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Title: Genetic Correlations Across Ages for Greasy Fleece Weight and Fibre Diameter in Merino Sheep
Contributor(s): Brown, Daniel  (author)orcid ; Swan, Andrew  (author)orcid ; Gill, J S (author)
Publication Date: 2013
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Field of Research (FoR) 2008: 070201 Animal Breeding
Field 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
Abstract: While adult wool production is a key determinant of profitability of Merino flocks, much of the on-farm recording through MERINOSELCT is focused on assessments at 12 or 18 months of age. While there have been numerous studies in research flocks examining these relationships these results have not been validated in industry flocks. The aim of this paper was to investigate the genetic correlations between multiple age expressions of fibre diameter and greasy fleece weight using the MERINOSELECT database. The results support earlier research in that, while the correlations across ages are generally very high they also suggest that at least one adult assessment of fleece weight and fibre diameter would be beneficial for the breeding program. As a result of this work the genetic evaluation for Sheep Genetics will be modified to include annual expressions of adult fleece traits.
Publication Type: Conference Publication
Conference Details: 20th Conference of the Association for the Advancement of Animal Breeding and Genetics: Translating Science into Action, Napier, New Zealand, 20th - 23rd October, 2013
Source of Publication: Proceedings of the Twentieth Conference of the Association for the Advancement of Animal Breeding and Genetics, p. 110-113
Publisher: AAABG: Association for the Advancement of Animal Breeding and Genetics
Place of Publication: Palmerston North, New Zealand
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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Series Name: Proceedings of the AAABG ... Conference
Series Number : 20
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Appears in Collections:Animal Genetics and Breeding Unit (AGBU)
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