Water quality, waste production, and off‐flavor characterization in a depuration system stocked with market‐size Atlantic salmon <i>Salmo salar</i>
نویسندگان
چکیده
Land-based Atlantic salmon, Salmo salar, grow-out facilities utilize depuration to remediate off-flavor. Water used in this process is either discharged or repurposed as supply water recirculating aquaculture systems (RAS). Both approaches require an understanding of quality and waste production for treatment decisions compliance with pollution discharge standards; however, these data were lacking. Therefore, a study was carried out characterize parameters. To begin, 311 salmon (5–6 kg) originally cultured freshwater RAS stocked at 100 kg/m3 18 m3 tank. Feed withheld 1 day before transfer throughout the 7-day period. Hours after stocking, total suspended solids (TSS), phosphorus (TP), ammonia nitrogen (TAN) levels spiked, concentrations declined thereafter. Delta TSS TP negligible by end trial; TAN plateaued, indicating that began catabolize somatic tissue absence feeding. Geosmin 2-methylisoboreol fish low study. This research indicates residual occurs while depurating salmon. Procedural refinements recommendations gleaned including locality introducing system within extension feed withholding period depuration.
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ژورنال
عنوان ژورنال: Journal of the World Aquaculture Society
سال: 2022
ISSN: ['0735-0147', '0893-8849', '1749-7345']
DOI: https://doi.org/10.1111/jwas.12920