Tag Archives: declining wild Fraser River sockeye

Salmon farms should be worried about more than just one species of sea lice

Migrating young sockeye salmon that are highly infected with parasitic sea lice grow more slowly, according to a new study from Simon Fraser University researchers. That matters, the experts said, because growing quickly can be the difference between life and death for vulnerable juvenile salmon. “Previous studies have shown that to survive to adulthood, young salmon need to get big fast,” said Sean Godwin, a PhD student at SFU and lead author on the study. “Those that grow more slowly — as we found, those heavily infected with sea lice — those fish are more likely to die.” Many people opposed to fish farms have raised concern over declining wild Fraser River sockeye and the potential for parasite transfer from salmon farms. click here to read the story 10:23