A land-based Recirculating Aquaculture System (RAS), is a low impact aquaculture process that has the potential to meet the world’s growing need for protein with minimal effect on the environment.
Over the past 30 years, the development of Recirculating Aquaculture Systems (RAS) has made it possible to culture fish under completely controlled conditions, anywhere in the world. The basis of the technology is the recirculation of water inside a land-based fish farming system, whereby the same water is recycled in a closed circuit, thus minimizing the amount of new water that needs to be added to the system.
The team at Assentoft Aqua has been involved in this development since the very beginning of the recirculation aquaculture industry, thus learning from both successes and failures from existing plants, including salmon plants.
There are many benefits of a closed (or RAS) fish farming system, and the majors are:
• Optimal use of feed
• The ability to regulate and control the internal habitat to match the cultured species;
• The ability to reduce invasive fish diseases from the surroundings;
• Easy control of temperature, salinity, oxygen and pH to meet the requirement of both the cultured species as well as the different growth stages, i.e. whether to induce spawning, wean fish larvae or simply grow fish to market or re-stocking sizes;
• Fast growth of fish during the whole year due to a controlled environment.
Assentoft Aqua is technically the direct offshoot of now in-active Inter Aqua Advance - IAA A/S (IAA). Inter Aqua
Advance A/S was founded in 1978 and was the first company in the world supplying commercial recirculation plants for the aquaculture industry in Europe, U.S.A., Asia and Oceania.
During this time, more than 200 plants ranging from production capacities of 10 tons/year to 2,000 tons/year per module have been delivered. IAA has since its start always been in the forefront of research and development and over the years, other suppliers of recirculation technology have followed in IAA’s footsteps.
One of IAA key partner and supplier was Assentoft Silo A/S who has been supplying IAA with Aqua related projects including silos and tanks for large scale RAS project design, production, delivery and commissioning.
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