The lesions are characterized by changes in hemorrhagic sepsis. Lymph node swelling bleeding, marbled appearance. Hemorrhage of kidney is swollen and it is freckled kidney. There is a purple-black infarction at the edge of the spleen. Gallbladder, tonsils bleeding, infarction. Oral mucosa, heart, lungs, stomach, intestines, bladders have bleeding spots or bleeding spots, and even form ulcers. Blind mouth ulcer buttonhole. Cerebral edema, increased cerebral effusion, costal cartilage joints to the proximal ribs form a clear bone ridge line.
Differential diagnosis
Note the difference with PRRS, septic paratyphoid, swine erysipelas, swine streptococcus, porcine pulmonary epidemic, toxoplasmosis, pig contagious pleuropneumonia.