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|Title:||Optimising selection on growth and carcase development trajectories in lamb||Contributor(s):||Fischer, Troy (author); Van Der Werf, Julius Herman (author)||Publication Date:||2005||Handle Link:||https://hdl.handle.net/1959.11/4523||Abstract:||Net benefit of response to selection for weight, fat and eye muscle depth measured at different ages was optimized for lamb production systems. Optimised selection response and profit were compared for an index based on random regression coefficients relating to the whole growth trajectory and an index based on breeding value for weight, fat and muscle at 200 days. Three different price structures were considered with various premiums for fat and muscle. No significant additional benefit was gained from using random regression breeding value over selection for traits at 200 days of age for a terminal sire breeding objective. However more additional benefit might be expected for a case where maternal performance is considered in the objective or when feed costs are high.||Publication Type:||Conference Publication||Conference Name:||16th Conference of the Association for the Advancement of Animal Breeding and Genetics, Noosa Lakes, Australia, 25th September - 28th September, 2005||Source of Publication:||Application of new genetic technologies to animal breeding: Proceedings of the 16th Conference of the Association for the Advancement of Animal Breeding and Genetics, p. 196-199||Publisher:||CSIRO Publishing||Place of Publication:||Victoria, Australia||ISSN:||1328-3227||Field of Research (FOR):||070201 Animal Breeding||Peer Reviewed:||Yes||HERDC Category Description:||E1 Refereed Scholarly Conference Publication||Other Links:||http://www.aaabg.org/livestocklibrary/2005/196fischer.pdf
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