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Poll genotype or phenotype are not associated with growth performance in tropical beef breeds

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Grant, T. and Johnston, D. (2022) Poll genotype or phenotype are not associated with growth performance in tropical beef breeds. In: Australian Association of Animal Sciences 34th Biennial Conference 2022, 5–7 July 2022, Cairns, Queensland.

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Publisher URL: https://www.publish.csiro.au/AN/pdf/ANv62n11abs

Abstract

Increasingly the northern beef industry is selecting for more polled animals. However, a common industry perception
is this selection will be associated with decreased performance. Single trait selection for any trait can lead to genetically inferior animals and this could occur if selection was only to occur for polled. From a selection viewpoint it is important to establish if the polled locus is genetically linked to other economically important traits. The recording and design of the Repronomics project (Johnston et al. 2017) provides a unique dataset to examine the association between polled status (both genotypic and phenotypic) and early growth traits. This was achieved by analysing the effects of polled status within large half sib-families where the polled gene is segregating in 3 tropically adapted beef breeds (viz. Brahman, Droughtmaster and Santa Gertrudis).

Item Type:Conference or Workshop Item (Paper)
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Business groups:Animal Science
Subjects:Animal culture > Breeding and breeds
Animal culture > Cattle > Meat production
Live Archive:06 Feb 2024 03:53
Last Modified:06 Feb 2024 03:53

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