The pig cold is caused by improper management of the pigs, sudden cold attacks, such as thief winds, winds in the temple, and winter heat preservation. It can occur in pigs of all ages, but it occurs more often in piglets. Change season, but not contagious. The main symptoms are elevated body temperature, cold part of the distal part or uneven skin temperature, tearing, clearing of nasal flow, purulent sputum, increased breathing, severe chills and cold, unwilling to walk, etc.; Secondary bronchial pneumonia.
Swine flu is caused by swine flu virus, which is contagious. It is often infected at the same time. The symptoms are similar to those of the common cold. The temperature of sick pigs is increased by more than 40 °C, sometimes as high as 42 °C. Eyes and nose often flow out of sticky secretions, sometimes with bloody nose, often shortness of breath, obvious abdominal breathing, mixed with intermittent cough, low or no food, dry stool, muscle and joint pain, lying, long The pigs are crowded together. The characteristics of swine flu are sudden onset, large group occurrence, and severe symptoms, but the course of disease is short, most pigs recover within one week, and a few pigs have secondary infections, and hemorrhagic pneumonia or enteritis causes death.
Anatomize the dead pigs and find that the lesions are mainly respiratory organs. Visible mucous membrane bleeding in the upper respiratory tract (nose, larynx, trachea, bronchus), a large amount of foamy liquid, or mixed with blood. Fresh beef-like lesions appear in the heart, tip and middle leaves of the lungs, which are purple-red and mostly irregular. The lung disease area is inflated, collapsed, and the surrounding lung tissue is emphysema (the appearance is pale). The hilar and mediastinal lymph nodes are edematous and congested.
No matter whether the pig has a cold or flu, there is no specific drug treatment. Symptomatic treatment with antipyretic analgesics and secondary infections with antibiotics or sulfa drugs. Chinese veterinary therapy is based on the principle of antipyretic and analgesic, hurricane and cold. It can be treated with compound aminopyrine, Chuanxinlian, Bupleurum, 30% analgin injection, etc. Chinese medicine can be used in the prescription of Yinqiaosan, Jingfu Baidu Powder and so on.
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