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==Clinical signs==
==Clinical signs==
The disease in rabbits and rodents is usually characterised by diarrhoea, unkempt coat, depression and sudden death. Foals tend to be infected between one and six weeks of age. The disease is an acute septicaemia hepatitis
The disease in rabbits and rodents is usually characterised by an unkempt coat, depression and fatal diarrhoea. The disease in foals is an acute septicaemia hepatitis and foals between one and six weeks of age are affected. Clinical signs include depression, loss of suckle reflex, severe icterus, neurological signs, pyrexia and diarrhoea. Foals may be found dead with no preceding clinical signs.
==Pathology==
Grossly, hepatomegaly is present with multifocal white-grey areas of necrosis. The hepatic lymph nodes are often hyperplastic. On cut section the liver displays loss of normal architecture.