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

畜牧人

標題: 促進生長速度的添加劑 [打印本頁]
作者: 聶文    時間: 2009-3-21 19:53
標題: 促進生長速度的添加劑
今天客戶問我有關能促進生長育肥豬生長速度的添加劑，大家有這方面確實有效的添加劑嗎？
作者: snygx    時間: 2009-3-21 20:29
這種添加劑多了  比如抗菌素類 益生素  寡糖等
作者: 泥鰍    時間: 2009-3-21 21:29
要正確的評價,關鍵是能創造多少價值



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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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