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Effect of hen age, environmental temperature, and oviposition time on egg shell quality and egg shell and serum mineral contents in laying and broiler breeder hens
egg mineral composition serum minerals
2015/7/2
The aim of the study was to evaluate egg shell quality characteristics, mineral content in the egg shell, and serum mineral concentration during the egg formation process as influenced by oviposition ...
The effect of oviposition time and genotype on egg quality characteristics in egg type hens
laying hens genotype oviposition time egg quality
2015/6/4
In an experiment with three strains of Dominant genotype the effect of oviposition on egg quality characteristics was investigated. Laying hens of the Blue strain (group 1), Plymouth Rock (group 2) an...
Persistency of Laying Strain Building by Index Selection Including Oviposition Time as Selection Trait in Laying Hen
laying hen strain building selection oviposition time persistency of laying
2009/7/31
In this study a selection experiment was carried out in order to investigate the effectiveness of index selection including oviposition time as a selection trait for persistency of laying strain build...
