| abstract |
【Task】 The present invention improves the disease, survival rate, and growth of marine resources by adding it to feed for aquaculture, etc., and there is no problem of effects on human bodies and resistance bacteria due to their persistence. It was an object to obtain a food additive and food. [Solution] The feed additive and feed for aquaculture of the present invention are characterized by containing β1,4-mannobiose. The feed additive and the feed for aquaculture of the present invention have no influence on the human body due to these residues or problems of resistant bacteria, and can improve the disease, survival rate and growth of fishery resources. [Selection figure] None |