BILLINGS – A white-tailed deer killed last month northeast of Huntley tested positive on initial tests for chronic wasting disease (CWD). It marks an expansion of the area where the disease has been found. All previous south central Montana cases were confined to eastern Carbon County.

The two-year-old buck was humanely dispatched by Montana Fish, Wildlife and Parks after it exhibited symptoms of CWD. Initial tests run on laboratory samples sent to Colorado State University confirmed that the deer suffered from CWD.

As a result, FWP will establish a new CWD management zone that encompasses all...