Whirling disease discovered in Bow River
Posted Sep 12, 2016 2:03 pm.
This article is more than 5 years old.
The Canadian Food Inspection Agency confirms the presence of whirling disease in the Bow River — the second case this summer.
It follows the discovery of the disease, which affects fish, in Banff National Park’s Johnson Lake last month.
After further sampling, it was also found it downstream of where the Bow meets the Cascade River, also within Banff.
The federal agency is collecting samples from basins adjacent to the Bow River and other streams, to find out how to protect fish populations.
Affected fish may be seen swimming in a whirling pattern, with a dark or black tail and skeletal deformities.
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