Influence of Dietary Vitamin A, Zinc and Copper on Productive and Reproductive Performance of Broiler Breeders
نویسندگان
چکیده
منابع مشابه
Effect of Dietary Vitamin A on Reproductive Performance and Immune Response of Broiler Breeders
The effects of dietary vitamin A supplementation on reproductive performance, liver function, fat-soluble vitamin retention, and immune response were studied in laying broiler breeders. In the first phase of the experiment, 1,120 Ross-308 broiler breeder hens were fed a diet of corn and soybean meal supplemented with 5,000 to 35,000 IU/kg vitamin A (retinyl acetate) for 20 weeks. In the second ...
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Effect of Dietary Organic Zinc and Prebiotic on Productive Performance and Immune Response of Growing Quails
The aim of the present study was to investigate the possibility of improvingproductive performance and immunity of growing Japanese quailreared during summer in Egypt by supplementing the diets with organic zinc (Bioplex zinc) and prebiotic (mannan oligosaccharides). Diets were a basal diet or the basal diet supplemented with 20 mg Bioplex zinc (3.0 mg Zn) (Zn1), 40 mg Bioplex zinc (6.0 mg Zn) ...
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ژورنال
عنوان ژورنال: International Journal of Poultry Science
سال: 2018
ISSN: 1682-8356
DOI: 10.3923/ijps.2018.140.146