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https://hdl.handle.net/1959.11/29180| Title: | Estimating breeding values for animals with genotype only when genetic group effects are important | Contributor(s): | Swan, A A (author) ; Gurman, P M (author) ; Boerner, V (author); Brown, D J (author) ; Clark, S (author) ; Gore, K (author); Granleese, T (author); van der Werf, J H J (author) |
Publication Date: | 2018 | Open Access: | Yes | Handle Link: | https://hdl.handle.net/1959.11/29180 | Open Access Link: | http://www.wcgalp.org/proceedings/2018/estimating-breeding-values-animals-genotype-only-when-genetic-group-effects-are |
Abstract: | A method was developed to estimate breeding values for animals with genotype only by back-solving post analysis from the single step genomic BLUP model. A key feature of the method is a regression on genomic relationships to approximate genetic group contributions for animals without pedigree. In a test application it was found that flock genetic means for a range of key traits in Australian Merino sheep could be estimated with high accuracy from SNP genotypes from a sample of 20 animals (correlations usually exceeding 0.8). The genetic group approximation substantially improved accuracy for several traits, and helped to reduce bias in predicting flock genetic means across all traits. | Publication Type: | Conference Publication | Conference Details: | WCGALP 2018: 11th World Congress on Genetics Applied to Livestock Production, Auckland, New Zealand, 11th - 16th February, 2018 | Source of Publication: | Proceedings of the World Congress on Genetics Applied to Livestock Production, v.11, p. 1-6 | Publisher: | Massey University | Place of Publication: | Palmerston North, New Zealand | Fields of Research (FoR) 2008: | 070201 Animal Breeding | Fields of Research (FoR) 2020: | 300305 Animal reproduction and breeding | Socio-Economic Objective (SEO) 2008: | 830311 Sheep - Wool | Socio-Economic Objective (SEO) 2020: | 100413 Sheep for wool | Peer Reviewed: | Yes | HERDC Category Description: | E1 Refereed Scholarly Conference Publication | Publisher/associated links: | http://www.wcgalp.org/proceedings/2018 |
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| Appears in Collections: | Animal Genetics and Breeding Unit (AGBU) Conference Publication School of Environmental and Rural Science |
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