disease caused by infection with members of the genus Ehrlichia as well as some former members now in the genera Anaplasma and Neorickettsia.
canine granulocytic ehrlichiosis
infection of neutrophils and rarely eosinophils; usually a milder disease than that caused by E. canis (below) with lameness and joint swelling due to polyarthritis.
canine monocytic ehrlichiosis
caused by Ehrlichia canis which is transmitted by the brown dog tick, Rhipicephalus sanguineus. The disease is characterized by pancytopenia and bleeding tendencies, particularly epistaxis. Called also tropical canine pancytopenia, canine hemorrhagic fever, tracker dog disease, canine rickettsiosis, canine tick typhus, Nairobi bleeding disease, Lahore canine fever.
is an infectious disease caused by Anaplasma phagocytophila. The clinical syndrome comprises high fever, hemolytic anemia, incoordination, edema of the extremities and a marked leukopenia. The disease bears a strong resemblance to equine infectious anemia.
equine intestinal ehrlichiosis
a highly fatal enterocolitis of horses caused by Neorickettsiaristicii. Characterized by high fever, leukopenia and acute diarrhea. Called also Potomac horse fever, equine monocytic ehrlichiosis.