A breakthrough solution for better-quality RAS fish farming—efficiently, safely and with increased profitability.
Farmed fish can accumulate unpleasant off-flavors, which reduces their market value and consumer appeal. Off-flavors also cause significant additional costs for RAS companies, as their removal delays harvesting, consumes large amounts of clean water, and requires equipment investments.
Water mold, typically caused by Saprolegnia parasitica is a common problem in fresh water aquaculture facilities – in salmonid farming, it has been estimated to cause up to 10% annual production losses.
Luke and VTT have developed a capture solution based on chemically treated, cellulose-based fiber materials that effectively bind off-flavour compounds and S. parasitica spores from water.
In trials at Luke’s Laukaa aquaculture facility, the fiber material accumulated up to a thousand times more off-flavour compounds from water compared to untreated water. Fish grown in water recirculated through the capture material showed off-flavour concentrations below sensory detection thresholds.
At Luke’s Enonkoski facility, the use of the capture materials significantly reduced the amount of S. parasitica spores in the water compared to tanks without them.
