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Estimation of genetic parameters for egg production of laying hens with group cage records corrected for mortality



Estimation of genetic parameters for egg production of laying hens with group cage records corrected for mortality



Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006: 07-26



Heritabilities and genetic correlations based on group mean records were estimated, taking into account mortality. Three different definitions of group mean records, i.e. hen-housed production (HHP), HHP corrected for mortality (HHPc) and survivor hen production (SHP), were analysed in relation to SHP in single cages.

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Accession: 012786601

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