Timing is everything: survival of Atlantic salmon (Salmo salar) postsmolts during events of high salmon lice densities

Thomas Bøhn, Karl Øystein Gjelland, Rosa Serra-Llinares, Bengt Finstad, Raul Primicerio, Rune Nilsen, Ørjan Karlsen, Anne Sandvik, Ove Skilbrei, Kristine Marit Elvik, Øystein Skaala & Pål Bjørn
Atlantic salmon in aquaculture act as reservoir hosts and vectors of parasites like salmon lice and this parasite is shown to harm wild salmonid populations. In the present study, n=29817 tagged Atlantic salmon were studied in four release trials. Half of the released fish were given prophylactic treatment against lice, the other half represented sham control fish. We used a nested design comparing years with low and high lice density and seasonal dynamics in infestation...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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