Equine Protozoal Myeloencephalitis

Description

Signalment

Diagnosis

Clinical Signs

Laboratory tests

Radiography

Biopsy

Pathology

Treatment

Prognosis

References

    • Necrotising encephalomyelitis affecting the grey and white matter of the CNS
    • Caused by Sarcocystis neurona
    • Opossum thought to be the definitive host
    • Horses thought to be accidental hosts
    • Natural intermediate hosts currently unknown
    • Western Blotting shows 50% of horses in the USA are seropositive
    • Risk factors poorly understood
    • Causes spinal cord dysfunction
      • Ataxia and paralysis