Please use this identifier to cite or link to this item:
https://hdl.handle.net/1959.11/5273| Title: | Survival Analysis for Length of Productive Life of Beef Cows | Contributor(s): | Meyer, Karin (author) | Publication Date: | 2009 | Handle Link: | https://hdl.handle.net/1959.11/5273 | Abstract: | Survival analysis is applied to records for length of productive life of Angus cows, fitting several proportional hazards models. It is shown that a piece-wise Weibull model with a time-dependent stage effect can model the distinct annual culling pattern reasonably well. Analyses fitting a sire model suggest some genetic variability, with heritability estimates on the logarithmic scale ranging from 6 to 10%. Issues of data quality and the need for whole herd inventory recording are discussed. | Publication Type: | Conference Publication | Conference Details: | AAABG 2009: 18th Conference of the Association for the Advancement of Animal Breeding and Genetics, Barossa Valley, Australia, 27th September - 1st October, 2009 | Source of Publication: | Proceedings of the Association for the Advancement of Animal Breeding and Genetics, v.18, p. 608-611 | Publisher: | Association for the Advancement of Animal Breeding and Genetics (AAABG) | Place of Publication: | Armidale, Australia | ISSN: | 1328-3227 | Fields of Research (FoR) 2008: | 060412 Quantitative Genetics (incl Disease and Trait Mapping Genetics) 070201 Animal Breeding |
Socio-Economic Objective (SEO) 2008: | 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences 830301 Beef Cattle |
Peer Reviewed: | Yes | HERDC Category Description: | E1 Refereed Scholarly Conference Publication | Publisher/associated links: | http://www.aaabg.org/proceedings18/files/meyer608.pdf http://trove.nla.gov.au/work/36420775 http://aaabg.org/aaabg18/ |
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| Appears in Collections: | Animal Genetics and Breeding Unit (AGBU) Conference Publication |
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