Egg production in naked-neck Creole (Nana) hens and in those with normal plumage (nana) in the region of the Mexican plateau
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Abstract
weight of the hen when laying the first egg, the weight of the egg, the egg production per bird in cage, or in the eggshell quality. It was
considered that, in the plateau conditions in the central area of the Michoacan state, the naked neck Creole hens (Nana) had better productive performance than those with normal plumage (nana), although they were similar as to the egg weight and the eggshell characteristics.
Key words: naked neck gene, environmental temperature, Mexican plateau, egg production.
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