Article
Heritabilities and genetic and phenotypic correlations of egg quality traits in brown-egg dwarf layers.
Poultry science - 1 Aug 2005
Zhang L C, Ning Z H, Xu G Y, Hou Z C, Yang N
Abstract excerpt
Albumen height, albumen weight (AW), eggshell color (ESC), eggshell index, eggshell strength, eggshell thickness, eggshell weight (ESW), egg weight (EW), Haugh units, and yolk weight (YW) were measured in 2,272 eggs collected 3 d sequentially from 920 brown-egg dwarf layers caged individually. The restricted maximum likelihood procedure was applied to estimate heritabilities and genotypic and phenotypic...
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