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畜牧人

標(biāo)題: 預(yù)混料與蛋雞掉毛的可能原因分析？ [打印本頁(yè)]
作者: zhou7550    時(shí)間: 2011-1-3 23:30
標(biāo)題: 預(yù)混料與蛋雞掉毛的可能原因分析？
預(yù)混料什么原因會(huì)導(dǎo)致蛋雞掉毛很嚴(yán)重？請(qǐng)高手分析一下
作者: hujinshui    時(shí)間: 2011-1-4 08:34
和鋅是否有關(guān)
作者: 王軍20110110    時(shí)間: 2011-1-25 19:16
gfgtftff
作者: shiwenhua    時(shí)間: 2011-4-21 19:55
含硫氨基不足，或缺鋅



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