Recirculating aquaculture systems (RAS)

Kana Banno, a PhD candidate at the Norwegian University of Science and Technology (NTNU) talks about her transition from aquaculture in Japan, to that of Norway and why fish behaviour and welfare are so important in salm…

The high energy demands of recirculating aquaculture system (RAS) facilities are not necessarily as economically and environmentally onerous as some critics claim, according to a new study.

In a follow-up to his initial piece on the subject of RAS, Andrew Leingang covers key elements including species selection, staffing and fish health.

A project to recycle waste from a recirculating aquaculture system (RAS) into nutrient-rich agricultural fertiliser has won an environmental business award.

As 2020 draws to a close, Rabobank’s Gorjan Nikolik offers some valuable insights into the prospects of the shrimp, salmon and fishmeal sectors in the year ahead.

The developers of Sweden’s largest land-based salmon farm have signed an agreement with BioMar for to provide feed for their 100,000-tonne facility.

The first smolts reared at Scottish Sea Farms’ new RAS hatchery have now been harvested and delivered to customers around the world.

How a RAS producing brook trout in a remote part of Maine is helping to regenerate a species and a community.

Maryland will soon be home to one of the largest commercial oyster hatcheries on the east coast of the US, with the opening of Ferry Cove Shellfish in Spring 2021.

Recirc systems are one of the boom areas in aquaculture at the moment, with new facilities being designed and built all over the world. It’s still a very young part of the sector, however, and it sometimes feels like the…

A Californian court has ruled that the Food and Drug Administration (FDA) has violated core environmental laws in approving genetically engineered salmon.

Plans to culture horseshoe crabs in aquaculture facilities are gaining traction, with two notable breakthroughs achieved over the course of the last year.

Desmond Chow, the founder of Singapore Crawfish, is so convinced that crayfish aquaculture is ripe for investment that he’s spent the past two years, and considerable amounts of his own capital, developing a range of cra…

Results from the first 18 months of production at Norway’s first land-based salmon farm have been revealed today.

Surprisingly little research into establishing the optimal lighting conditions for salmon in RAS facilities has been published. As a result, and given that light plays a key role in the development of Atlantic salmon, re…

Aqua Bridge has announced plans to build an aquaculture equipment factory in UAE as a joint venture with Aqua Green Israel.

India, Ecuador… or Bavaria? The third location might not seem like the obvious place to source vannamei shrimp from but Crusta Nova, a German agtech and seafood company, is producing 30 tonnes of them a year, from an RAS…

Research into how LED light levels in closed-containment recirculation aquaculture systems (RAS) impact the physiology of salmon is the subject of a new study by Nofima scientists.

Oxygen-filled nanobubbles combined with ultrasound can reduce levels of pathogenic bacteria including Vibrio parahaemolyticus and Aeromonas hydrophila in RAS, according to new research.

Aquaculture development is set to play a leading part in the €7 million Food and Local, Agricultural and Nutritional Diversity (FoodLAND) project.