有益菌又称为有益微生物或微生态制剂(microecologicaaglent)s,是指在微生态理论指导下,运用微生态原理,利用对宿主有益无害的正常微生物或正常微生物促进生长质经过特殊工艺制成的制剂,以达到调整机体及养殖水域微生态平衡的目的。根据微生物的种类可把微生态制剂分为芽孢杆菌 Beneficial bacteria, also known as beneficial micro-organisms or microecological agents (microecologicaaglent) s, refers to the use of micro-ecological theory under the guidance of the use of micro-ecological principles, the use of non-harmful to the host of normal microorganisms or normal microorganisms to promote growth quality through a special process In order to achieve the purpose of adjusting the micro-ecological balance of body and breeding waters. According to the type of microorganisms can be divided into probiotics probiotics