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Am J Vet Res. 1975 Jul;36(7):937-40.

Transmission of Ehrlichia canis to dogs by ticks (Rhipicephalus sanguineus).


Two strains of Rhipicephalus sanguineus acquired Ehrlichia canis by feeding as either larvae or nymphs on acutely infected dogs and, in subsequent instars, transmitted the agent to normal dogs. Three strains of R sanguineus transmitted E canis as adults after their larval and nymphal stages fed on infected dogs. More than 400 adult female ticks were fed on infected dogs as larvae or nymphs or both, but none transmitted E canis transovarially.

[Indexed for MEDLINE]

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