salmon lice

Cleaner fish being sacrificed in the fight against salmon lice

Research shows that even fish farmers have doubts as to whether using cleaner fish is an effective delousing method. “Fish farmers tell us that they want a ban on the use of certain species. They’re also very critical of wild-caught cleaner fish being transported,” says researcher Kristine Størkersen. She is one of the scientists who have been helping the Norwegian Food Safety Authority gain an overview of the situation.

Stressed-out salmon get sick

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.

New weapons in the battle against salmon lice

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.