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Contagious Caprine Pleuropneumonia (view source)
Revision as of 12:41, 6 April 2011
, 12:41, 6 April 2011no edit summary
== Introduction ==
== Introduction ==
This condition is caused by [[Mycoplasma capricolum subsp. capricolum]] and occasionally ''M. mycoides'' subsp. ''capri'' or [[Mycoplasma mycoides subsp. mycoides|''M. mycoides'' subsp. ''mycoides'']]. It is a member of the Mycoplasma mycoides cluster which includes M. mycoides subsp. mycoides SC (MmmSC), M. mycoides subsp. mycoides LC (MmmLC), M. mycoides subsp. capri (Mmc), M. capricolum subsp. capricolum (Mcca) and Mycoplasma species bovine group 7 (Bg7), an uncharacterized bovine isolate, which causes other diseases of ruminants. CCPP is a significant disease of goats in Africa, the Middle East and Western Asia, and is characterized primarily by its contagious nature. The disease causes interstitial, fibrinous pleuropneumonia, interlobular oedema and hepatization of the lung causing high mortality rates of up to 80%.
Contagious caprine pleuropneumonia (CCPP) is a cause of major economic losses to goat production in at least 30 countries in Africa and Asia containing a total goat population of more than 300 million.
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This condition is caused by [[Mycoplasma capricolum subsp. capricolum]] and occasionally ''M. mycoides'' subsp. ''capri'' or [[Mycoplasma mycoides subsp. mycoides|''M. mycoides'' subsp. ''mycoides'']]. It is a member of the Mycoplasma mycoides cluster which includes M. mycoides subsp. mycoides SC (MmmSC), M. mycoides subsp. mycoides LC (MmmLC), M. mycoides subsp. capri (Mmc), M. capricolum subsp. capricolum (Mcca) and Mycoplasma species bovine group 7 (Bg7), an uncharacterized bovine isolate, which causes other diseases of ruminants. CCPP is a significant disease of goats in Africa, the Middle East and Western Asia, and is characterized primarily by its contagious nature. The disease causes interstitial, fibrinous pleuropneumonia, interlobular oedema and hepatization of the lung causing high mortality rates of up to 80% and morbidity rates of up to 100%.
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The most important distinguishing features of CCPP, with respect to the other goat respiratory mycoplasmoses, were defined by Hutcheon and are quoted as follows: the disease is readily contagious to susceptible goats; sheep and cattle are not affected by disease; local oedematous reactions do not occur in goats when infective inoculum is given subcutaneously (Hutcheon, 1889).
The most important distinguishing features of CCPP, with respect to the other goat respiratory mycoplasmoses, were defined by Hutcheon and are quoted as follows: the disease is readily contagious to susceptible goats; sheep and cattle are not affected by disease; local oedematous reactions do not occur in goats when infective inoculum is given subcutaneously (Hutcheon, 1889).