Bovine spongiform encephalopathy and other transmissible spongiform encephalopathies in men and animals

bovin cattle control de enfermedades death diagnosis diagnostic disease control encefalitis encephalitis enfermedades humanas ganado bovino human diseases infecciones latentes infection infection latente latent infections maladie de l'homme mort mortalidad mortalite mortality muerte necropsie nervous system postmortem examination sistema nervioso symptome symptoms