We need to know more, and teach more people, about aquaculture so we can use the ocean’s resources to the greatest extent possible while protecting the environment.
Currents in the ocean and fjords spread viruses that are killing large numbers of farmed salmon. Where should fish farms be built? And should they all be in use at the same time? Researchers now know more about how to limit the virus problem.
Long-lasting stress in farmed salmon makes them more susceptible to diseases. Researchers have now found a simple and reliable method for measuring stress in fish so that it is easier to take action if needed.
Professor Jon Olaf Olaussen says that increasing the aquaculture industry to five times its current production now is a crazy idea. He is calling for reducing one of Norway’s largest industries.
The best weapon in the battle against salmon lice in the Norwegian aquaculture industry has proved to be the use of what are called “cleaner fish”, fish that eat salmon lice. But these fish often die during breeding. Now, researchers have found a way to help the young fish survive.
Published
21.01.15
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