扎加齐克大学兽医学期刊
期刊
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作者:Rania El Sayed
来源:[J].Zagazig Veterinary journal, 2017, Vol.45 (4)ZVJ
摘要:The goal of this study was to evaluate the effects of variable dietary metabolizable energy and crude protein concentrations on the performance, behaviour, expression of growth related genes and economic impact of broiler chickens. A total of 250 Cobb broiler chicks were divided ...

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