Therapeutic agent for diseases caused by microspores and myxospores parasitic on marine fish

摘要

Provided is a method for controlling microsporidia or myxosporea in marine fishes (particularly cultured fishes) with an oral administration agent. A control agent for "Beko" disease or a myxosporean disease mediated by microsporidia parasitic in marine fishes, said controlling agent containing, as an active ingredient, any one of albendazole, febantel, flubendazole, fenbendazole, oxfendazole and mebendazole.