Literaturdatenbank
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Peter, T. F., Mahan, S. M., & Burridge, M. J. (2001). Resistance of leopard tortoises and helmeted guineafowl to cowdria ruminantium infection (heartwater). Veterinary Parasitology, 98(4), 299–307.
Added by: Admin (14 Aug 2008 22:46:52 UTC) Last edited by: Beate Pfau (14 Sep 2008 09:13:46 UTC) |
| Resource type: Journal Article BibTeX citation key: Peter2001 View all bibliographic details  |
Categories: General Keywords: Bakterien = bacteria, Geochelone, Parasiten = parasites, Schildkröten = turtles + tortoises, Stigmochelys, Stigmochelys pardalis, Testudinidae, Veterinärmedizin = veterinary medicine Creators: Burridge, Mahan, Peter Collection: Veterinary Parasitology |
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| Abstract |
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Testudinidae Geochelone pardalis Experimental infection trials were conducted to investigate susceptibility of leopard tortoises (Geochelone pardalis) and helmeted guineafowl (Numida meleagris) to infection with Cowdria ruminantium, the causative agent of heartwater, a tickborne disease of domestic and wild ruminants. Ten guineafowl were inoculated intravenously with a virulent dose of C. ruminantium derived from bovine endothelial cell cultures, and four leopard tortoises were exposed to C. ruminantium infection by the feeding of infected Amblyomma hebraeum ticks. Uninfected A. hebraeum ticks (on both tortoises and guineafowl) and Amblyomma marmoreum ticks (on tortoises only) were fed on the animals during weeks 2 and 3 post-exposure in an attempt to detect infection. These ticks were analysed for C. ruminantium infection by xenodiagnosis and with the C. ruminantium-specific pCS20 polymerase chain reaction (PCR) assay. Attempts to detect infection in ticks fed on either species were negative by both tests. These results suggest that leopard tortoises and helmeted guineafowl are refractory to C. ruminantium infection and, therefore, are unlikely to be capable of introducing heartwater directly into new areas. However, leopard tortoises are efficient hosts of A. marmoreum and A. hebraeum and are likely to be important epidemiologically in the transport and maintenance of these tick vector species.
Added by: Admin Last edited by: Beate Pfau |