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Unraveling genomic associations with feed efficiency and body weight traits in chickens through an integrative approach.

Gabriel Costa Monteiro MoreiraMirele Daiana PoletiFábio PértilleClarissa BoschieroAline Silva Mello CesarThaís Fernanda GodoyMônica Corrêa LedurJames M ReecyDorian J GarrickLuiz Lehmann Coutinho
Published in: BMC genetics (2019)
The use of a high-density SNP array to identify QTL which were integrated with whole genome sequence signatures of selection allowed the identification of candidate genes and candidate causal variants. One novel QTL was detected providing additional information to understand the genetic architecture of body weight traits. We identified QTL for body weight traits, which were also associated with fatness in the same population. Our findings form a basis for further functional studies to elucidate the role of specific genes in regulating body weight and fat deposition in chickens, generating useful information for poultry breeding programs.
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