Decree No. 199 of 1997 on the prevention and limitation of spreading and eradication of Gyrodactylus salaris.

This Decree places restrictions on the removal of dead or live fish from aquaculture installations and provides for measures to clean aquaculture installation watercourses in cases where the presence of parasite G. Salaris exists or is suspected of existing. The county veterinarian concerned may either take preventive measures in watercourses or aquaculture facilities or measures to limit the spreading or to eradicate the pest, in accordance with instructions of the National Food Authority. The use of chemicals in watercourses requires a permit, according to the Pollution Act. If a measure affects fish stock, a permit issued pursuant to the Act on salmons and freshwater fish is required (sect. 7). (11 sections)