Ungulates

Prion Disease Chronic Wasting and Elk Welfare

Chronic wasting disease in elk causes prolonged deterioration and death, and its spread across western North America creates large-scale wildlife welfare concerns.

Key Facts

CWD affects the brain and nervous system causing progressive neurological deterioration over months
Infected elk show dramatic weight loss incoordination excessive salivation and behavioral changes
The disease spreads through direct animal contact and environmental contamination persisting in soil for decades
There is no treatment cure or vaccine and all infected animals eventually die

Welfare Considerations

CWD-affected elk experience a prolonged and distressing death involving neurological deterioration that impairs normal function before causing death months after infection. The progressive nature of the disease creates extended suffering in individual animals. At the population level CWD creates welfare crises across entire herds in endemic areas. Management options are limited and the persistence of prions in the environment makes containment extraordinarily difficult.

What You Can Do

Never transport elk deer carcasses or parts across state lines to prevent CWD spread
Report deer or elk showing neurological symptoms to wildlife authorities
Support research into CWD surveillance and potential transmission reduction methods
Advocate for hunting regulations that reduce deer density in CWD-endemic areas as a transmission reduction measure