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International Journal of Poultry Science
Year: 2018  |  Volume: 17  |  Issue: 3  |  Page No.: 140 - 146

Influence of Dietary Vitamin A, Zinc and Copper on Productive and Reproductive Performance of Broiler Breeders

O.M. El-Husseiny, A.Z.M. Soliman, H.M.R. El-Sherif and A.M. Fouad    

Abstract: Objective: The study was designed to investigate the impact of selected essential micronutrients, vitamin A, zinc (Zn) and copper (Cu), on productive and reproductive performance of broiler breeders from 53-72 weeks of age. Materials and Methods: Total number of 96 broiler breeders (72 ♀ and 24 ♂) at 53 weeks of age, were randomly assigned to 8 equal groups of 9 hens each, divided into 3 replicate. The experiment was conducted in a 2×2×2 factorial arrangement of the dietary treatments. Eight experimental diets were formulated using two levels of vitamin A (12500 and 25000 IU kg–1), two levels of Zn (132 and 264 mg kg–1) and two levels of Cu (15.7 and 31.4 mg kg–1) in this study. Results: The diet containing 12500 vitamin A IU kg–1+264 Zn mg kg–1+15.7 Cu mg kg–1 resulted in the best productive (egg production, egg mass and feed conversion ratio) and reproductive performance (fertility, hatchability and day-old chick weight). The optimal level of vitamin A, Zn and Cu resulted 12500 vitamin A IU kg–1, 264 Zn mg kg–1 and 15.7 Cu mg kg–1, respectively. Conclusion: Feeding diet containing 12500 vitamin A IU kg–1, 264 Zn mg kg–1 and 15.7 Cu mg kg–1 would produce best productive and reproductive performances of Cairo B-2 broiler breeders.

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