Classical Swine Fever
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Description
Classical swine fevetr is a highly contagious disease of swine, caused by a Togavirus. The disease may be actue, sub-acute, chronic or persitent and is indistinguishable both clinically and pathologically in the field from African Swine Fever. The acute form is characterised by severe depression, high fever, superficial and internal haemorrhages, and high morbidity and mortality. The chronic form is characterised by anorexia, pyrxia and depression. Transplacental infection results in persistently infected piglets which constitute a major sources of virus spread in endemic situations.