Direct prion transmission likely predominates during breeding season, but indirect interactions may be more common at socially attractive sites such as scrapes, the authors say.
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The Virginia Department of Wildlife Resources confirmed the fatal prion disease in a buck harvested by a hunter in November 2023.
The 3-year-old buck was found dead in the town of Wautoma, within 10 miles of the Marquette and Portage county borders.
Four white-tailed deer tested positive for the fatal neurodegenerative disease.
The buck was harvested near the border with Michigan, where CWD had already been detected.
Craighead County is in northeastern Arkansas, abutting Missouri and not far from the Tennessee border.
It may be possible for deer or non-cervid animals such as people to be exposed to prions from contaminated plants, but the CWD-prion species barrier in humans is thought to be high.
CWD prions (misfolded proteins) were found in a county scrape, or area that bucks defoliate by pawing, in June.
The BC Wildlife Federation reports 2 cases of the fatal neurodegenerative prion disease in a male mule deer and a female white-tailed deer in the southeastern part of the province.
The disease was confirmed in a buck mule deer in Deer Hunt Area 90 in December.
The CWD positive is the first at Sheboygan County farm, though the disease had been detected in the area's wild deer.
