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1 July 2000 Attempted Transmission of Ehrlichia chaffeensis among White-tailed Deer by Amblyomma maculatum
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Abstract

A deer was needle-exposed intravenously to Ehrlichia chaffeensis (Rickettsiales: Ehrlichieae) in canine macrophage (DH82) cells and 7 days later was infested with laboratory-reared Amblyomma maculatum (Koch) (Acari:Ixodidae) nymphs for acquisition feeding. After molting, the adult ticks were allowed to feed on a naive deer. The organism was reisolated from the needle-exposed deer by cell culture and E. chaffeensis DNA was detected in the deer's blood by PCR. Similar isolation/recovery techniques were used for the tick-exposed deer and no evidence of infection was found. Although these findings must be considered as preliminary owing to inadequate controls, the data suggest that A. maculatum is probably not a suitable vector for E. chaffeensis.

Kocan, Ewing, Stallknecht, Murphy, Little, Whitworth, and Barker: Attempted Transmission of Ehrlichia chaffeensis among White-tailed Deer by Amblyomma maculatum
A. Alan Kocan, S. A. Ewing, David Stallknecht, George L. Murphy, Susan Little, Lisa C. Whitworth, and R. W. Barker "Attempted Transmission of Ehrlichia chaffeensis among White-tailed Deer by Amblyomma maculatum," Journal of Wildlife Diseases 36(3), 592-594, (1 July 2000). https://doi.org/10.7589/0090-3558-36.3.592
Received: 14 May 1999; Published: 1 July 2000
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