African swine fever

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In the acute stage of ASF white-skinned pigs become flushed to cyanotic, particu

In the acute stage of ASF white-skinned pigs become flushed to cyanotic, particularly the ears, lower legs, and ventral abdomen

Term: 2012
Published: November 19, 2012
Revised: February 28, 2014

The virus that causes this disease is physically and behaviourally unique in many respects but only the introduction of domestic pigs to Africa by European missionaries and settlers starting several centuries ago revealed its pathogenic potential. Prior to that, the virus had existed in an underground commensal relationship with warthogs and argasid ticks that live in their burrows and feed on their blood. ASF was first reported as a disease distinct from classical swine fever in Kenya in 1921, followed shortly by Angola and South Africa. However, in the last 50-60 years the virus has shown a remarkable ability to infect pigs and has invaded many other parts of the world.

About The Instructor

Dr Mary-Louise Penrith

Dr Mary-Louise Penrith

  • BVSc (Hons) (Pretoria), BSc (Hons) (Zoology) (Cape Town), PhD (Cape Town), DSc (Pretoria)
  • Extraordinary professor, Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, South Africa.
  • Expert consultant to the Food & Agriculture Organization of United Nations on epidemiology and control of African swine fever.
  • Director: TAD Scientific c.c.
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This Work, African swine fever, by Dr Mary-Louise Penrith is licensed under a Creative Commons Attribution license.