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Monday, January 29 • 3:20pm - 3:40pm
SYMPOSIA-03: Chronic Wasting Disease Management and Surveillance: A Michigan Perspective

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AUTHORS. Chad M. Stewart, Kelly A. Straka, DVM MPH - Michigan Department of Natural Resources

ABSTRACT. Michigan’s first case of chronic wasting disease (CWD) in free-ranging deer was first discovered in April 2015, nearly seven years after the first case of CWD was detected in a farmed cervid facility. After 3 years of intensive surveillance, prevalence rate and spread of the disease appears minimized to a local area. Surveillance has focused on hunter harvest and road kill collection across an extended area to help identify new locations where the disease may exist. Where the disease has been identified, the use of mandatory sampling, sharpshooters and disease control permits available for use 365 days a year have been incorporated to collect samples from the immediate area. Beyond the initial index animal, which was symptomatic, hunters have accounted for 3 positive animals, with sharpshooting accounting for 5 positive animals. No other surveillance method has accounted for the identification of a positive animal. Prevalence rate is approximately 0.1% within our core area, and there have been 9 positive animals discovered as of September 2017, all within a small four township area. Furthermore, all positive animals have been related either directly or indirectly. Michigan appears to be in an emergent situation, rather than a case that has been established for decades. With that, the agency has maintained support for intensive surveillance through the development of partnerships and effective communication approaches highlighting the importance for continued management and surveillance. Research will begin this winter to help refine our surveillance approach, utilizing real-time movements from GPS-collared deer to further inform our management techniques.

Monday January 29, 2018 3:20pm - 3:40pm CST