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Home / 2018 / Study finds diluted bitumen exposure even deadlier than thought for salmon
Study finds diluted bitumen exposure even deadlier than thought for salmon

Study finds diluted bitumen exposure even deadlier than thought for salmon

Exposure to diluted bitumen spills is even more dangerous for salmon populations than initially thought, according to a new study by the University of Guelph.

The study concluded that, even if the fish are promptly moved to clean water following exposure, they are still up to 2 times as likely to die.

During the study researchers exposed four separate groups of sockeye salmon to differing amounts of diluted bitumen samples for up to 8 months after hatching.

Across the studies, up to 50 percent of exposed salmon died within 2 months of being moved to clean water, compared to just 2 percent of those not exposed.

The research also found that exposure to the substance causes the fish’s heart muscles to stiffen and kidneys to fail.

About Jeff Blagden

News Reporter/ Anchor. Originally from Hamilton, Ontario, Jeff has a background in sports journalism, and radio hosting. He comes most recently from his post as a morning show host in Chetwynd.

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