vol. 18, pp. 163-166.
16. 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.
17. QUAAS, R.L.; ELZO, M.A.; POLLAK, E.P., 1985: Analysis of Simmental data: estimation of direct and maternal (co)variances. J. Anim. Sci. 61 (Suppl. 1): 221(Abstract).
18. ROBINSON, D.L., 1996: Models which might explain negative correlations between direct and maternal genetic effects. Livest. Prod. Sci. 45; 111-122.
19. SAS, 1999: SAS/STAT User's Guide, Version 8, SAS Institute Inc., Cary, NC, USA.
20. SCHOEMAN, S.J.; ELS, J.F.; van NIEKERK, M.M., 1997: Variance components of early growth traits in the Boer goat. Small. Rumin. Res. 26, 15-20.
21. SINHA, N.K.; SINGH, S.K., 1997: Genetic and phenotypic parameters of body weights, average daily gains and first shearing wool yield in Muzaffarnagri sheep. Small. Rumin. Res. 26: 21-29.
22. SKRYPZECK, H.; SCHOEMAN, S.J.; JORDAAN, G.F.; NESER, F.W.C., 2000: Pre-weaning growth traits of the Hereford breed in a multibreed composite beef cattle population. S. Afr. J. Anim. Sci. 30: 220-229.
23. 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.
24. SWALVE, H.M., 1993: Estimation of direct and maternal (co)variance components for growth traits in Australian Simmental beef cattle. J. Anim. Breed. Genet. 110: 241-252.
25. SWAN, A.A.; HICKSON, J.D., 1994: Maternal effects in Australian Merinos. Proc. 5th World Congress on Genetics Applied to Livestock Production, Guelph, Canada, vol. 18: pp 143-146.
26. TOSH, J.J.; KEMP, R.A., 1994: Estimation of variance components for lamb weights in three sheep populations. J. Anim. Sci. 72, 1184-1190.
27. 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. Afri. J. Anim. Sci. 23: 72-76.
28. 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.
29. WRIGHT, H.B.; POLLAK, E.J.; QUAAS, R.L., 1987: Estimation of variance and covariance components to determine heritabilities and repeatability of weaning weights in American Simmental cattle. J. Anim. Sci. 65: 975-981.
30. ZELEALEM, A., 1987: Comparative performance of indigenous Ethiopian, exotic, and crossbred sheep, and estimation of genetic and environmental parameters. MSc Thesis, University of New South Wales, Australia.