使用配合饲料进行水产养殖,本来是大规模集约化养殖的理想选择,但近年来,使用配合饲料进行水产养殖,时有发生大规模疾病、造成鱼虾大量死亡的事故;有时在水质条件较好,病原数量较少的流水环境下使用配合饲料养鱼,仍有频率较高、强度较大的细菌性疾病的发生;某些在池塘条件下使? The use of compound feed for aquaculture was originally an ideal choice for large-scale intensive aquaculture. However, in recent years, aquaculture using compound diets has caused large-scale disease and caused a large number of deaths of fish and shrimp. In some cases, the water quality is good , The number of pathogens less water environment using compound feed fish, there is still a higher frequency, greater intensity of bacterial disease; some in pond conditions?