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畜牧人

標題: 求教：公雞斷羽很多怎么回事 [打印本頁]
作者: hss0006    時間: 2010-8-11 07:09
標題: 求教：公雞斷羽很多怎么回事
90日齡左右閹公雞羽毛折斷較多,請教有何原因,謝謝!
作者: fengjinchen    時間: 2010-8-11 07:38
比例大嗎？營養因素請考慮含硫氨基酸：如蛋氨酸等；



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亚洲日韩精品无码专区网站_亚洲日本一区二区_亚洲Av无码专区国产乱码DVD_亚洲精品永久在线观看 
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