By producing the active Bifidobacterium drink and preparation on industrial scale, the problem solved in this investigation urgently needed for the choice of growth-promoting additive.

工业规模生产活性双歧杆菌饮品及制剂，选择添加何种生长促进物质，是一种亟待解决的问题。

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With growth promoting agents with poison and side effect seceding from pig feed additive, porphyrin Fe will play an important role in animal husbandry.

随着有毒副作用的促生长剂慢慢退出猪饲料添加剂行列，卟啉铁在畜牧养殖中必将发挥出重要的作用。

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Objective to investigate the potential effects of promoting growth additive on part of reproductive function of female rats and toxic action.

目的探讨动物饲料促生长素添加剂对雌性大鼠部分生殖功能的影响。

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