Equine Respiratory Disease

Equine Respiratory Disease Considerations

Isolation

• Strangles suspects
• EHV-1 suspects (special instructions)
• Horses with a fever >102°F (38.9°C), and any 2 of the following 3 signs; cough, nasal discharge, lymphopenia

Exception to Isolation

• Horses with a fever >102°F (38.9°C), and any 2 of the following 3 signs; cough, nasal discharge, lymphopenia, where the clinical signs have been present for at least 10 days (e.g., pleuropneumonia)

Laboratory Procedures Required

• Virus identification (from nasopharyngeal swab)
• Equine influenza (ELISA); EHV 1/EHV 4 (PCR)
• Microbiologic culture and sensitivity– swab, discharge
• Serological titers from paired blood samples EHV 1, EHV 4, EVA, Equine influenza