A method for the microinjection into naturally spawned eggs of marine fish,especially cultured Pacific bluefin tuna <Emphasis Type="Italic">Thunnus orientalis</Emphasis>
Department of Fisheries, Faculty of Agriculture, Kinki University, Nakamachi, Nara 631-8505, and;Fisheries Laboratory of Kinki University, Shirahama, Wakayama 649-5145, Japan