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DNR study links chronic wasting disease prevalence to reduced deer survival and declining population growth at high prevalence

2174787 · January 22, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

A multi-year DNR study using GPS-collared deer and live/necropsy testing found that chronic wasting disease substantially lowers adult survival and that population growth becomes negative near about 29% CWD prevalence in adult females.

The Department of Natural Resources presented results of a multi-year study on Jan. 22 that quantified how chronic wasting disease (CWD) affects white-tailed deer survival and population growth.

Dr. Dan Storm (presented as Dan Storm in the transcript), the DNR's deer research scientist, summarized field work that began in 2017 in southwest Wisconsin (primarily northern Iowa County). The project collared more than 760 deer with GPS units and sampled more than 300 newborn fawns; rectal…

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