Ehrlichial diseases.

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61 Scopus citations


Equine granulocytic and monocytic ehrlichiosis caused by Ehrlichia equi and E. risticii, respectively, are seasonal diseases in horses that occur throughout the United States E. equi is transmitted by lxodes ticks and causes high fever, depression, anorexia, limb edema, petechiation, icterus, ataxia, and stiffness in gait. E. risticii, also known as the agent of Potomac horse fever, causes a febrile illness with a colitis of variable severity. Its occurrence is associated with aquatic habitats. The natural route of transmission is oral, through the ingestion of E. risticii infected trematode stages either free in water or in an intermediate host, such as aquatic animals.

Original languageEnglish (US)
Pages (from-to)487-499, ix
JournalThe Veterinary clinics of North America. Equine practice
Issue number3
StatePublished - Dec 2000

ASJC Scopus subject areas

  • veterinary(all)


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