Skretting develops integrated feed system
Aquaculture feed company, Skretting, is launching RecircReady, its new integrated concept for recirculating aquaculture feeds (RAS).
The concept is said to offer a tailored solution focusing on growth and waste prediction models, nutrient recycling and fish and system health monitoring.
Dr Ingunn Stubhaug, Skretting’s researcher at its Aquaculture Research Centre said that Skretting is leading advancements in this area.
“Many producers are looking for feed aligned with their own particular systems in terms of physical properties and behaviour.
“In RAS, you want the feed to reach all of the fish. You also want it to be consumed or to exit the system as quickly as possible. Consequently, some farmers want slower-sinking feeds while others want diets that move faster.”
Developed through extensive trials at Skretting’s research facilities in Norway and Italy, the feeds incorporate ingredients that bind faecal matter to improve faeces quality and optimise mechanical filtration. Also key to the feeds’ performance is reducing the nutrient load on biofilters and maximising fish growth potential and health.
In the new recirculation hall at its Lerang research station in Norway, Skretting uses AquaSIm models to provide valuable data for comparing its feeds and production practices.
Comprising 12 independent systems the new facility is used to investigate the impact of feeds and formulations on the biological filters in RAS. The recirculation facility has joined a global network of Skretting RAS research units, each with an explicit area of focus, and is expected to prove invaluable in servicing RAS customers.
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