Feed additive for cultivated fish and feed for cultivated fish

摘要

A feed additive for cultivated fishes such as yellowtail, sea breams and eels comprises (a) weeping forsythia (Forsythiae fructus) and (b) at least one of licorice (Glycyrrhizae radix), bupleurum (Bupleuri radix) and cnidium rhizome (Cnidii rhizoma). A feed for cultivated fishes comprises the feed additive. The feed additive and the feed containing the additive strengthens the internal organs of fishes so that the fishes are protected from diseases and experience efficient increase in body weight.