Background: The broodstock diet, and in particular the lipid and fatty acid composition of the diet, is known to play a key role in reproductive efficiency and survival of the progeny in fish. A major problem when replacing both fish meal and fish oil by plant sources is the lack of n-3 long chain polyunsaturated fatty acids, such as eicosapentaenoic acid(EPA) and docosahexaenoic acid(DHA). To address this problem, we studied the effect of the plant-based diet supplemented with Schizochytrium sp...