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Know CWD website

Know CWD website [exit DNR] Included on this site is general information about CWD in Wisconsin including common misconceptions.

Chronic wasting disease test results

An extensive chronic wasting disease (CWD) surveillance program has been conducted in Wisconsin since 2002. Sample intensity has been sufficient in the majority of the state to have a high degree of confidence that CWD would have been detected if it exists at 1 percent prevalence.

Individual results

By clicking on a link below, you will go to the CWD test result database. The database will be updated as new test results are received by the Department of Natural Resources, from the Wisconsin Veterinary Diagnostic Laboratory and other labs. If you do not see complete results for a deer or county please be patient. Tests results are added as they become available. We release information on negative test results within a day after they are received. We release information on positive test results as soon as they are confirmed and we have contacted the hunter.

CWD Barcode

Search for Specific Deer

Please click on one of the following to view CWD test results. Totals are available for all years or by individual year.

Results for an individual year are for the CWD year which runs from April 1 through March 31. For example the results for the 2007 CWD year would be April 1, 2007 through March 31, 2008.

Interactive CWD mapping application

A CWD results mapping application is available for users to explore CWD results in all areas of the state as well as create maps. This application shows harvest locations of all deer tested for CWD including the positive test results.

This site is best viewed with Internet Explorer 8 or higher. For best performance, a high speed Internet connection is recommended. Dialup connection to this site is not recommended. This site uses the Microsoft Silverlight plug-in for your web browser. If you do not have the Silverlight plug-in installed, you will be prompted to install it.

Contact information
For information on CWD results, contact:
Erin Larson
CWD Data Coordinator
Bureau of Wildlife Management
608-264-6054
Last revised: Monday June 09 2014