Medicinal feed for the systemic treatment of ectoparasitic and ectobacterial diseases of fish

摘要

The present invention provides a medicinal feed for fish, which comprises a triphenylmethane derivative or a combination of triphenylmethane derivatives alone or in combination with at least one compound selected from the group consisting of thionine, nitrothiazole, nitrofuran, quinoline and acridine derivatives, compounds splitting off aldehydes, transition metal derivatives, metal colloids, hexamethylenetetramine and/or quaternary ammonium salts as active materials.