研究了饵料密度（每毫升0。
采用两因素五梯度的正交设计方法，分析了不同饲养密度和不同饵料密度对花鲈稚鱼生长及存活的影响。
This paper describes the effect of stocking density and bait density on the growth and survival of juvenile Lateolabrax japonicus by the method of orthogonal design.
长毛对虾幼体时饵料的利用率随饵料密度的增大而降低，并在进一步增大饵料密度时稳定于一个较低水平。
For Penaeus larva, the utilizable proportion of the food decreases with the raising of the diet density, and remains at a lower level in further raising of the density.
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