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Title: Increased genetic gains in sheep breeding programs from using female reproductive technologies combined with genomic selection
Contributor(s): Granleese, Tom  (author); Clark, Sam A  (author)orcid ; Van Der Werf, Julius H  (author)orcid 
Publication Date: 2014
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Abstract: Reproductive technologies such as MOET and JIVET can boost rates of genetic gain but they can also increase rates of inbreeding. We used optimal contribution selection to explore these potential benefits while managing inbreeding and we evaluated the synergies that exists between genomic selection (GS) and reproductive technologies. When selecting for a trait that can be measured early in life and on both sexes, GS combined with MOET and JIVET gave 46% more gain. When selecting on a late measured trait, use of MOET was not beneficial without GS. However, breeding programs combining GS with MOET or MOET + JIVET had increased genetic gain of 39% and 83%, respectively, while the inbreeding was limited to a 10% increase over 20 years. This provides evidence that reproductive technologies and genomic selection can be useful tools for nucleus breeders.
Publication Type: Conference Publication
Conference Name: WCGALP 2014: 10th World Congress on Genetics Applied to Livestock Production, Vancouver, Canada, 17th - 22nd August, 2014
Conference Details: WCGALP 2014: 10th World Congress on Genetics Applied to Livestock Production, Vancouver, Canada, 17th - 22nd August, 2014
Source of Publication: Proceedings of the 10th World Congress on Genetics Applied to Livestock Production (WCGALP) (Genetic Improvement Programs: Breeding objectives, economics of selection schemes, and advances in selection theory), p. 1-3
Publisher: American Society of Animal Science
Place of Publication: Champaign, United States of America
Field of Research (FOR): 070201 Animal Breeding
Socio-Economic Outcome Codes: 830310 Sheep - Meat
830311 Sheep - Wool
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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School of Environmental and Rural Science

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