| a natural case of chronic wasting disease in a free-ranging moose (alces alces shirasi). | chronic wasting disease (cwd) was diagnosed in a free-ranging moose (alces alces shirasi) killed by a hunter in jackson county, colorado, usa, in september 2005. the diagnosis was based upon immunohistochemistry (ihc) demonstrating the presence of accumulations of cwd-associated prion protein (prp(cwd)) in tissue sections of medulla oblongata at the level of the obex (dorsal motor nucleus of the vagus) and in retropharyngeal lymph node (rpln); additional testing by ihc revealed deposits of prp(c ... | 2007 | 17495319 |