Difference between revisions of "Mycoplasma mycoides subsp. mycoides"

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===[[Respiratory Bacterial Infections - Pathology#Contagious bovine pleuropneumonia (CBPP)|Contagious bovine pleuropneumonia]]===
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''M.mycoides'' is a species of the ''[[Mycoplasmas species - Overview|Mycoplasmas]]'' genus. The subsp. ''mycoides'' causes [[Contagious Bovine Pleuropneumonia|Contagious bovine pleuropneumonia]], a severe contagious disease of cattle that is endemic in Africa, the Middle East and Asia.
  
*[[Contagious Bovine Pleuropneumonia|Contagious bovine pleuropneumonia]] is caused by ''M. mycoides'' subsp. ''mycoides'' small colony type
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[[Category:Mycoplasmas]][[Category:Cattle]]
*A severe contagious disease of cattle
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For more information see [[Respiratory Bacterial Infections - Pathology#Contagious bovine pleuropneumonia (CBPP)|Contagious bovine pleuropneumonia]].
*Endemic in Africa, the Middle East and Asia
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[[Category:To_Do_-_AimeeHicks]]
*Aerosol transmission by close contact with clinically or subclinically affected animals
 
*Severity depends on strain and host susceptibility
 
*Slow spread of infection
 
*50% morbidity; mortality rate high in severe outbreaks
 
*Large colony type causes pleuropneumonia, mastitis, septicaemia and polyarthritis
 
 
 
*Clinical signs
 
**Acute onset fever, anorexia, depression, lowered milk yield, hyperpnoea, coughing and a mucopurulent nasal discharge
 
**Dyspnoea occurs with abducted elbows and extended necks and an expiratory grunt
 
**Can be fatal within 1-3 weeks
 
**Calves may suffer from [[Joints Inflammatory - Pathology#In Cattle|arthritis]], synovitis and endocarditis
 
 
 
*Gross pathology
 
**Marbled appearance to lungs with consolidated grey and red lobules separated by emphysematous areas
 
**Serofibrinous pleural fluid
 
**Necrotic foci surrounded by fibrous capsules in chronic cases act as source of infection
 
 
 
*Diagnosis
 
**Clinical signs and post-mortem appearance
 
**PCR on pleural fluid, lung tissue, regional lymph nodes or bronchoalveolar lavage fluid
 
**Fluorescent antibody test
 
**Serological tests such as serum agglutination, haemagglutination, complement fixation, ELISA
 
 
 
*Treatment and control
 
**Slaughter of affected cattle in counries where the disease is exotic
 
**Movement restrictions, quaranteen and slaughter of carrier animals in endemic countries
 
 
 
 
 
*''M. mycoides'' subsp. 'mycoides'' causes septicaemia, pleuropneumonia, arthritis and mastitis in goats
 
 
 
**Vaccination in endemic regions[[Category:Mycoplasmas]][[Category:Cattle]]
 
[[Category:Goat]]
 
[[Category:To_Do_-_Bacteria]]
 

Revision as of 11:30, 2 August 2010



M.mycoides is a species of the Mycoplasmas genus. The subsp. mycoides causes Contagious bovine pleuropneumonia, a severe contagious disease of cattle that is endemic in Africa, the Middle East and Asia. For more information see Contagious bovine pleuropneumonia.