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Biofloc technology (BFT) is an approach in aquaculture that has gained much interest and is currently widely being studied and applied. In this study, silver catfish (Rhamdia quelen) post-larvae were reared in a BFT system, at different stocking densities (10, 20, 30 and 40 post-larvae/L), for 21 days. After two weeks, fish larvae subjected to the higher stoking density showed greater weight gain. At the end of the trial (21 days), no relevant differences between treatments were observed related to growth parameters. However, post-larvae reared at the stocking density of 20 post-larvae/L presented a higher survival rate.

Growth and survival of silver catfish (Rhamdia quelen) post-larvae reared at different stocking densities in a biofloc system