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畜牧人

標題: 種公牛配種后飲水問題 [打印本頁]
作者: carp20    時間: 2012-6-27 16:56
標題: 種公牛配種后飲水問題
求教高手，種公牛配種或是采精前后半個小時就給牛喂水會影響牛的健康，有這回事么？



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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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