Cermaq puts closed farming technology to the test

Liza Mayer
September 24, 2018
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Biobrane Aqua 2050 is used for closed system fish farming in the sea. It is designed for wave height of two meters, and can be used at most existing sea sites, say developers
Biobrane Aqua 2050 is used for closed system fish farming in the sea. It is designed for wave height of two meters, and can be used at most existing sea sites, say developers Serge Ferrari
Cermaq says it has transferred smolt into its new closed containment system in Horsvågen, Norway, which features a strong and flexible fabric that “gives security against fish escape.”

The fabric, the Biobrane Aqua 2050, has been in the use by a salmon producer in Norway since 2014, but it is “new to us,” said Cermaq.

In this particular closed farming technology, “water will be pumped into the pen from 13 meters depth, preventing sea lice from entering the pen. The tarp wall is made of strong and flexible composite, which minimizes escape risk. This is the world’s largest closed cage using flexible walls,” it said. The closed containment system in Horsvågen has a production capacity of 400 tons.

“There are still a lot of things we don’t know about closed containment systems. We see that closed containment systems in the ocean can play an important role in the aquaculture industry in the future, but it still requires further development,” says Harald Takle, R&D Manager Farming Technology in Cermaq Group.

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