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 buck was harvested in Millbrook Township in the west-central part of the state.
The deer was in the Hog Heaven Management Zone of the reservation, located in the western part of the state.
North American CWD prion strains have been detected in cervid muscle tissue, but this is the first identification of European CWD prion strains in cervid muscle.
The infected 1-year-old buck was harvested November 23 on private land less than 10 miles from borders with Calumet and Sheboygan counties.
The 3.5-year-old white-tailed doe was housed on a high-fence ranch in the central Texas county.
The finding triggered the renewal of baiting and feeding bans in 2 counties.
This effort, the first of its kind, expands on previous reports by exploring the potential for spillover and mitigation of related health and economic consequences.
CWD was first detected in wild deer in Idaho in 2021 and the following year in wild elk.
Roberts County is located in the Texas Panhandle, a 26-county region in the northernmost part of the state bordered by New Mexico and Oklahoma.
The disease was confirmed in a dead cow elk near Jackson, Wyoming, and a hunter-harvested deer in Alabama's Colbert County.
