Archive for "semi-closed containment systems"

Two pieces of fish health advice

Written by: Reidun Lilleholt Kraugerud for the CtrlAQUA Annual Report 2021 The fact that there are few salmon lice in semi-closed fish farms is the main argument for these farms having a future, says Are Nylund, a professor in fish health at the University of Bergen. Nylund has been researching pathogenic organisms in closed fish farms…


A lot to save from targeted UV

UV light can kill 99.9 percent of bacteria and viruses found in the inlet water of aquaculture facilities. But how large should the doses be? Recent Nofima research in the CtrlAQUA Intake project “Strategies for water treatment in closed-containment aquaculture” shows that there is a lot of gain from adapting the dose to the pathogen…