The invention belongs to the field of microbial products, and particularly relates to a microbial inoculum for aquaculture and a preparation method of the microbial inoculum. Fermenting to obtain mixed bacteria culture; The mixed bacteria comprise the following components in percentage by weight : 10%-25% of lactobacillus acidophilus, 10%-20% of bacillus subtilis, 8%-20% of bifidobacterium, 8%-25% of photosynthetic bacteria, 12%-20% of bacillus megaterium, 5%-15% of streptococcus faecalis and 4%-12% of nitrifying bacteria. The microbial strains are adsorbed by oyster powder, making each microorganism strain obtain favorable living space, mitigating external environmental irritation, so that the microbial agent has good stability and high efficiency, After being applied to a water body, the aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture aquaculture
; 胡晓珂
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