A new study out of Wyoming shows that continued high harvest of adult bucks over a 20-year period can help bring down CWD prevalence rates.
In a rare bit of good news about chronic wasting disease, a new paper shows that harvesting more deer — specifically adult bucks — is better for slowing the spread of the contagious neurological disease that’s fatal to deer and elk. The conclusion comes from an analysis of two decades worth of CWD disease trends in 10 Wyoming mule deer herds, where CWD has been linked (among other factors like habitat loss and energy development) to deer declines. After analyzing Wyoming’s CWD track record as it correlates to harvest, the study’s authors predict that harvesting 40 percent of adult bucks (or two out of five) every year for 20 years could keep the prevalence of CWD in that herd at just 5 percent.
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