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blackleg

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.

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"blackleg." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 19 Apr. 2018 <http://www.encyclopedia.com>.

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"blackleg." The Columbia Encyclopedia, 6th ed.. . Retrieved April 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/blackleg

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blackleg

blackleg The name given to a number of plant diseases in which symptoms include blackening of the base of the stem, often followed by the collapse of the stem. The diseases may be caused by any of several fungi or, less commonly, bacteria.

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"blackleg." A Dictionary of Ecology. . Encyclopedia.com. 19 Apr. 2018 <http://www.encyclopedia.com>.

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blackleg

blackleg The name given to a number of plant diseases in which symptoms include blackening of the base of the stem, often followed by the collapse of the stem. The diseases may be caused by any of several fungi or, less commonly, bacteria.

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"blackleg." A Dictionary of Plant Sciences. . Encyclopedia.com. 19 Apr. 2018 <http://www.encyclopedia.com>.

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"blackleg." A Dictionary of Plant Sciences. . Retrieved April 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/blackleg-0

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blackleg

blackleg a person who continues working when fellow workers are on strike. The term is recorded in this sense from the mid 19th century, but the origin of the name remains unknown.

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"blackleg." The Oxford Dictionary of Phrase and Fable. . Encyclopedia.com. 19 Apr. 2018 <http://www.encyclopedia.com>.

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blackleg

blacklegbeg, cleg, egg, Eigg, Greg, keg, leg, Meg, peg, skeg, teg, yegg •filibeg • blackleg • peg-leg • dogleg •foreleg • Oleg • bootleg • nutmeg •Winnipeg • clothes peg • thalweg

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"blackleg." Oxford Dictionary of Rhymes. . Encyclopedia.com. 19 Apr. 2018 <http://www.encyclopedia.com>.

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