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Title: Use of genomic data to determine breed composition of Australian sheep
Contributor(s): Gurman, Phillip (author); Swan, Andrew  (author)orcid ; Boerner, Vinzent  (author)
Publication Date: 2017
Open Access: Yes
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Abstract: The Australian sheep industry is characterised by the use of many sheep breeds and regular crossing among them. For the purposes of genetic evaluation, sheep are currently assigned breed proportions based on pedigree. SNP genotypes have been used in many applications to reveal population structure including livestock breeds. In this paper, we investigate the use of SNP genotypes to determine breed structure in Australian sheep breeds using the genotype database assembled for genetic evaluation. Algorithms implemented in two software programs, ADMIXTURE and BreedComp were able to identify sheep breeds and genetic groups within the Merino breed. These results can potentially lead to more accurate identification of breed content, and more accurate predictions of breeding value through improved allocation to genetic groups.
Publication Type: Conference Publication
Conference Details: AAABG 2017: 22nd Conference of the Association for the Advancement of Animal Breeding and Genetics, Townsville, Australia, 2nd - 5th July, 2017
Source of Publication: Proceedings of the Association for the Advancement of Animal Breeding and Genetics, v.22, p. 341-344
Publisher: Association for the Advancement of Animal Breeding and Genetics (AAABG)
Place of Publication: Armidale, Australia
ISSN: 1328-3227
Fields of Research (FoR) 2008: 070201 Animal Breeding
Fields of Research (FoR) 2020: 300305 Animal reproduction and breeding
Socio-Economic Objective (SEO) 2008: 830310 Sheep - Meat
830311 Sheep - Wool
Socio-Economic Objective (SEO) 2020: 100412 Sheep for meat
100413 Sheep for wool
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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Appears in Collections:Animal Genetics and Breeding Unit (AGBU)
Conference Publication

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