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Conséquences génétiques de la production de larves d'huîtres en écloserie : étude des processus de dérive et de sélection ArchiMer
Taris, Nicolas; Sauvage, Christopher; Batista, Frederico; Baron, Sophie; Ernande, Bruno; Haffray, Pierrick; Boudry, Pierre.
Previous studies have shown heritable variation in larval developmental traits in the Pacific oyster Crassostrea gigas. In order to study the genetic consequences of production of oyster larvae in hatcheries, two factors, specific to hatcheries, were examined: the effect of discarding the smallest larvae (i.e. culling) and the effect of temperature (20°C versus 26°C). A mixed-family approach was used in order to infer the genetic composition of larval populations and family assignment, limiting possible environmental bias and allowing the study of a relatively large number of families using a limited number of larval tanks. Our results show that three multiplexed highly polymorphic microsatellite markers are a powerful tool for family assignment and,...
Tipo: Text Palavras-chave: Hatchery; Genetic diversity; Selection domestication; Larvae; Crassostrea gigas; Ecloserie; Diversité génétique; Sélection domestication; Larve; Crassostrea gigas.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/acte-1505.pdf
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