FIELD: biotechnology.
SUBSTANCE: invention relates to the field of biotechnology, namely to the field of bacterial agents for nitrification and denitrification of water. According to its characteristics, it can be used in biofilters of closed-circuit water supply installations that are used in aquaculture cultivation. Bacterial preparation for nitrification and denitrification of water, which includes strains of Bifidobacterium breve, Achromobacter denitrificans, Rhodepseudomonas palustris. EFFECT: invention makes it possible to ensure high efficiency of nitrification and denitrification of water at temperatures below 20 °C.
5 cl, 1 tbl
