Turkish Journal of Veterinary & Animal Sciences

A Research on Egg Qualities of Early Age Force Molted Commerical Layer




The primary aim of this research is to investigate egg qualities of a commercial layer which was force molted as a result of depressed egg prices. Variations in some egg-shell quality measurements related to age and their interactions were also searched. During the experiment, 1640 white laying hens were housed in three-tier cages and fed with a standard layer ration throughout the laying period. Forced molting based on feed and light restrictions was induced on the 38 th week. Egg yield was recorded daily throuhout the experiment. Egg weight, specific gravity, form index, shell weight and shell thickness were measured with two week intervals on a random sample of 80 eggs which was selected 6 times during the molting and 12 times during the post molting. Egg yield in the second laying period following the forced molting was found to be above the common standards of the hybrids used. Egg weight and egg shell weight showed significant (P


Force molting, egg layer, egg quality

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