Abstract
In this study, the effects of two dry diets on growth, survival and conversion efficiency of juvenile winter flounder, Pleuronectes americanus, were tested. Laboratory-reared juveniles were successfully weaned onto both artificial diets with approximately 70% survival by the end of the experiment (37 days). Conversion efficiency ranged between 0.52% and 17.50% between Days 7 and 37 of the experiment depending on the sampling period. Specific growth rates (length) over the experimental period were similar for juveniles fed the two starter diets (1.32% day −1 for the salmonid feed and 1.36% day −1 for the non-salmonid diet). Specific growth rates (wet weight) were also similar; 3.11% day −1 (salmonid feed) and 2.65% day −1 (non-salmonid diet). There was no significant difference between the non-salmonid diet compared to salmonid starter feed on growth and survival of juvenile winter flounder. This study demonstrated that juvenile winter flounder can be easily weaned, and that these results may improve with special diet formulation and feeding technique.
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