Body weight and growths curve parameters evaluation of three chicken genotypes (Gallus gallus domesticus) reared in claustration
Aya Lydie Ndri, Bekoin Hermann Wenceslas Koua, Valencourt Simon Ahouchi, Abouo Beatrice Adepo-Gourene.
Abstract
Objective: The current study was undertaken to evaluate intensively reared indigenous slow-growing normally feathered (I-nana), commercial heterozygous naked neck (C-Nana), and commercial normally feathered (C-nana) chicken for their body weight and growth curve parameters.
Material and methods: A total of 132 birds were used in this study. Specifically, chickens flock consisting of 21 I-nana (8 males and 13 females), 20 C-Nana (8 males and 12 females) and 91 C-nana chickens (32 males and 59 females) were marked individually and reared together in a single room under uniform feeding, care and management. Body weight of individual hen and rooster of each genotype was measured weekly up to 12 weeks of age and then at 30 weeks of age. Parameters of growth curve were determined using Gompertzs equation.
Results: Commercial heterozygous naked neck and commercial normally feathered chickens exhibited significantly (P
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