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CWD SURVEILLANCE PLAN FOR 2010

August 10, 2010

MADISON - Sampling and testing of hunter harvested deer for chronic wasting disease (CWD) will take place primarily within the disease management zone of southern Wisconsin in 2010, according to state wildlife officials.

"Our overall goal is to maximize our ability to detect trends in disease prevalence and distribution and assess the impacts of CWD management," said Davin Lopez, CWD coordinator for the Department of Natural Resources.

To that end, mandatory sampling of adult deer will take place in the western (parts of Dane and Iowa counties) and eastern (parts of Rock and Walworth counties) monitoring areas, and within an 84 square-mile area that encompasses Devil's Lake State Park "where long-term monitoring of disease patterns is important to understanding the dynamics of this disease," noted Lopez.

Active surveillance using solicited but voluntary sampling will also be conducted in the area surrounding the western monitoring area in parts of Dane, Iowa, Richland and Sauk counties and along the northeastern and eastern portions of the CWD-Management Zone (CWD-MZ) in parts of Dane, Dodge, Jefferson, Walworth and Waukesha counties.

The CWD-Management Zone covers all or parts of 18 counties and 22 deer management units (DMU) in southern Wisconsin.

Surveillance a Key Management Tool

Surveillance - the sampling and testing of deer - is one of the key components of DNR's disease management strategy, according to agency biologists and researchers.

This year the DNR will continue to examine and implement new strategies aimed at optimizing the "efficiency and possibility of detecting changes and trends in the location and prevalence of this disease" in the CWD-MZ, especially within the outer area of the disease's known distribution, according to Lopez.

Wildlife biologists will also be asking hunters to submit deer for sampling from areas around three deer farms in Crawford, Jefferson and Portage counties where CWD has previously been found in captive cervids.

Overall, DNR is planning to sample 8,950 adult deer in 2010. Through August 4, 2010 more than 159,000 free-ranging deer in Wisconsin have been analyzed for CWD with 1,354 testing positive for the disease. All positive deer were from within the current CWD-MZ.

FOR MORE INFORMATION CONTACT: Davin Lopez, CWD Coordinator, (608) 267-2948

Last Revised: Tuesday, August 10, 2010




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