Newspaper article The Canadian Press

CFIA Confirms Whirling Disease in Fish from Lake in Banff National Park

Newspaper article The Canadian Press

CFIA Confirms Whirling Disease in Fish from Lake in Banff National Park

Article excerpt

Whirling disease found in fish from Banff lake

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BANFF, Alta. - The Canadian Food Inspection Agency says whirling disease has been discovered in fish from Johnson Lake in Banff National Park.

The CFIA says it's the first time it has confirmed the disease in Canada.

Whirling disease is caused by a parasite that causes skeletal and neurological damage in young trout and salmon.

The fish move forward in a corkscrew pattern instead of swimming normally and there is a high mortality rate.

Parks Canada says it has closed the area around Johnson Lake and banned any recreational activities to reduce risk of the disease spreading.

The parasite is not harmful to humans or mammals, but can be transmitted to other water bodies by fish and fish parts or by gear used for swimming, paddling, boating and angling. …

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