Increased genetic gains in sheep breeding programs from using female reproductive technologies combined with genomic selection

Title
Increased genetic gains in sheep breeding programs from using female reproductive technologies combined with genomic selection
Publication Date
2014
Author(s)
Granleese, Tom
Clark, Sam A
( author )
OrcID: https://orcid.org/0000-0001-8605-1738
Email: sclark37@une.edu.au
UNE Id une-id:sclark37
Van Der Werf, Julius H
( author )
OrcID: https://orcid.org/0000-0003-2512-1696
Email: jvanderw@une.edu.au
UNE Id une-id:jvanderw
Type of document
Conference Publication
Language
en
Entity Type
Publication
Publisher
American Society of Animal Science
Place of publication
Champaign, United States of America
UNE publication id
une:18936
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.
Link
Citation
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
Start page
1
End page
3

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