Tropical Animal Health and Production

, Volume 21, Issue 2, pp 129–134 | Cite as

Transmission ofTheileria parva bovis (Boleni strain) to cattle resistant to the brown ear tickRhipicephalus appendiculatus (Neumann)

  • B. H. Fivaz
  • R. A. I. Norval
  • J. A. Lawrence


Four crossbredBos taurus oxen resistant toRhipicephalus appendiculatus and three tick naive oxen of the same breed, which were all infested with adultR. appendiculatus infected with the Boleni strain ofTheileria parva bovis, acquiredTheileria infection. All four tick resistant oxen recovered after a mild febrile reaction. Two of the tick naive oxen died while the third recovered after a protracted period. It is suggested that tick resistance in cattle may be an important factor in establishing and maintaining enzootic stability inTheileria endemic areas.


Public Health Veterinary Medicine Endemic Area Cafe Protracted Period 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Transmission DeTheileria Parva Bovis (Souche Boleni) Au Betail Resistant A La Tique Brune De l'OreilleRhipicephalus Appendiculatus (Neumann)


Quatre boeufs croisésBos taurus résistants àRhipicephalus appendiculatus et trois taureaux de même race sensibles aux tiques, ont tous été infestés avec desR. appendiculatus adultes infectés par la souche Boleni deTheileria parva bovis; tous ont acquis l'infection àTheileria. Les quatre boeufs résistants aux tiques ont guéri après une faible réaction fébrile. Deux des boeufs sensibles aux tiques sont morts tandis que le troisième a guéri apès une période prolongée.

Il est suggéré que la résistance aux tiques puisse être un facteur important d'établissement et de maintien de la stabilité enzootique dans les zones à endémie deTheileria.

Transmision DeTheileria Parva Bovis (Cepa Boleni) A Bovinos Resistentes A La Garrapata Cafe De La OrejaRhipicephalus Appendiculatus (Neumann)


Cuatro bueyes cruzadosBos taurus resistentes aRhipicephalus appendiculatus y tres bueyes susceptibles de la misma raza, los cuales estaban todos infestados conR appendiculatus a su vez infectados (los ácaros) con la cepa Boleni deTheileria parva bovis, adquirieron theileriosis. Los cuatro bueyes resistentes se recuperaron después de una reacción febril pasajera. Dos de los bueyes susceptibles murieron y el tercero se recuperó después de un período de convalescencia prolongado.

Se sugiere, que el ganado resistente a garrapatas, pudiera ser un factor importante en el establecimiento y mantenimiento de la estabilidad enzoótica en áreas endémicas de theileriosis.


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Copyright information

© Longman Group Limited 1989

Authors and Affiliations

  • B. H. Fivaz
    • 1
  • R. A. I. Norval
    • 1
  • J. A. Lawrence
    • 1
  1. 1.Veterinary Research LaboratoryCausewayZimbabwe

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