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Babesia bigemina in Kenya: experimental transmission by Boophilus decoloratus and the production of tick-dervied stabilates

Published online by Cambridge University Press:  06 April 2009

S. P. Morzaria ,
A. S. Young  and
E. B. Hudson
S. P. Morzaria
Affiliation:
Immunological Research on Tick-borne Cattle Diseases and Tick control project, East African Veterinary Research Organization, Muguga, P.O. Box 32, Kikuya, Kenya
A. S. Young
Affiliation:
Immunological Research on Tick-borne Cattle Diseases and Tick control project, East African Veterinary Research Organization, Muguga, P.O. Box 32, Kikuya, Kenya
E. B. Hudson
Affiliation:
Immunological Research on Tick-borne Cattle Diseases and Tick control project, East African Veterinary Research Organization, Muguga, P.O. Box 32, Kikuya, Kenya
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Extract

A Babesia-free batch of laboratory reared Boophilus decoloratus ticks was infected with a Kenyan strain of Babesia bigemina by feeding them on a steer infected by inoculation of a blood stabilate. The engorged female ticks showed developing stages of B. bigemina in their haemolymph and subsequently their progeny transmitted the parasite to a susceptible splenectomized steer.

Attempts were made to produce stabilates from pre-fed larvae and nymphs derived from infected batches of B. decoloratus. Only the stabilates derived from the nymphs pre-fed either on cattle or rabbits produced B. bigemina infection when inoculated intravenously into susceptible cattle.

Type
Research Article
Information
Parasitology , Volume 74 , Issue 3 , June 1977 , pp. 291 - 298
Copyright
Copyright © Cambridge University Press 1977

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