Clinical symptoms of foot and mouth disease?

summary

Foot and mouth disease is a kind of infectious disease. Foot and mouth disease (FMD) of pigs is one of the infectious diseases, because there are a lot of pig breeding now, and we also attach great importance to the prevention and control of FMD. Prevention and prevention of foot-and-mouth disease is the first choice to solve foot-and-mouth disease.

Clinical symptoms of foot and mouth disease?

The characteristic symptoms of the disease are blisters on hoof crowns, hoof forks, nose mirrors and sow nipples. The blisters are filled with grayish white or yellowish liquid. At the beginning, the blisters are only the size of grains of rice to mung beans, and then they fuse together to the size of broad beans to walnuts. After 12 days, the blisters burst, fester or scab, some hoof shells fall off, and gradually recover after 35 days. At the beginning of the disease, the body temperature was 40-41 ℃ and lameness appeared.

Necropsy visible lesions: necropsy visible lesions mainly in the heart, pericardial hemorrhage spots, pericardial effusion, myocardial section can be seen in gray or light yellow spots or stripes. In addition, gastrointestinal mucosal hemorrhagic inflammation can also appear.

The treatment of foot-and-mouth disease of pigs: 1. After finding the symptoms of foot-and-mouth disease of pigs, immediately remove the bedding grass in the circle, strictly disinfect, replace with thick, short bedding grass or clean the fresh soil without bacteria. 2. It is found that piglets suffering from foot-and-mouth disease can be treated with high immune blood at the initial stage. The dosage is 2ml / kg body weight, intramuscular injection or subcutaneous injection.

matters needing attention

1% potassium permanganate. 1% ～ 2% iodine tincture glycerin mixture can be coated on the erosive surface. The hooves can be rinsed with 3% Lysol, dried and then coated with ichthyolith ointment or zinc oxide cod liver oil ointment. 4. Glutaraldehyde (Kouxin) can also be used to treat foot-and-mouth disease in pigs. According to the data, intramuscular injection is also effective.