IMPROVER FOR BODY SURFACE HUE OF RED SEA-BREAM

摘要

PURPOSE:The titled improver, containing an animal gall concentrate, dehydrocholic acid, etc., and capable of powerfully improving redness of the body surface. CONSTITUTION:An improver containing a gall concentrate, e.g. gall extract, etc., of an animal, e.g. cattle, pig, whale, etc., dehydrocholic acid, reduced form, metal salts or mixtures thereof. The improver is preferably used in the form of powder of pellets. The improver is administered by a method for blending in a bait or feed or directly giving to a fish raising tank.