1Department of Aquaculture, Faculty of Fisheries and Marine Science, Japan
2Laboratory of Fish Nutrition, Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Konan, Minato-ku, Tokyo 108-8477, Japan
3Meiji Seika Kaisha, Ltd, Veterinary Products and Feed Additives Tokyo Office Agricultural & Veterinary Division, Kawasaki-shi, Kanagawa-ken 212-0013, Japan
4Nishimaru Suisan Corporation, Mishima Prefecture, Japan