FIELD: industrial pisciculture. SUBSTANCE: the present innovation deals with artificial reproduction in sturgeon fish, sterlet, in particular. In reservoirs with brood fishes one should regulate the temperature up to 12-15 C in the period from spawning campaigns till natural water heating only, and spawning campaigns are held since January till April. The innovation helps to decrease energy expenses considerably at higher productivity and piscicultural caviar quality. EFFECT: higher efficiency. 5 ex
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