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畜牧人

標題: 產蛋下降 [打印本頁]
作者: 張安弟    時間: 2007-11-8 14:39
標題: 產蛋下降
這段時間我們這里的雞普遍產蛋下降,未見其它明顯病變,不知什么原因.希望大家指教.
作者: luyan520    時間: 2007-11-8 16:41
標題: 產蛋下降
你那是那的?天氣,病等也會引起產蛋下降,做H9了嗎?養有多少?



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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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