Equine viral rhinopneumonitis

EQUINE VIRAL PNEUMONITIS

Etiology

  • Herpes virus equi type 4

Susceptibility

  • 1-4 years

Clinical signs

  • Fever
  • Congestion of nasal and conjunctival mucosa
  • Dry hacking cough
  • Recovery within 2-4 days
  • Death in complicated cases
  • “Roaring” due to paralysis of recurrent laryngeal nerve in few cases

Gross lesions

  • Haemorrhagic or purulent bronchopneumonia
  • Disseminated abscesses

Microscopic  lesions

  • Intranuclear inclusions in respiratory epithelium, purulent rhinitis, tracheitis, and pneumonia
Last modified: Wednesday, 21 December 2011, 6:35 AM