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Researchers uncover some good news for BC's troubled salmon populations
Date:11/15/2012

e, lice are free living and are easily swept out of fish farming enclosures into the path of migrating wild fish.

Peacock says the fall and winter anti-parasite treatments greatly reduced louse numbers on the penned Atlantic salmon by the time wild juvenile pink salmon passed closed to the farming sites on the annual out migration from BC rivers to the ocean.

While changes to the parasiticide treatment schedule in the Broughton Archipelago show positive results, Peacock emphasizes there are still some concerns.

"The ecological effects of anti-parasite chemicals are poorly understood and lice have developed resistance to parasite treatments in other salmon farming regions," said Peacock.


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Contact: Brian Murphy
brian.murphy@ualberta.ca
780-492-6041
University of Alberta
Source:Eurekalert

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