Genomic selection in commercial pig breeding

Egbert Frank Knol; Bjarne Nielsen; Pieter W. Knap

doi:10.2527/af.2016-0003

Genomic selection in commercial pig breeding

Egbert Frank Knol, Bjarne Nielsen, Pieter W. Knap^*

^*Corresponding author af dette arbejde

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

102 Citationer (Scopus)

Abstract

• Leading pig breeding companies have implemented single-step evaluation for genomic selection. Overall, this increases EBV accuracies by half. • Further improvement requires focus on trait- and line-specific QTLs, exploitation of crossbred performance for non-additive genetic effects, and training for hard-to-measure traits. • The multi-breeding-company multi-line crossbred pig production structure limits very high accuracies. Increased genotyping and phenotyping will lead to improved training data and may increase accuracies by two-thirds rather than half. • Novel technologies will allow for genotyping all selection candidates, reducing the generation interval and emphasizing the need for inbreeding control, more efficient breeding structures, and higher selection intensities.

Originalsprog	Engelsk
Tidsskrift	Animal Frontiers
Vol/bind	6
Nummer	1
Sider (fra-til)	15-22
Antal sider	8
ISSN	2160-6056
DOI	https://doi.org/10.2527/af.2016-0003
Status	Udgivet - 1 jan. 2016
Udgivet eksternt	Ja

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AU - Nielsen, Bjarne

AU - Knap, Pieter W.

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PY - 2016/1/1

Y1 - 2016/1/1

N2 - • Leading pig breeding companies have implemented single-step evaluation for genomic selection. Overall, this increases EBV accuracies by half. • Further improvement requires focus on trait- and line-specific QTLs, exploitation of crossbred performance for non-additive genetic effects, and training for hard-to-measure traits. • The multi-breeding-company multi-line crossbred pig production structure limits very high accuracies. Increased genotyping and phenotyping will lead to improved training data and may increase accuracies by two-thirds rather than half. • Novel technologies will allow for genotyping all selection candidates, reducing the generation interval and emphasizing the need for inbreeding control, more efficient breeding structures, and higher selection intensities.

AB - • Leading pig breeding companies have implemented single-step evaluation for genomic selection. Overall, this increases EBV accuracies by half. • Further improvement requires focus on trait- and line-specific QTLs, exploitation of crossbred performance for non-additive genetic effects, and training for hard-to-measure traits. • The multi-breeding-company multi-line crossbred pig production structure limits very high accuracies. Increased genotyping and phenotyping will lead to improved training data and may increase accuracies by two-thirds rather than half. • Novel technologies will allow for genotyping all selection candidates, reducing the generation interval and emphasizing the need for inbreeding control, more efficient breeding structures, and higher selection intensities.

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VL - 6

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JO - Animal Frontiers

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Genomic selection in commercial pig breeding

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