What are the symptoms of bovine ephemeral fever? Disease manifestations and key points for identification

Symptoms of bovine ephemeral fever: sudden high fever, with body temperature above 40°C, lasting 3 days, hence it is called "three-day fever". Sick cattle shed tears, drool, have rapid breathing, swollen joints of the limbs, unsteady gait, and difficulty lifting the hind legs. At the beginning of the disease, the feces are relatively dry and dark in color, mixed with undigested food and mucus; later, diarrhea occurs, mixed with mucus. Urine output decreases, and the urine is dark brown and cloudy. The disease course is 2 to 3 days, sometimes up to 1 week.