Effect of biofloc technology (BFT) on the early postlarval stage of pink shrimp Farfantepenaeus paulensis: growth performance, floc composition and salinity stress tolerance

Biofloc rearing media provides a potential food source for shrimp reared in limited or zero water exchange systems. This culture system is environmentally friendly as it is based on limited water use and minimal effluent is released into the surrounding environment. In this study, we evaluated the s...

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Bibliographic Details
Published in:Aquaculture international 2011-10, Vol.19 (5), p.891-901
Main Authors: Emerenciano, Maurício, Ballester, Eduardo L. C., Cavalli, Ronaldo O., Wasielesky, Wilson
Format: Article
Language:English
Subjects:
Biomass
Biomedical and Life Sciences
Farfantepenaeus paulensis
Farms
Freshwater & Marine Ecology
Life Sciences
Lipids
Microorganisms
Salinity
Salinity tolerance
Water exchange
Water quality
Water use
Zoology
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Summary:Biofloc rearing media provides a potential food source for shrimp reared in limited or zero water exchange systems. This culture system is environmentally friendly as it is based on limited water use and minimal effluent is released into the surrounding environment. In this study, we evaluated the survival, growth performance and salinity stress tolerance of pink shrimp Farfantepenaeus paulensis postlarvae reared from PL 10 to PL 25 in a biofloc technology limited water exchange system. PL (mean ± SD weight and length of 14 ± 10 mg and 8.10 ± 0.7 mm, respectively) were reared in nine 40-L plastic tanks with a stocking density of 10PL/L. Three culture treatments were applied (1) culture in the presence of bioflocs and commercial feed supply (FLOC + CF); (2) culture in the presence of biofloc without feed supply (FLOC) and (3) culture in clear water with feed supply (control). Final biomass and survival were significantly higher in FLOC + CF treatment than the control ( P  
ISSN:0967-6120
1573-143X
DOI:10.1007/s10499-010-9408-6