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Different Selection Strategies for the Improvement of the Growth Performance and Carcass Traits of Japanese Quails 89
Ahmad,S; Mehmood,S; Javed,K; Mahmud,A; Usman,M; Rehman,A; Ishaq,HM; Hussain,J; Ghayas,A.
ABSTRACT The present study evaluated different selection strategies to improve the growth performance and carcass traits of Japanese quails. To this end, 540 Japanese quails previously selected for high body weight at three ages (10, 12 and 14 weeks) from four close-bred flocks (Major, Kaleem, Saadat and Zahid) were subjected to three selection strategies: pedigree-based, mass selection or random-bred (controls). For pedigree-based selection, 108 birds (4 close-bred flocks × 3 age groups × 9 replicates × 1 bird each) with full pedigree and selected for high body weight were used, whereas in mass selection 324 birds (4 close-bred flocks × 3 age groups × 9 replicates × 3 birds each) with high body weight were selected to be the parents of next generation....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pedigree Selection; Mass Selection; Parental Age groups; Close-bred Flocks; Feed Conversion Ratio; Carcass yield.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000300497
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