Related topics: salmon

Study shows sea lice problem widespread

Salmon farms are transferring parasitic sea lice to wild salmon over a much wider region than first thought. That’s the conclusion of a newly published article called Evidence of farm-induced parasite infestations on ...

Pacific salmon may be dying from leukemia-type virus

In Canada's Fraser River, a mysterious illness has killed millions of Pacific salmon, and scientists have a new hypothesis about why: The wild salmon are suffering from viral infections similar to those linked to some forms ...

Scientists worry North Pacific salmon may run out of food

With the number of salmon in the North Pacific having doubled in the past 50 years, scientists are increasingly concerned there may not be enough food to support them, and changing ocean conditions could make it even worse.

Lice from farmed salmon imperil wild salmon, new study confirms

(PhysOrg.com) -- A new study on the impacts of lice on wild salmon published today by an independent team of academic researchers in the Proceedings of the National Academy of Sciences (PNAS) confirmed what many previous ...

Finding an alternative to feeding fish fish

Scientists at the University are developing a new plant-based product that could replace fishmeal, reducing the need for farmers to feed fish to other fish at a time when more than 90% of EU waters are at risk from overfishing.

Growing risks from hatchery fish

A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides mounting evidence ...

New virus may pose risk to wild salmon

Farmed fish are an increasingly important food source, with a global harvest now at 110 million tons and growing at more than 8 percent a year. But epidemics of infectious disease threaten this vital industry, including one ...

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