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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.

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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).

Study: Ozone still out on its own as RAS water treatment

Study: Ozone still out on its own as RAS water treatment

A trial by researchers in the United States has shown that semi-continuous dosing of the industrial disinfectant peracetic acid (PAA) cannot be used as a direct alternative to low-dose ozone in recirculating aquaculture systems (RAS).

Can Pure Salmon change the game for RAS grow-out?

Can Pure Salmon change the game for RAS grow-out?

A recent study for Highlands and Islands Enterprise concluded that on-land salmon farms being built around the world posed no immediate threat to the Scottish industry’s expansion hopes. Pure Salmon’s plans may prompt a re-think.

Russians invest €25 million in RAS salmon farm

Russians invest €25 million in RAS salmon farm

On-land fish farm expert AquaMaof has signed a deal to build a recirculating aquaculture system (RAS) in the Vologda region of Russia. It will have a production capacity of 2,500 tonnes of market-size Atlantic salmon a year.

Cermaq finds the ‘perfect speed’ for smolts

Cermaq finds the ‘perfect speed’ for smolts

Researchers at global salmon farmer Cermaq have identified what they believe is the optimal current speed to keep salmon smolts strong and healthy in freshwater tanks.

AKVA offers one-stop shop for on-land aquaculture

AKVA offers one-stop shop for on-land aquaculture

Aquaculture supplier AKVA group has brought its various on-land farming operations together under a new banner, AKVA group Land Based.

Feed maker offers diets for cleaner RAS

Feed maker offers diets for cleaner RAS

Skretting, the world’s largest supplier of specialised feeds for fish in recirculating aquaculture systems (RAS), has announced what it calls a new and improved “integrated concept” for RAS.

Private equity firm launches 260,000-tonne RAS ‘mission’

Private equity firm launches 260,000-tonne RAS ‘mission’

A new land-based Atlantic salmon farming company is launching with what it says is “a mission to revolutionise the industry”.

RAS threat to long-term Scottish growth plans

RAS threat to long-term Scottish growth plans

Increased development of recirculating aquaculture systems (RAS) in markets such as China, the Middle East and in Europe could substantially limit the long-term potential for further growth in Scottish salmon production, a new study for Highlands and Islands Enterprise concludes.

Land-based salmon farming ‘will remain niche’ for now

Land-based salmon farming ‘will remain niche’ for now

Carl Ivar Holmen is building one of the largest land-based salmon farms in Norway but does not believe the salmon industry will move completely on land any time soon.

RAS salmon production ‘on course for 345,000 tonnes’

RAS salmon production ‘on course for 345,000 tonnes’

Analysts at Norway’s DNB bank turned out to be rather over-optimistic in 2016 when they predicted that by next year 114,000 tonnes of salmon would be being grown in on-land facilities. In fact, the total biomass will be around 8,000 tonnes.

Whole Oceans RAS plan ‘going well’ despite delays

Whole Oceans RAS plan ‘going well’ despite delays

A US company’s plans to build an on-land Atlantic salmon farm are reportedly going well despite taking permits taking longer than expected.

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