Difference between revisions of "Ehrlichia risticii"

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**Inactivated vaccines
 
**Inactivated vaccines
  
[[Category:Rickettsiales]][[Category:Horse]]
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[[Category:Rickettsiales]][[Category:Horse Bacteria]]
 
[[Category:To_Do_-_Bacteria]]
 
[[Category:To_Do_-_Bacteria]]

Latest revision as of 11:40, 29 July 2010

Potomac horse fever

  • Caused by Ehrlichia risticii
  • Occurs during the summer
  • Fluke vector
  • Infects epithelial cells of colon and Monocytes, macrophages and mast cells
  • Clinical signs
    • Fever, anorexia, depression, diarrhoea, colic, leukopenia, laminitis
  • 30% mortality
  • Can cause abortion
  • Hyperaemia of large intestine at post mortem
  • Diagnosis
    • Seroconversion detected by indirect immunofluorescence or ELISA
  • Treatment and control
    • Oxytetracycline for 1 week
    • Inactivated vaccines