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Year : 1995
Tome : 146
Volume : 11
Pages : 715-722
Title : Evolutions of selection objective for pig breeding in France.Consequences on expected genetic changes.
Authors : A. Ducos
Summary : The definition of breeding objective is a prerequisite to the development of an animal breeding program. The program's efficiency depends on the unambiguity of the breeding objective selected. In this review we present the main critera most frequently used to select the traits for inclusion in the aggregate genotype, and the methods developed to estimate the relative economic importance of these traits. We show the evolution of selection objectives in French pig breeding programs over the last twenty years. The effects of including the trait prolificacy in the aggregate genotype, which is the latest evolution to date, are also discussed.
Keywords : selection objective - pig breeding - selection response.
Correspondence : A. Ducos
Adress : Département élevage et produits, ENVT, 23, chemin des capelles, 31076 Toulouse cedex

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