1. The development of high fever (more than 40 °C) is usually the first clinical sign of the disease, which is accompanied by depression, loss of appetite, rapid and difficult breathing, and discharges from the nose and eyes.
1. L'apparition d'une forte fièvre (plus de 40 °C) est généralement le premier signe clinique de la maladie, qui s'accompagne des symptômes suivants: dépression, inappétence, respiration rapide et difficile, écoulements nasaux et oculaires.