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Chronic Wasting Disease

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  • Male Mule Deer

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    Mule deer (Odocoileus hemionus) are very common in Rocky Mountain National Park. They are smaller than the white-tailed deer and have a black-tipped white tail and white patch on the rump. Male mule deers have forked antlers.
    Male Mule Deer
  • Colorado Mule Deer

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    Colorado’s mule deer population has been declining due to growth of homes, roads, traffic, disease, and etc. Wildlife officials are seeking help. More information...
    Colorado Mule Deer
  • Mule Deer in Rocky Mountain National Park

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    Mule deer often can be seen on tundra by Trail Ridge Road. This photo was taken on Tundra Communities Trail highest point, where elevation is 12,285 Feet.
    Mule Deer in Rocky Mountain National Park
  • Mule deer on tundra

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    An mule deer grazing on Tundra Communities Trail in Rocky Mountain National Park. Tundra Communities Trail
    Mule deer on tundra



Adriano Aguzzi and Christina Sigurdson, “Chronic Wasting Disease,” Molecular Basis of Disease 1772 (2007).

Paroma Basu, “Soil-bound prions remain infectious,” University of Wisconsin, May 30, 2003.

Ermias Belay et al., “Chronic Wasting Disease and Potential Transmission to Humans,” Emerging Infectious Diseases 10, no. 6 (June 2004).

Chronic Wasting Disease Alliance, “Chronic Wasting Disease: Implications and Challenges for Wildlife Managers,” 2015.

Chronic Wasting Disease Alliance, “Timeline,” 2015.

Colorado Parks and Wildlife, “CWD Info & Testing,” 2015.

Colorado Parks and Wildlife, “Hunting Statistics,” 2015.

Nicholas Haley et al., “Detection of Chronic Wasting Disease Prions in Salivary, Urinary, and Intestinal Tissues of Deer: Potential Mechanisms of Prion Shedding and Transmission,” Journal of Virology 85 (2011).

Katie M. Lyon, “Hunters’ Response to Chronic Wasting Disease in Four States,” master’s thesis, Colorado State University, Fort Collins, 2011.

Bryan Richards, “Chronic Wasting Disease,” US Geological Survey, August 2007.

Elizabeth Williams, “Chronic Wasting Disease,” Veterinary Pathology 42 (2005).

Additional Information: 

Colorado State University, “The Laramie Foothills Mule Deer Project,” 2009.

University of Wyoming, Department of Veterinary Sciences, “Chronic Wasting Disease,” n.d.