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Ruy,Deborah Clea; Nones,Kátia; Baron,Erica Elias; Ledur,Mônica Corrêa; Melo,Cláudio Manoel Rodrigues de; Ambo,Marcel; Campos,Raquel de Lello Rocha; Coutinho,Luiz Lehmann. |
Selective genotyping for a certain trait in individuals with extreme phenotypes contributes sufficient information to determine linkage between molecular markers and quantitative trait loci (QTL). In this experiment an F2 population, developed by crossing males from a broiler line with females from a layer line, was employed to detect QTL on chromosomes 3 and 5. Twenty-eight performance and carcass traits were measured in F2 offspring, and phenotypic correlations between traits were calculated. Body weight at 42 days (BW42) presented the greatest positive correlations with most other traits, with correlation between body weights at 35 and 41 days, weight gain between birth and 35, 41 and 42 days, as well as weights of carcass and some body parts superior... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: QTL; Broiler; Selective genotyping; Body weight. |
Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162005000200003 |
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