Japan Pet Design Company; commonly known by the brandname as JPD, has a proud history of experience and credence of over 200 years as an ornamental fish breeder, a fish medicine manufacturer, and a fish food producer. For JPD Koi food, JPD’s mission is to protect the health and increase the vitality of Kois in Japan and throughout the world. With its rich knowledge & experience, and its co-operation with the National fisheries University, JPD has been developing a wide range of medicine to help treat kois suffering from disease caused by parasites, bacterias and fungi.