reviewJournal of Dairy ScienceJan 22, 2009BRONZE OA

Invited review: Genomic selection in dairy cattle: Progress and challenges

BJBen J. HayesPBP.J. BowmanAJAmanda J. ChamberlainMEMichael E. Goddard

Department of Primary Industries and Regional Development · The University of Melbourne

PubMed
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Abstract

A new technology called genomic selection is revolutionizing dairy cattle breeding. Genomic selection refers to selection decisions based on genomic breeding values (GEBV). The GEBV are calculated as the sum of the effects of dense genetic markers, or haplotypes of these markers, across the entire genome, thereby potentially capturing all the quantitative trait loci (QTL) that contribute to variation in a trait. The QTL effects, inferred from either haplotypes or individual single nucleotide polymorphism markers, are first estimated in a large reference population with phenotypic information. In subsequent generations, only marker information is required to calculate GEBV. The reliability of GEBV predicted in…

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Topics & keywords

Topics
Keywords
  • Heritability
  • Best linear unbiased prediction
  • Quantitative trait locus
  • Biology
  • Selection (genetic algorithm)
  • Population
  • Trait
  • Genomic selection
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