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Estimates of genetic parameters for egg quality traits in a commercial broiler line



Estimates of genetic parameters for egg quality traits in a commercial broiler line



Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006: 07-11



Genetic parameters for egg quality traits were estimated using REML procedures and animal model. From 110 hens at 32 weeks of age with known pedigree, 220 eggs (2 eggs from each hen) were collected for measuring egg weight (EW), yolk weight (YW), albumen weight (AW), shell thickness (ST) and shell strength (SS). Estimates of heritability varied from 0.23 for EW to 0.88 for SS. A very high genetic correlation was found between EW and YW (0.985) and ST and SS (0.965).

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