FIELD: fish breeding. SUBSTANCE: after insemination sturgeon fish roe is treated with para-aminobenzoic acid at concentration 0.0001-0.00001%. Treatment is carried out at period of roe degumming for 50-60 min. Treatment of roe with para-aminobenzoic acid enhances resistance roe against environment disorders, decreases the developing embryo death by 16-18%. Para-aminobenzoic acid provides stimulation of productive and adaptive properties of sturgeon fishes. Experimental fry rate growth exceeds that of control one by 15-20%. Method is used for artificial reproduction of sturgeon fishes. EFFECT: improved method of roe stimulation. 1 tbl
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