Lice skirts and deep water intake prevents sea lice

Rigid steel structure provides escape-proof fish cage

and safe working conditions

Cleaning, disinfecting and maintenance is performed on site as the fish cage lifts itself completely out of water.

Photo: Steinar Johansen/MNH

Aquatraz G4
semi closed fish cage with deep lice skirts
and excellent water supply

Keeping salmon in and sea lice out

The water replacement system and the deep lice skirts provide a positive aquatic environment in the fish cage. Oxygen-rich water is pulled in from water depths free from sea lice and algae, and circulated in the cage. This is believed to improve fish health, increase growth rate, lower feed factor, improve colouring and produce firmer fish fillets. 

The sea lice count in Aquatraz G3 is low and decreasing (without treatment). G3 has a total lice skirts of 18 meters, where the upper 8 meter are of steel and the bottom 10 meter of impermeable tarpaulin. 

Safeguarding against escape and secure abundant supply of sea lice free water facilitates a substantial increase in the fish density inside the cage.

Stable steel platform automate and simplify operations

The raiseable steel structure with wide walkways and handrails provides improved working conditions with less heavy lifting, and decreased reliance on support vessels. Aquatraz has a design life of 20 years with low operating and maintenance costs. The fish cage has a lifting system ensuring that the cage can be lifted out of water for cleaning, disinfecting and maintenance on site. 

Aquatraz G3. Oppdrettsanlegg med dype luseskjørt beskytter mot lakselus

The latest Aquatraz, launched in April 2020, have implemented a total of 18 meter of lice skirts. The top 8 meter in steel and the additional 10 meter in tarpaulin. 

The second generation Aquatraz – G2, has a new electric lifting system that allows for lifting and lowering without relying on energy supply from a boat. It has wider walkways with heated storage containers and several other improvements that is still part of the newer generations.

Aquatraz G2 Safeguarding your fish

Aquatraz AS
Camilla Colletts gate 6
4020 Stavanger
Norway

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