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日粮Cu、Fe、Zn、Mn含量对产蛋鸡蛋品质的影响

张楠,姚军虎,程妮,安晓芳,孙小琴,刘玉瑞,王耀杰

Poultry Husbandry and Disease Control（2006）

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Abstract
微量元素Cu、Fe、Zn、Mn是影响人和动物营养的重要因素.世界上有些组织(如德国DLG、英国ARC、美国NRC)一直致力于研究蛋鸡Cu、Fe、Zn、Mn的需要量.NRC(1994)推荐的蛋鸡产蛋期微量元素需要量为:Cu未定,Fe为45mg/kg,Zn为35mg/kg,Mn为20mg/kg.为了提高动物生产性能,现代养殖通常在动物基础日粮中添加高剂量Cu、Fe、Zn、Mn.
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