Gyrodactylus salaris is a parasite that affects salmon fry.
Norway has disease-free status for Gyrodactylus salaris, with the exception of eleven river systems.
See map of infected and declared disease-free river systems in Norwegian (laksekart.statsforvalteren.no)
Measures that apply in restriction zones
The most important requirements you must follow to prevent the spread of disease between river systems.
Information for recreational fishers, kayakers, canoeists and others enjoying Norway’s waterways.
Slik unngår du å spre smitte mellom vassdrag når det er påvist Gyrodactalus salaris.