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Genomic selection in livestock populations

  • MICHAEL E. GODDARD (a1) (a2), BEN J. HAYES (a2) and THEO H. E. MEUWISSEN (a3)
Abstract
Summary

Most traits of economic importance in livestock are either quantitative or complex. Despite considerable efforts, there has been only limited success in identifying the polymorphisms that cause variation in these traits. Nevertheless, selection based on estimated breeding values (BVs), calculated from data on phenotypic performance and pedigree has been very successful. Genomic tools, such as single nucleotide polymorphism (SNP) chips, have led to a new method of selection called ‘genomic selection’ in which dense SNP genotypes covering the genome are used to predict the BV. In this review we consider the statistical methodology for estimating BVs from SNP data, factors affecting the accuracy, the long-term response to genomic selection and the design of breeding programmes including the management of inbreeding.

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Corresponding author
*Corresponding author: Department of Agriculture and Food Systems, University of Melbourne, Parkville 3010, Australia. e-mail: mike.goddard@dpi.viv.gov.au
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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

H. D. Daetwyler , J. M. Hickey , J. M. Henshal , S. Dominik , B. Gredler , J. H. J. van der Werf & B. J. Hayes (2010). Accuracy of estimated genomic breeding values for wool and meat traits in a multi-breed sheep population. Animal Science In press.

J. Yang , B. Beben , B. P. McEvoy , S. Gordon , A. K. Henders , D. R. Nyholt , P. F. Madden , A. C. Heath , N. G. Martin , G. W. Montgomery , M. E. Goddard & P. M. Visscher (2010). Missing heritability of human height explained by genomic relationships. Nature Genetics 42: 565569.

N. Yi & S. Xu (2008). Bayesian LASSO for quantitative trait loci mapping. Genetics 179, 10451055.

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Genetics Research
  • ISSN: 0016-6723
  • EISSN: 1469-5073
  • URL: /core/journals/genetics-research
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