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Washington's Deer and Elk Populations Threatened by Deadly Diseases

Chronic Wasting Disease and Lame Elk Syndrome pose new risks

Wildlife managers concerned about the impact on the state's deer and elk populations

The Washington Department of Fish and Wildlife (WDFW) is concerned about the potential spread of chronic wasting disease (CWD) and lame elk syndrome (LES) in the state. CWD is a fatal neurological disease that affects deer, elk, and moose, while LES is a condition that causes lameness and overgrown or missing hooves in elk. Both diseases can have a significant impact on the health of these animals and could lead to population declines.

CWD has been confirmed in elk in Washington

In 2021, CWD was confirmed in an elk in eastern Washington. This is the first time the disease has been detected in the state. WDFW is working to determine the extent of the infection and is taking steps to prevent its spread. CWD can be transmitted through direct contact with infected animals or through contact with contaminated soil or water.

LES is becoming more common in Washington

LES has been observed in elk in southwestern Washington with increasing frequency. The cause of LES is unknown, but it is thought to be related to a nutritional deficiency or an infectious agent. WDFW is working to learn more about the condition and is looking for ways to prevent its spread.

Hunters can help to detect and prevent the spread of CWD and LES

Hunters can help to detect and prevent the spread of CWD and LES by submitting samples from harvested animals to WDFW for testing. Hunters should also avoid feeding deer and elk and should clean and disinfect their equipment before and after hunting. WDFW is asking hunters to report any sightings of lame elk or elk with overgrown or missing hooves.

More research is needed to understand the causes and effects of CWD and LES

More research is needed to understand the causes and effects of CWD and LES. WDFW is working with other agencies and organizations to conduct research on these diseases. The goal of this research is to develop strategies to prevent and control these diseases and to protect the health of Washington's deer and elk populations.

For more information

For more information on CWD, visit the WDFW website: https://wdfw.wa.gov/hunting/chronic-wasting-disease

For more information on LES, visit the Washington State University College of Veterinary Medicine website: https://vetmed.wsu.edu/research/centers-and-institutes/wildlife-disease-research-center/elk-hoof-disease