发酵微生物菌群和复合功能微生物菌群是两个重要的微生物功能菌群，在制备生物有机肥中有着广泛的用途。
Fermentative microorganisms and mixed functional microorganisms are two important microorganisms, which can be used in the production of bioorganic fertilizer extensively.
由此得出结论：酸化剂、益生素、寡糖单独或合并使用均能改善断奶仔猪微生物菌群，增强其免疫功能。
In conclusion, the addition of acidifier, probiotics and oligosaccharides alone or combined in the diet improved microbial population status and immune function of weaning piglets.
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