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Title: Implementation of single-step genomic BREEDPLAN evaluations in Australian beef cattle
Contributor(s): Johnston, David  (author); Ferdosi, Mohammad  (author)orcid ; Connors, Natalie  (author)orcid ; Boerner, Vinzent  (author); Cook, Jim  (author); Girard, Christian  (author); Swan, Andrew  (author)orcid ; Tier, Bruce  (author)
Publication Date: 2018
Open Access: Yes
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Abstract: Single-step GBLUP (ssGBLUP) procedures have now been implemented into Australia's BREEDPLAN genetic evaluation system for beef cattle. This major remodelling required the development of many new features and modifications to existing procedures. The first requirement was the construction of a flexible but robust set of procedures for handling and processing of raw SNP genotypes to enable the construction of suitable genomic relationship matrices. The analytical processes were modified to replace with and for the explicit fitting of genetic groups. A new accuracy algorithm was developed and the solver was revised. Examples from Australian Angus and Brahman breeds comparing current BLUP evaluation with ssGBLUP are presented to show the resultant changes and effects of implementing the new genomic evaluations.
Publication Type: Conference Publication
Conference Name: World Congress on Genetics Applied to Livestock Production, Auckland, New Zealand, 07-11-FEB-2018
Conference Details: World Congress on Genetics Applied to Livestock Production, Auckland, New Zealand, 07-11-FEB-2018
Source of Publication: World Congress on Genetics Applied to Livestock Production, v.11, p. 269-277
Publisher: Massey University
Place of Publication: New Zealand
Field of Research (FOR): 060412 Quantitative Genetics (incl. Disease and Trait Mapping Genetics)
070199 Agriculture, Land and Farm Management not elsewhere classified
Socio-Economic Outcome Codes: 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences
839999 Animal Production and Animal Primary Products not elsewhere classified
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
School of Law
School of Science and Technology

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