Salmon lice from aquaculture poses massive threat to wild sea trout populations, as researchers develop approach vital for prioritizing management measures.
BYÂ Trine Hay Setsaas, www.nina.no
The state of sea trout in 1251 Norwegian watercourses, spanning 16 000 km of rivers and lakes, was assessed using a scoring system for human pressures, abundance data and local…
There has never been a higher mortality rate in Norwegian fish farming, and the challenges for fish health and animal welfare are piling up. Veterinarians are calling for stricter regulations that can ensure compliance with the Animal Welfare Act also for farmed fish. At the same time, closed net pens at sea are designated as…