All TSEs are progressive and ultimately fatal
diseases. All of the animal TSEs, with the exception
of Scrapie and CWD, can only be diagnosed definitively on necropsy.
CWD can be diagnosed via a biopsy of the tonsil or conjunctiva and then
performing PrP immunohistochemistry. A negative result, however, does
that the animal is free of the disease(18).
considered the causative agent for a number of animal
Transmissible Mink Encephalopathy