With growthpromoting 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。
2
Objective to investigate the potential effects of promotinggrowthadditive 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。
3
By producing the active Bifidobacterium drink and preparation on industrial scale, the problem solved in this investigation urgently needed for the choice of growth-promotingadditive.