Additional considerations to the use of single-step genomic predictions in a dominance setting.
bias
dominance relationships
matrix compatibility
prediction accuracy
Journal
Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie
ISSN: 1439-0388
Titre abrégé: J Anim Breed Genet
Pays: Germany
ID NLM: 100955807
Informations de publication
Date de publication:
Nov 2019
Nov 2019
Historique:
received:
05
03
2019
revised:
23
04
2019
accepted:
03
05
2019
pubmed:
5
6
2019
medline:
29
2
2020
entrez:
5
6
2019
Statut:
ppublish
Résumé
Recent publications indicate that single-step models are suitable to estimate breeding values, dominance deviations and total genetic values with acceptable quality. Additive single-step methods implicitly extend known number of allele information from genotyped to non-genotyped animals. This theory is well derived in an additive setting. It was recently shown, at least empirically, that this basic strategy can be extended to dominance with reasonable prediction quality. Our study addressed two additional issues. It illustrated the theoretical basis for extension and validated genomic predictions to dominance based on single-step genomic best linear unbiased prediction theory. This development was then extended to include inbreeding into dominance relationships, which is a currently not yet solved issue. Different parametrizations of dominance relationship matrices were proposed. Five dominance single-step inverse matrices were tested and described as C
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
430-440Subventions
Organisme : Fonds De La Recherche Scientifique - FNRS
ID : PDR T. 1053-15
Informations de copyright
© 2019 Blackwell Verlag GmbH.
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