Equine Serum Hepatitis

Also known as:

Theiller's Disease reported in horses given serum of equine origin tetanus pregnant mare serum uknown aetiology suggested it may be of infectious cause, perhaps a virus disease manifests itself between one to two months post injection Clinical jaundice neurological signs death follows quickly Gross jaundice ascites haemorrhages on and in many organs liver is greeenish with reddish and pale blotches fibrin strands on the liver surface Microscopically liver cells very fatty (large single vacuoles), some degenerated and a few leukocytes moderate portal fibrosis heavily bile stained