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畜牧人

標題: 奶牛初乳應該擠多少最好???? [打印本頁]
作者: w25993089    時間: 2010-3-16 09:10
標題: 奶牛初乳應該擠多少最好????
奶牛初乳應該擠多少最好????擠多了對奶牛有壞處么?
作者: teapot314    時間: 2010-3-16 09:33
這要看那種牛，還要看生長周期！具體的我不知道!



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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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