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Study: Bacteria-eating viruses can fight disease in RAS facilities

Study: Bacteria-eating viruses can fight disease in RAS facilities

Bacteriophages would be a good tool in recirculating aquaculture systems, scientists in Finland say after discovering that the viruses survive up to 21 days in RAS and could be a long-term solution against bacterial diseases.

RAS expert AquaMaof gears up to double in size

RAS expert AquaMaof gears up to double in size

Recirculating aquaculture systems provider AquaMaof has appointed a mergers and acquisitions specialist and a personnel expert as it prepares to double in size within the next 12 months.

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Thinking INSIDE the box: the fish farm in ship containers

Thinking INSIDE the box: the fish farm in ship containers

A university spin-out company is offering what could be the ultimate in aquaculture convenience – an automated recirculating aquaculture system (RAS) fish farm housed in three interconnected shipping containers.

10,000t salmon RAS plant planned for Vietnam

10,000t salmon RAS plant planned for Vietnam

A 10,000-tonne on-land salmon farm and processing plant is being planned for Vietnam.

A natural solution to RAS discharge water

A natural solution to RAS discharge water

Scientists in Finland are progressing efforts to find a low-tech method of filtering discharge water from a recirculating aquaculture system so that it can go back into the RAS.

Whole Oceans brings hatchery expert on board

Whole Oceans brings hatchery expert on board

On-land salmon farmer Whole Oceans has announced the appointment of experienced fish farmer Orfa Cabrera as manager of the company’s yet-to-be-built hatchery.

BioMar forms feed task force to improve RAS efficiency

BioMar forms feed task force to improve RAS efficiency

Feed manufacturer BioMar has increased its focus on land-based fish farming by bringing all its recirculating aquaculture system (RAS) specialists together to form a global task force.

Microplastics may act as resistance gene reservoirs

Microplastics may act as resistance gene reservoirs

Microplastics could act as a reservoir of antibiotic resistance genes, according to a study in which experts discovered that the bacterial diversity present in microplastics was greater than the bacterial diversity in the water of a recirculating aquaculture system (RAS) fish farm.

Cooke Aquaculture prepares to build a land based smolt farm in Chile

Cooke Aquaculture Inc is working with AKVA to develop land based projects in Chile.

New chloride/nitrite ratio 'better for RAS salmon'

New chloride/nitrite ratio 'better for RAS salmon'

A study in Norway has recommended that a much higher ratio of chloride to nitrite is necessary to prevent the accumulation of nitrite in plasma and growth losses of Atlantic salmon in recirculating aquaculture systems (RAS).

Flawed Sierra: ‘Grave errors’ in green group’s bid to block on-land salmon farm

Flawed Sierra: ‘Grave errors’ in green group’s bid to block on-land salmon farm

Nordic Aquafarms has accused an influential US environmental organisation of basing its decision to oppose its planned on-land salmon farm in the state of Maine on “grave factual errors and unsubstantiated claims”.

Three-year study launched into smolt health in RAS

Three-year study launched into smolt health in RAS

Aquaculture experts at the University of Stirling are leading a £2 million study that aims to provide important information on the impact of innovative farming technologies on salmon.

Whole Oceans looks to US west coast for second site

Whole Oceans looks to US west coast for second site

Prospective on-land salmon farmer Whole Oceans, which plans to grow up to 20,000 tonnes a year on the site of a former paper mill in Bucksport in the eastern US state of Maine, is now looking at sites in the other side of the country too.

Feed maker launches new range for RAS

Feed maker launches new range for RAS

Danish aquafeed manufacturer Aller Aqua has launched a new range of feed designed specifically for recirculating aquaculture systems (RAS).

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