FIELD: fish industry. SUBSTANCE: method involves grinding basic raw material and subjecting to thermal treatment; separating dense mass from liquid phase and providing partial enzymic hydrolysis of dense mass till polypeptide content is at least 700 dalton; drying hydrolyzed mass. During drying procedure biological mellower may be added. Method allows feed products for animals, birds and fish to be obtained. EFFECT: increased feeding value of fish flour, intensified drying process and increased yield of ready product. 7 cl, 2 ex
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