Abstract:The objective of this study was to estimate genetic and phenotypic correlations amongst traits in layer type chickens under reciprocal recurrent selection. Matings within pure male line and female lines were carried out to produce purebred male line (AA x AA) and female line (BB x BB). A total of 364 pullets arising from 207 hens and 23 cocks in generation 1 and 440 pullets from 70 hens and 10 cocks in generation 2 under selection were monitored in individual cage units for part period egg production up to 280… Show more
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