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blackleg |
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blackleg or black quarter, acute infectious disease of cattle, less often of sheep, caused by an organism of the genus Clostridium. It is characterized by inflammation of muscles with swelling and pain in the affected areas. Toxins formed by the organism produce severe muscle damage, and mortality is high. Animals between the ages of six months and two years are most commonly affected. Treatment with large doses of antibiotics is only partially successful; in endemic areas, young animals can be vaccinated for prevention. blackleg an acute infectious disease of cattle, sheep, and pigs, characterized by gas-filled swellings, esp on the legs, caused by Clostridium bacteria blackleg [′blak‚leg] (veterinary medicine) An acute, usually fatal bacterial disease of cattle, and occasionally of sheep, goats, and swine, caused byClostridium chauvoei. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In the case of Lyme disease, for example, a bacterial pathogen causes the disease to occur in white-footed mice, which then passes it on through blacklegged ticks. Estimating population size and drag efficiency for the blacklegged tick (Acari: Ixodidae). Both diseases are transmitted by blacklegged ticks (Ixodes scapularis Say) that are abundant in southern New York state (2). |
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