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Disease: Equine Viral Arteritis

Last Updated: July 16, 2008 Related resource areas: Horses


Equine viral arteritis (EVA) is a contagious viral infection that affects horses and can have a particularly devastating effect on broodmares and stallions.

Agent

Virus

Route

Respiratory, venereal

Symptoms

  • Fever
  • Swelling of the limbs
  • Anorexia or lack of appetite
  • Depression
  • Swelling of the external genitalia in the male or of the mammary glands in the mare
  • Conjunctivitis
  • Nasal discharge
  • Skin rash (which may be localized around the head or the neck or may be generalized)
  • Abortion in pregnant mares
  • Severe pneumonia and sometimes death in very young foals

Treatment

No specific treatment of EVA

Prevention

Vaccination, testing breeding stallions as semen can spread disease


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