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Definition of HOG CHOLERA
: a highly infectious often fatal disease of swine caused by a flavivirus (species Classical swine fever virus of the genus Pestivirus) and characterized by fever, loss of appetite, weakness, erythematous lesions especially in light-skinned animals, and severe leukopenia
: a highly infectious often fatal disease of swine caused by a flavivirus of the genus Pestivirus (species Classical swine fever virus) and characterized by fever, loss of appetite, weakness, erythematous lesions especially in light-skinned animals, and severe leukopenia—called also swine fever; see african swine fever
Often fatal viral disease of swine in Europe, North America, and Africa, transmitted by vehicles used to carry pigs, people dealing with them, and uncooked garbage in feed. Fever progresses to symptoms that include appetite loss; affected eyes and digestive tract; respiratory difficulty; rash; and inflamed mouth and throat. The pig moves reluctantly and staggers; later it cannot rise; coma follows. Antiserum is rarely effective. Survivors become chronically ill and can spread the virus. Illness must be reported, infected animals slaughtered, and quarantine instituted. A vaccine can control it. The African strain causes death sooner and has no effective prevention or treatment.