One hundred and thirty one sika deer reared in pen were fed with diet containing Cu 3.

为了证明梅花鹿铜缺乏综合征的发生与饲料铜含量的关系，以含铜3。

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One hundred and thirty one sika deer reared in pen were fed with diet containing Cu 3.

为了证明梅花鹿铜缺乏综合征的发生与饲料铜含量的关系，以含铜3。

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