Direct responses in breeding values to selection of ostriches for liveweight and reproduction

Australian Journal of Experimental Agriculture

Volumn 48, Issue 10, 2008, Pages 1314-1319

  Cloete, S W P ^a,b   Brand, Z ^a,c   Bunter, K L ^d   Malecki, I A ^e  

^a STELLENBOSCH UNIVERSITY   (South Africa)

^b Institute for Animal Production   (South Africa)

^c Institute for Animal Production   (South Africa)

^d UNIVERSITY OF NEW ENGLAND   (Australia)

^e UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

AGRICULTURAL PRODUCTION; BIRD; BREEDING SEASON; COMMERCIAL SPECIES; EGG PRODUCTION; GENETIC STRUCTURE; GENETIC VARIATION; HATCHING DATE; HERITABILITY; REGRESSION ANALYSIS; REPRODUCTIVE BEHAVIOR;

AFRICA; OUDTSHOORN; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA; WESTERN CAPE;

ANIMALIA; AVES; STRUTHIONIFORMES;

EID: 51649103485     PISSN: 08161089     EISSN: None     Source Type: Journal    
DOI: 10.1071/EA08124     Document Type: Conference Paper

References (16)

1. Banks RG (2005) Challenges with investing in genetic improvement for the Australian extensive livestock industries. Australian Journal of Experimental Agriculture 45, 1033-1039. doi:10.1071/EA05072
2. Brand Z, Brand TS, Brown CR (2003) The effect of energy and protein levels on production in breeding female ostriches. British Poultry Science 44, 598-606. doi:10.1080/00071660310001618343
3. Bunter KL (2002) The genetic analysis of reproduction and production traits recorded for farmed ostriches (Struthio camelus). PhD Thesis, University of New England, Armidale, Australia.
4. Bunter KL, Cloete SWP (2004) Genetic parameters for egg-, chick- and live-weight traits recorded in farmed ostriches (Struthio camelus). Livestock Production Science 91, 9-22. doi:10.1016/j.livprodsci.2004.06.008
5. Bunter KL, Cloete SWP, Van Schalkwyk SJ, Graser H-U (2001) Factors affecting reproduction in farmed ostriches. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 14, 43-46.
6. Cloete SWP, Van Schalkwyk SJ, Brand Z (1998) Ostrich breeding - progress towards a scientifically-based strategy. In 'Proceedings of the 2nd international ratite congress, 21-25 September 1998, Oudsthoorn'. pp. 55-62.
7. Cloete SWP, Bunter KL, Brand Z, Lambrechts H (2004) (Co)variances for reproduction, egg weight and chick weight in ostriches. South African Journal of Animal Science 34(Suppl. 2), 17-19.
8. Cloete SWP, Bunter KL, Brand Z (2005a) Genetic parameters for reproduction in ostriches. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 16, 132-155.
9. Cloete SWP, Bunter KL, Brand Z (2005b) Phenotypic performance of ostrich females selected for liveweight or chick production relative to an unselected control line. In 'Proceedings of the 3rd international ratite science symposium and 12th world ostrich congress, 14-16 October 2005, Madrid, Spain'. (Ed. E Carbajo) pp. 99-104.
10. Cloete SWP, Bunter KL, Lambrechts H, Brand Z, Swart D, Greyling JPC (2006) Variance components for liveweight, body measurements and reproductive traits of pair-mated ostrich females. British Poultry Science 47, 147-158. doi:10.1080/00071660600610658
11. Cloete SWP, Engelbrecht A, Olivier JJ, Bunter KL (2008) Deriving a preliminary breeding objective for commercial ostriches: an overview. Australian Journal of Experimental Agriculture 48, 1247-1256. doi:10.1071/EA08135
12. Gilmour AR, Cullis BR, Welham SJ, Thompson R (1999) ASREML - reference manual. NSW Agriculture Biometric Bulletin No. 3. NSW Agriculture, Orange Agricultural Institute, Forest Road, Orange, NSW.
13. Lambrechts H (2004) Reproduction efficiency of ostriches in commercial farming systems. PhD Thesis, University of the Free State, Bloemfontein, South Africa.
14. Olivier TR, Brand TS, Cloete SWP, Brand Z, Aucamp BB (2007) The influence of diet protein on the production of breeding ostriches (Struthio camelus). In 'Abstracts of the mini congress of the South African Society for Animal Production, 25-27 July 2007, Klein Kariba, Bela Bela'. (CD-ROM)
15. Van Schalkwyk SJ, Cloete SWP, De Kock JA (1996) Repeatability and phenotypic correlations for liveweight and reproduction in commercial ostrich breeding pairs. British Poultry Science 37, 953-962. doi:10.1080/00071669608417926
16. Van Schalkwyk SJ, Cloete SWP, Brown CR, Brand Z (2000) Hatching success of ostrich eggs in relation to setting, turning and angle of rotation. British Poultry Science 41, 46-52. doi:10.1080/00071660086394