(KREX) — Whirling disease is a waterborne parasite that mainly ... the other step involves taking a summer to extract the fish from a stream or lake and leave it fishless for about two years.

In wildlife, for instance, infections ranging from salmonid whirling disease to crayfish plague ... in part, to infectious disease threats. In cooperation with the US Fish and Wildlife Service, we are ...

The drastic move is being made to protect fish species vulnerable to whirling disease. The disease has the potential to decimate fish populations and has a mortality rate of up to 90 per cent.