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畜牧人

標題: 奶牛公犢 [打印本頁]
作者: 界一    時間: 2010-12-23 10:23
標題: 奶牛公犢
奶牛公牛除了被埋掉做血清和生產白牛肉低成本育肥不行嗎
作者: yyy860615    時間: 2010-12-23 10:32
奶牛的采食量比較大，如果規模飼養應該有難度，育肥效果有些慢



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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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