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Transferring quantitative trait loci mapping technology into commercial pig populations

Reference	SLP09293
Principal Investigator / Supervisor	Professor Peter Visscher
Co-Investigators / Co-Supervisors	Professor Christopher Haley
Institution	University of Edinburgh
Department	Inst of Ecology and Resource Management
Funding type	Research
Value (£)	86,011
Status	Completed
Type	Research Grant
Start date	01/09/1998
End date	01/03/2001
Duration	30 months

Abstract

Chromosome regions which are associated with differences in growth and fatness traits in crosses between divergent breeds of pigs will be targeted for associations with traits of economic importance in commercial lines of pigs from five leading UK pig breeding companies. The proposed project will test the genetic hypothesis that the same quantitative trait loci (QTLs) which are associated with traits of economic importance in crosses between species or genetically distant breeds will also be responsible for trait variation within commercial lines. To reduce the cost of marker genotyping, the experiment is designed using a form of selective genotyping, i.e. animals which are in the bottom or top 20% of the distribution for 'growth from birth until end of test' will be genotyped. Novel statistical methods will be applied in the analysis of the data, by adapting linear regression techniques to take account of selective genotyping. This research will show livestock breeding companies a route by which results from strategic QTL mapping research can be transferred into practical application.

Summary

unavailable

Committee	Closed Committee - Agri-food (AF)
Research Topics	X – not assigned to a current Research Topic
Research Priority	X – Research Priority information not available
Research Initiative	LINK: Sustainable Livestock Production (SLP) [1996-2010]
Funding Scheme	X – not Funded via a specific Funding Scheme

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