E   back to resource centre home   Equine Flu By Horse SA www.horsesa.asn.au What to look out for: • Fever (up to 41 °C) after 1–5 days incubation • Frequent dry, hacking cough • Nasal discharge, moving from clear to thick • Lethargic, loss of appetite • Foals or weak horses may die • High number of horses exposed will get sick • Virus can spread on equipment and in trucks