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.
References in periodicals archive ?
chauvoei alone, confirming the diagnosis of clostridial myocarditis, a manifestation of blackleg that commonly leads to sudden death in bovines (UZAL et al.
We met some real miners at Big Pit and they still talk about the blacklegs.
Study area: A total of (n=750) swab and (n=50) tissue samples of cattle suspected for blackleg reported in six districts (please provide details) of Punjab Pakistan were collected aseptically placed in ice bags and transported to Department of Pathology University of Veterinary and Animal Sciences Lahore (Pakistan) for the isolation and identification of Clostridium chauvoei.
Instead they imported men from an organisation called the National Free Labour Association and for the railwaymen these were blacklegs, a word that would return to haunt them.
Blackleg spores are either eaten by the animals or enter animals through an open wound, according to the wire service.
It turned out the old guy had been a scab, or blackleg, during the General Strike in 1927.
More sensitive and accurate PCR diagnostics are replacing elisa as the preferred testing method, and the 'state of the art' QPCR (Quantitive Polymerase Chain Reaction) test for blackleg (erwinia carotovora pv atroseptica) developed in collaboration with the Scottish Crop Research Institute in Invergowrie, Dundee, is undertaken on all Higgins' commercial seed stocks as well as stocks designed for replanting the following season.
Out of the 32 head of cattle that we brought out, 15 died with blackleg before we could vaccinate.
is probably blackleg [caused by Leptosphaeria maculans (Desmaz.
At the Potato Council's Sutton Bridge experimental unit, storage specialist Adrian Cunnington said: "A lot of the problems appear to be secondary bacterial rots triggered by small amounts of blight, blackleg or pink rot in the tubers.