This is the called of deer sick with 'CWD' (Chronic Wasting Disease), which affects deer from Canada and northern the UNITED States. It is a neurological disease of the type spongiform encephalopathy caused by a prior (self-replicating amino acid) as an infectious agent. The result of this disease is the erratic behavior of the animal, which stops feeding and moves aimlessly until his death, so he is associated with walking a zombie. See vacaloca, bovine spongiform encephalopathy, and by some mistake see also servant.
