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What are the clinical signs of West Nile virus infection for horses?

posted by Horse Owner Today    |   August 19, 2011 07:48

Animals (particularly horses) infected with the virus show neurological disturbances. Clinical signs may include:

  • ataxia (lack of coordination);
  • depression or lethargy;
  • fever;
  • head pressing or tilt;
  • impaired vision;
  • inability to swallow;
  • loss of appetite;
  • muscle weakness or twitching;
  • partial paralysis;
  • coma; and
  • death.

The clinical signs of WNV in mammals can be confused with rabies.

Most infected domestic birds do not show signs of infection, and only domestic geese appear to be particularly susceptible to disease and/or death when infected.

WNV-infected geese will show signs of depression, loss of appetite, inability to stand, weight loss and death. The virus can be difficult to distinguish from Newcastle Disease and Avian Influenza in domestic birds.

http://www.inspection.gc.ca/

 

 

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General | disease