FIELD: agriculture.
SUBSTANCE: invention relates to the field of agriculture, in particular to fodder production in aquaculture. For production of protein fodder additive hybrid of earthworm "Vladimirsky Staratel" is used. Additive is obtained by drying the earthworm at temperature of 60°C for 12 hours in a thermostat and grinding to the state of meal, which is added to the feedstuff in amount of 5–7%.
EFFECT: invention provides higher productivity of aquaculture.
1 cl, 3 dwg, 6 tbl
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