1. At the early stage of the disease, piglets will have loss of appetite, depression, chills, drowsiness, conjunctival flushing and other symptoms.
2, the nose will become dry, runny nose, increased urination, urine color change.
3. With the development of the disease, the body temperature will rise, and the high fever above 40℃ will not retreat, and the sick pig will have symptoms such as shortness of breath and cough.
4、
By the middle stage of the disease, the condition will become more and more serious. The pig's appetite was completely destroyed, the skin temperature was uneven, the symptoms of chills were alleviated, the nose mirror was dry, and viscous nasal fluid flowed out.
5. Decreased urine volume, reddish urine color, discharge of dry granular feces, dark color, mixed with mucus or blood. At this stage, the pig's ears feel different temperatures, the bowel sounds are weakened or irregular, and the high fever persists.