Article (Scientific journals)
Genotype by environment interaction in dairy cattle
Hammami, Hedi; Rekik, Boulbaba; Gengler, Nicolas
2009In Biotechnologie, Agronomie, Société et Environnement, 13 (1), p. 155-164
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Keywords :
Genotype by environment interaction; genetic correlation; reaction norm; dairy cattle; breed; selection
Abstract :
[en] The aim of this literature review was to identify the existence and scope of genotype by environment interaction (G x E) from reports on dairy cattle populations in different management systems, Methods applied to deal with G x E (controlled experiments and large data modeling) were discussed. A G x E was confirmed essentially when high differences between production environments and/or genotypes (genetically distant genotypes) were observed. Environmental effects were aggregated in most studies and identification of the components of the environment was largely unresolved, with only a few studies based on more definite-descriptors of environment. The implications of G x E on breeding decisions are discussed. Breeders should select genotypes on production traits within environmental conditions comparable to where candidate animals are intended to perform.
Disciplines :
Food science
Animal production & animal husbandry
Genetics & genetic processes
Author, co-author :
Hammami, Hedi ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Rekik, Boulbaba;  Ecole Supérieure d'Agriculture de Mateur, ESAM > Productions animales
Gengler, Nicolas  ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Language :
English
Title :
Genotype by environment interaction in dairy cattle
Publication date :
2009
Journal title :
Biotechnologie, Agronomie, Société et Environnement
ISSN :
1370-6233
eISSN :
1780-4507
Publisher :
Presses Agronomiques de Gembloux, Gembloux, Belgium
Volume :
13
Issue :
1
Pages :
155-164
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fund for Scientific Research [BE]
Available on ORBi :
since 09 October 2009

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