10 diseases can cause pigs to die

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The most acute form of swine fever has experienced acute morbidity and suddenly died. The necropsy showed that there were different degrees of bleeding spots on the organs, enlarged lymph nodes, small amounts of bleeding in the cortex of the kidneys, and purple-black hemorrhagic infarctions in the spleen. A typical feature is that the ileocecal valve has a button-like wheel-like ulcer.

Pigs with acute septicemia in pig erysipelas do not show any symptoms, ie sudden death. Diseased pigs mainly exhibited sepsis changes, with blue and purple spots on the skin, finger pressure fading, necropsy showed swelling of the spleen, cherry red, congestion and enlargement of the lymph nodes, kidneys spread around the tip of the size of the bleeding, the bottom of the stomach and small intestine have serious Hemorrhagic inflammation.

Hyperpathogenic porcine blue ear disease is an acute, highly lethal disease caused by a variant strain of porcine reproductive and respiratory syndrome (commonly known as blue ear disease) virus. The body temperature of the sick pig increased above 41°C, conjunctivitis of the eye, eyelid edema, cough, asthma and other respiratory symptoms. Necropsy revealed infarcts on the edge or surface of the spleen, yellowish kidneys, visible bleeding spots in internal organs, and some gastrointestinal bleeding, ulcers, and necrosis.

Pigs edema disease multiple times before and after the weaning pigs, and sometimes a swine pig suddenly became sick, and soon died, sometimes only 1 or 2 of the hair died. The main manifestations are head edema, ringing, hoarseness, lower extremities and purple ears. The necropsy showed edema of gastric curvature, mesenteric edema, lymphadenopathy of the whole body, and parenchymal organs with bleeding spots.
Clostridial enteritis (Pigus erythrocephala) mainly occurs in piglets less than 7 days of age, especially in 1st to 3rd day old pigs, but in recent years it has been found that Clostridium perfringens Type C can cause Big pigs or even fattening pigs and adult pigs died of sudden death. The autopsy showed dark red jejunum, bloody contents in the intestinal lumen, and bright red mesenteric lymph nodes.

The most acute cases of contagious pleuropneumonia often fall suddenly and fall to the ground. A pale red foam-like fluid flows out of the nose and mouth. In cases of acute cases, the body temperature rises above 42°C. Breathing is extremely difficult. The pale red foam-like fluid flows from the nose and mouth. Died within hours. The necropsy revealed that the trachea and bronchi were filled with light red foam-like liquid, the lungs were red-purple to black-red, and the lung pulp had cellulose exudation, and the pulmonary lobules were widened.

Mycotoxin poisoning occurs suddenly after feeding on mold-contaminated feed. Sudden deaths are often based on chronic poisoning. Severe cases do not show symptoms and suddenly die. In acute cases, the hindquarters are weak, walking and shaking, and they can die in sports. The necropsy showed subcutaneous jelly-like infiltration, muscles had small blood spots, the liver was swollen and yellow, the surface had bleeding points, gastrointestinal bleeding, and enlarged lymph nodes.

The porcine white muscle disease is caused by selenium deficiency and vitamin E deficiency. It mostly occurs in piglets less than 2 months of age. The sick pigs are healthy and well-fed. Under the influence of stress factors, they scream suddenly and die suddenly. The necropsy revealed that the skeletal muscles (especially the buttocks and thigh muscles) were dark in color and had grayish white stripes. The septum muscles had radial stripes. The heart was mulberry-like, the liver was swollen, hard and brittle, and the surface was rough with a betel-like pattern.

Intestinal hemorrhage syndrome is caused by stress. Boars and pigs aged 6 months to 9 months will suddenly die. The necropsy revealed that there was a lot of blood in the small intestine. The bleeding usually spread from the ileum to the entire small intestine and large intestine, but no obvious bleeding points could be found. Sudden death syndrome is caused by severe symptoms of sudden death without symptoms. If boars are over-excited when they are mated, they may panic when they catch up, and they may be overcrowded during transportation. This may be due to the fact that the nerves are too tight and cause sudden death.

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