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Disease: Equine Rhinopneuomonitis

Last Updated: July 15, 2008 Related resource areas: Horses


Equine viral rhinopneumonitis (EVR) produces an acute respiratory catarrh, which is an inflammation of the mucus membranes with free nasal discharge. The Type I strain of EVR is the most common virus found in horses.

Agent

Virus

Route

Direct or indirect contact with virus-laden nasal discharge, aborted fetus, or placenta

Symptoms

  • Congestion and clear nasal discharge
  • Mild to severe ataxia or paresis (slight or incomplete paralysis) of hind quarters
  • Fever for two to three days
  • Cough
  • Abortion after three to 12 weeks of exposure and most commonly in the eighth to 11th month of gestation
  • Mutated form of paralytic type may be fatal

Treatment

Isolate infected horses and initiate good sanitary and hygiene management

Prevention

Annual vaccinations and good sanitary practices


For more information, see Equine Viral Rhinopneumonitis in Horses.


More information

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