Pneumonia is a common disease of calf. It is more common in lobular pneumonia, and mostly caused by calf of 6-30 days old born in January-March from low temperature and cold weather. According to the investigation of the cause, the possible causes of the disease are various, including bad weather (cloudy, rainy, windy and low temperature at night), the dirty air or smoke in the barn, and so on. Clinical examination revealed mainly respiratory symptoms. The calf with pneumonia has a high mortality rate, and calves suffering from pneumonia are prone to respiratory diseases. Good results are obtained by treating antibiotics and sulfonamides with strong heart rehydration. Therefore, the author believed that the correct feeding management prevention should be adopted, and the treatment of sick cattle should be given in time to avoid causing greater economic losses. |