Banca de QUALIFICAÇÃO: GLEIKA TAMIRES JORDÃO DOS REIS

USE OF MULTI-SPECIES PROBIOTICS IN THE BREEDING PHASE OF Colossoma macropomum IN A BIOFLOCS AND WATER RECIRCULATION SYSTENS

Aquaculture, native fish, tambaqui, sustainability

The use of probiotics in aquaculture aims to improve the zootechnical performance and health of farmed animals, to the detriment of the use of chemotherapy drugs. Thus, the work will aim to evaluate the effects of using multispecies probiotics in the rearing phase of juvenile tambaqui Colossoma macropomum, for 70 days, using two breeding systems: SRA water renewal system and the BFT biofloc system. The fish will be distributed in a 2 x 3 factorial scheme (production system and uses of probiotic), at a stocking density of 27 fish/m³, in triplicate with the treatments being: control without probiotic in each production system (recirculation system of water - SRA-CTL and biofloc technology - BFT-CTL); probiotic added to water (SRA-PA; BFT-PA); probiotic added to the feed (SRA-PR; BFT-PR); and probiotics added to water and feed (SRA-PAR; BFT-PAR). It is expected that with the completion of this work, we will have promising results regarding the inclusion of multispecies probiotics on water quality parameters, zootechnical performance indices, physiological status of fish and proximate composition of tambaqui juveniles in the rearing phase.