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The Experimental Transmission of Anaplasmosis by Debmacentor andersoni

Published online by Cambridge University Press:  06 April 2009

Charles W. Rees
Charles W. Rees
Affiliation:
Zoological Division, Bureau of Animal Industry, U.S.Department of Agriculture (Jeanerette, Louisiana).
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Extract

It has been determined that anaplasmosis may be transmitted by Dernmcentor andersoni under the following conditions: (1) Larvae may acquire the infection by engorging on a bovine whose blood contains anaplasms and may transmit the infection as nymphs to susceptible bovines; and (2) in a similar manner the nymphs may acquire the infection and transmit it as adults. The test of “hereditary” transmission was negative, i.e. the larvae did not apparently acquire the infection from adult females which engorged on carriers of anaplasmosis. Conditions of transmission by D. andersoni are the same as those which have thus far been determined by me for D. variabilis. The incrimination of these two species of tick points to the possibility that anaplasmosis occurring anywhere within the known range of distribution of that disease in the United States may be tick-borne so far as a coincident distribution of known tick carriers can establish this possibility.

Type
Research Article
Information
Parasitology , Volume 24 , Issue 4 , January 1933 , pp. 569 - 573
Copyright
Copyright © Cambridge University Press 1933

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References

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