Two new studies suggest a fish virus linked with a potentially deadly disease in Norway that has inspired an anti-fish farm movement on the West Coast isn't as harmful as some believe.
and review the effects of piscine orthoreovirus, also known as PRV, on Atlantic salmon in Pacific waters.
"With this data, it's kind of clearly showing you can't just blame it on the presence or absence of PRV," he said. The second study published Wednesday found that although PRV affects oxygen-carrying red blood cells, infected fish performed just as well as healthy fish when it came to respiratory tasks.
There are still gaps in knowledge about how the virus and disease affect wild stocks, but Polinski said he recently completed a parallel study looking at whether PRV caused the disease in sockeye and could not prove any causation.
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