date:May 29, 2014
placing net cages below the louse zone. The problem with this solution is that salmon need access to air to fill their swim bladder.
One innovative approach to the problem is the snorkel cage, developed by researchers from the Institute of Marine Research (IMR) and the University of Melbourne in cooperation with Egersund Net. At a depth of 34 metres inside the cage, netting is used to form a ceiling and a central cylindrical passage that extends above the surface of the water. This snorkel is c