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畜牧人

標題: 母豬糞便發黑是怎么回事？配方未有調整 [打印本頁]
作者: hzyong2005    時間: 2020-12-8 09:40
標題: 母豬糞便發黑是怎么回事？配方未有調整
最近飼喂30%哺乳母豬料的客戶反饋母豬糞便發黑，而且黑的很不正常，配方中未使用硫酸銅之類的，請大家給與一點原因分析。

作者: drj    時間: 2020-12-22 17:21
加了腐殖酸鈉？




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