Quantification of reproductive effort of the triploid Pacific oyster, Crassostrea gigas raised in intertidal rack and bag oyster culture system off the west coast of Korea during spawning season

Reproductive efforts (amount and number of eggs) of the diploid and triploid Pacific oysters measured in this study clearly demonstrated sterility of the triploid oysters during spawning season in summer. The present study also report gametogenic pattern of the triploid, crucial in the management of oyster aquaculture.