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畜牧人

標題: 如何提高蝦的生長速度? [打印本頁]
作者: fm000840    時間: 2007-7-25 21:22
標題: 如何提高蝦的生長速度?
黃霉素在蝦飼料中添加多少才能使其生長速度達到喹乙醇的效果?請前輩指教.
作者: joe    時間: 2007-7-29 10:26
好的水質環境
優質飼料
科學管理
優質產品......可靠的效益

不一定非要用添加劑,養蝦效益是第一位的



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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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