Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius)
We present findings from an outbreak of a heartwater-like disease in camels that killed at least 2000 adult animals in Kenya in 2016. Clinical signs included excitability, head pressing, aimless wandering, recumbency, and fast breathing followed by death after about 4 days. The observed morbidity in...
| Autores principales: | , , , , , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Springer
2021
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/111076 |
| _version_ | 1855530051022356480 |
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| author | Younan, M. Ouso, D.O. Bodha, B. Keitany, E.K. Wesonga, H.O. Sitawa, R. Kimutai, J. Kuria, W. Sake, W.S. Svitek, Nicholas Landmann, T. Wako, Diba Dida Villinger, J. |
| author_browse | Bodha, B. Keitany, E.K. Kimutai, J. Kuria, W. Landmann, T. Ouso, D.O. Sake, W.S. Sitawa, R. Svitek, Nicholas Villinger, J. Wako, Diba Dida Wesonga, H.O. Younan, M. |
| author_facet | Younan, M. Ouso, D.O. Bodha, B. Keitany, E.K. Wesonga, H.O. Sitawa, R. Kimutai, J. Kuria, W. Sake, W.S. Svitek, Nicholas Landmann, T. Wako, Diba Dida Villinger, J. |
| author_sort | Younan, M. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | We present findings from an outbreak of a heartwater-like disease in camels that killed at least 2000 adult animals in Kenya in 2016. Clinical signs included excitability, head pressing, aimless wandering, recumbency, and fast breathing followed by death after about 4 days. The observed morbidity in one herd was 40% with an average mortality of 7.5% in animals that received early antibiotic treatments. In untreated adults, the case fatality rate reached 100%. Gross pathology showed pulmonary edema, pleural exudate, hydrothorax, hydropericardium, ascites, enlarged “cooked” liver, nephrosis, and blood in the abomasum and intestine. Using established PCR-based protocols for tick-borne pathogens, a sequence close to Ehrlichia regneryi and Ehrlichia canis amplified in blood from two sick camels. We also amplified an Ehrlichia sp. sequence close to Ehrlichia ruminantium Welgevonden from a pool of Amblyomma spp. ticks collected from a sick camel and in a pool of Rhipicephalus spp. ticks from healthy camels. |
| format | Journal Article |
| id | CGSpace111076 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | CGSpace1110762025-08-15T13:22:14Z Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius) Younan, M. Ouso, D.O. Bodha, B. Keitany, E.K. Wesonga, H.O. Sitawa, R. Kimutai, J. Kuria, W. Sake, W.S. Svitek, Nicholas Landmann, T. Wako, Diba Dida Villinger, J. animal diseases camels heartwater We present findings from an outbreak of a heartwater-like disease in camels that killed at least 2000 adult animals in Kenya in 2016. Clinical signs included excitability, head pressing, aimless wandering, recumbency, and fast breathing followed by death after about 4 days. The observed morbidity in one herd was 40% with an average mortality of 7.5% in animals that received early antibiotic treatments. In untreated adults, the case fatality rate reached 100%. Gross pathology showed pulmonary edema, pleural exudate, hydrothorax, hydropericardium, ascites, enlarged “cooked” liver, nephrosis, and blood in the abomasum and intestine. Using established PCR-based protocols for tick-borne pathogens, a sequence close to Ehrlichia regneryi and Ehrlichia canis amplified in blood from two sick camels. We also amplified an Ehrlichia sp. sequence close to Ehrlichia ruminantium Welgevonden from a pool of Amblyomma spp. ticks collected from a sick camel and in a pool of Rhipicephalus spp. ticks from healthy camels. 2021-03 2021-02-01T09:15:51Z 2021-02-01T09:15:51Z Journal Article https://hdl.handle.net/10568/111076 en Limited Access Springer Younan, M., Ouso, D.O., Bodha, B., Keitany, E.K., Wesonga, H.O., Sitawa, R., Kimutai, J., Kuria, W., Sake, W.S., Svitek, N., Landmann, T., Wako, D.D. and Villinger, J. 2021. Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius). Tropical Animal Health and Production 53: 147. |
| spellingShingle | animal diseases camels heartwater Younan, M. Ouso, D.O. Bodha, B. Keitany, E.K. Wesonga, H.O. Sitawa, R. Kimutai, J. Kuria, W. Sake, W.S. Svitek, Nicholas Landmann, T. Wako, Diba Dida Villinger, J. Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius) |
| title | Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius) |
| title_full | Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius) |
| title_fullStr | Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius) |
| title_full_unstemmed | Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius) |
| title_short | Ehrlichia spp. close to Ehrlichia ruminantium, Ehrlichia canis, and “Candidatus Ehrlichia regneryi” linked to heartwater-like disease in Kenyan camels (Camelus dromedarius) |
| title_sort | ehrlichia spp close to ehrlichia ruminantium ehrlichia canis and candidatus ehrlichia regneryi linked to heartwater like disease in kenyan camels camelus dromedarius |
| topic | animal diseases camels heartwater |
| url | https://hdl.handle.net/10568/111076 |
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