Pigs affected with hog cholera appear weak, staggering and tend to sit like a dog.
Pigs showing erythema in different areas of the skin
Purplish discoloration of the skin, ears, abdominal part, legs
'Goose-stepping' in hog cholera
Running movement, a nervous sign in hog cholera
Button ulcers in the ceco-colic
Normal-sized spleen with infarcts at the margin (black spots)
Petechial hemorrhages in the mucusa of the urinary bladder
Enlarged and hemorrhagic lymph nodes 
Piglets born from a hog cholera-infected sow
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