试验结果对微生物饲料添加剂的研制及其在畜禽生产中的应用具有指导意义。
This test results have scientific guidance meaning for developing and application in livestock and poultry production of microbe animal feed additive.
微生物饲料添加剂无污染、无残留、安全无毒，在畜禽生产中的应用日益广泛。
Microbial feed additives are safe because of residue-free and pollution-free. They were used extensively in livestock and poultry production day by day.
纳豆芽孢杆菌已被我国饲料主管部门批准为微生物饲料添加剂，但是将其做为奶牛饲用微生物的使用效果还缺乏研究。
Bacillus subtilis natto has been authorized to be the microbiological feed additive. The research on the effects of bacillus subtilis natto as feed additive for dairy cattle is rare.
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