blackleg

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blackleg

(blăk′lĕg′)
n.
An infectious, usually fatal bacterial disease of cattle and sometimes of sheep, goats, and swine, caused by Clostridium chauvoei and characterized by gas-containing swellings in the musculature.
Veterinary medicine An often lethal disease of young calves and sheep, characterised by a settling of gelatinous matter in the extremities and neck caused by Clostridium chauvoei, the spores of which can live in the soil for years and which are ingested and enter the blood via defects in the gastrointestinal mucosa

blackleg

an acute, infectious myositis principally of cattle, caused by Clostridium chauvoei. The lesion arises without the need for any external injury. The animal is profoundly toxemic with a high fever and usually a very swollen painful thigh. The skin is gangrenous, and emphysema can be palpated in the subcutis. Death occurs in 12 to 36 hours.

pseudo-blackleg
see malignant edema. Called also gas gangrene.
stable blackleg
see malignant edema. Called also gas gangrene.