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FishMagazine Farmer Fish FarmerFish Farmer VOLUME 39


Wellboats– Introduction

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All well and good

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All well and good

MARCH 2015

Wellboats play an increasingly important role in the running of marine salmon farms, from the beginning through to the end of the production cycle

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s the salmon industry becomes more consolidated, and vertically integrated, wellboats are now being used routinely for a variety of essential tasks that help with the efficient running of salmon farms. Custom designed, wellboats are used to transfer smolts to sea water sites, to grade fish, transfer fish between seawater sites and to carry fish to harvest. Wellboats are also sometimes used to carry out bath treatments for sea lice.


dead-haul of fish to processing plants should be treated on-shore; that all water should be filtered prior to discharge into the sea; and that of wellboat transport water be proposed as a priority for the Scottish Aquaculture Innovation Centre. For their part, the wellboat manufacturers are already working hard to address these issues, and the modern wellboat is a technically sophisticated piece of kit, with a number of features that address issues of biosecurity. For

There are a number of risks associated with the use of wellboats, in particular the transfer of pathogens to live fish within the wellboat, and into the sea as a result of discharging potentially infected water. In Scotland, these issues have been acknowledged with the establishment of the Wellboat Technical Standards Working Group in 2013. Amongst its recommendations include: that all marine vessels should log and record their position and the status of their valves; that all water from

example, Sølvtrans, the world leading company within transport of live salmon uses a closed valves system, ensuring that when they transport live fish, no water is loaded or discharged to the sea during transportation or unloading. Its new vessels are also equipped with lice filters with 150 μ for circulated water, which collect lice and other organic materials from the water, minimising the risk of any transported fish being contaminated by diseases, infection, sea lice etc from the nearby fish farms. FF


Under control

Norway – Research Council

The environment is more stable and the fish use less energy adapting to it

Under control

Above: Project participants at the centre’s opening. Right: CtrlAQUA scientists. Photos by Terje Aamodt/Nofima.

Joint approach between scientists and industry to address challenges of closed-containment systems


our Norwegian research institutions, two outside Norway and several industry partners from technology and the aquaculture industry have started operations at a centre for innovation in closed-containment systems. The centre, CtrlAQUA, has been given NOK 200 million and eight years to reach its goal of making closed-containment systems for salmon up to one kilogram. Innovations in closed-containment, where the salmon is separated from the outside environment by a tight barrier, can be important for the further development of the industry,

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helping to address challenges such as sea lice, diseases and escapes, as well as reduce production times. Closed systems can be land-based, where water is recycled, or sea-based, in which large floating tanks receive clean water from depth. In CtrlAQUA, the research will deal with both approaches. The main focus of the centre is innovation in closed-containment systems for the most vulnerable periods of the salmon production cycle, such as the first sea water, post-smolt, phase. The centre will also contribute to better production control, fish welfare and sustainability


in closed-containment farms. This will happen through the development of new and reliable sensors, minimising environmental impact through recycling of nutrients and reducing the risk of escape, and diseases transmission to wild stocks. Senior scientist Bendik Fyhn Terjesen, from Nofima, who is the director of the centre, said that closed-containment systems for salmon up to one kilogram have further advantages than simply preventing lice and escapes. ‘We can control the environment in which the fish lives in a closed-containment system. The environment is more stable and the fish

use less energy adapting to it. This means that the salmon has more energy available for growth and good health.’ Closed systems for strategic phases in salmon farming can help to make the Norwegian vision of an eight-fold growth in value creation from aquaculture possible, and lead to an increased number of jobs and the production of healthy seafood. In the centre there will be three departments: technology and environment, led by Dr Fyhn Terjesen; preventative fish health, led by Harald Takle, also from Nofima; and fish production and welfare, led by Lars Ebbesson of Uni Research. CtrlAQUA is one of 17 Centres for Research-Based Innovation (SFI), a major programme created by the Research Council of Norway. The primary goal of the SFI programme is to strengthen companies’ capacity for innovation, and to develop leading industry relevant research. Nofima is accompanied by five solid institutions in CtrlAQUA: Uni Research, the University of Bergen, the Norwegian University of Science and Technology, the Freshwater Institute in the US and the University of Gothenburg in Sweden. The University of Bergen will have principal responsibility for research education at the centre. The total budget for CtrlAQUA will be

NOK 196 million, spread over eight years. Industrial partners from the supplier industry are Krüger Kaldnes AS, Pharmaq Analytiq, Pharmaq AS, Oslofjord Ressurspark AS, Storvik Aqua AS and Aquafarm Equipment AS. Participants from the aquaculture industry are Marine Harvest ASA, Grieg Seafood ASA, Lerøy Vest AS, Cermaq Norway AS, Bremnes Seashore AS, Smøla klekkeri og settefiskanlegg AS, Marine producers Norway AS and Firda sjøfarmer AS. The formal opening by the Research Council took place at the end of May at Nofima, Sunndalsøra. Norwegian fisheries minister Elisabeth Aspaker, present at the ceremony, said the goal of the CtrlAQUA SFI is perfectly compatible with the government’s ambitions for the aquaculture industry. ‘I have great expectations for the achievements of CtrlAQUA. Even though eight years is a long time, it is urgent that we find solutions to reach the goals. CtrlAQUA is an important part of this.’ The director of innovation in the Research Council, Eirik Normann, presented the SFI plaque to Fyhn Terjesen, saying: ‘You have put together a very strong consortium. I want to point out that the committee that evaluated the application was fascinated by the innovation that the concept brings with it, and it believes that the centre will probably produce important innovations within aquaculture.’ FF

NOFIMA FACTS With 360 employees and customers from 49 different countries, Nofima’s turnover in 2014 was £527 million The company is currently engaged in 620 projects worldwide. Nofima has several laboratories and pilot plants, which it uses for research, including: BioLab – an accredited contract and research laboratory; NAMAB – a flexible minifactory; and Patogen Pilot Plant – Europe’s first highsecurity production hall. Nofima carries out research for the fisheries, aquaculture and food industries, including: breeding and genetics; capture-based aquaculture; fish health; and consumer and sensory sciences. Each year Nofima organises several symposia, courses and seminars in which its scientists share their expertise.


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Fish Farmer Magazine january 2017  

Serving Worldwide Aquaculture Since 1977

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Serving Worldwide Aquaculture Since 1977