Chronic wasting disease (CWD) intensified its deadly spread across Wisconsin’s farm country during 2025, with the Department of Natural Resources (DNR) documenting a record 2,022 CWD cases in a record 41 counties for a record detection rate of 11.2%.
That marks the fourth straight increase in CWD detection rates, up from 10.3% in 2024, 9.1% in 2023, 8.7% in 2022 and 7.7% in 2021.
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