Laboratory studies have shown that low concentrations of chlorine compounds (hypochlorite and chloramine) have properties that make them suitable for combating the salmon parasite Gyrodactylus salaris. Addition of 30-50 μg chlorine/L eliminates G. salaris from salmon juveniles in 2-6 days. A significant difference in sensitivity to chlorine between the parasite and the Atlantic salmon host is demonstrated, making chlorine interesting as a parasiticide in large-scale treatments in natural river systems.
This project aims to study the effect of chlorine on G. salaris, on the Atlantic salmon, and on the benthic animals in a natural river system during an experimental chlorine treatment of a tributary in the Drammenselva watercourse.
Project Manager
Partners
- Norwegian Institute for Water Research (NIVA)
- Norwegian Institute for Nature Research (NINA)
