Seasonal differences in effect of broodstock diet on spawning success in the great scallop

摘要: Great scallop (Pecten maximus L.) broodstock collected at two different seasons, spring (May) and winter (December), were given four diets during conditioning. The group was spawned in late June, the February.The highest number of veligers summer spawning (30 millions per 10broodstock), produced using a diet consisting 80% Tahitian Isochrysis galbana. In spawning, dietconsisting diatoms (Skeletonema costatum/Chaetocerosgracilis) (29 10broodstock). Fecundity egg-releasing individuals higher early (June) than (February), however, total three days old nearly same seasons.