in taxon necrotising myelopathy, non-human animal multifocal symmetrical necrotizing encephalomyelopathy, Simmental cattle https://github.com/monarch-initiative/mondo/issues/7271 MONDO:1012698 Any necrotising myelopathy that occurs in calves of the Simmental breed of cattle and is characterized by progressive hindlimb ataxia and paralysis and bilateral symmetrical foci of necrosis throughout the grey matter of the brain. OMIA:001490-9913 Bos taurus