Increased pathogenicity of an Ehrlichia-like agent after passage through Amblyomma hebraeum : a preliminary report
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| dc.contributor.author | Du Plessis, J.L.
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| dc.contributor.editor | Verwoerd, Daniel Wynand | |
| dc.date.accessioned | 2014-09-01T10:53:00Z | |
| dc.date.available | 2014-09-01T10:53:00Z | |
| dc.date.created | 2013 | |
| dc.date.issued | 1990 | |
| dc.description | The articles have been scanned in colour with a HP Scanjet 5590; 600dpi. Adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format. | en_US |
| dc.description.abstract | After being passaged through 3 generations of Amblyomma hebraeum, an Ehrlichia-like agent isolated from an adult Hyalomma truncatum female became more pathogenic and elicited a disease in sheep indistinguishable from heartwater. Cross-immunity between this agent and several stocks of Cowdria ruminantium and high levels of antibody elicited by the agent against 2 stocks of C. ruminantium in the indirect fluorescent antibody test, confirmed its close relationship to Cowdria. | en_US |
| dc.identifier.citation | Du Plessis, JL 1990, 'Increased pathogenicity of an Ehrlichia-like agent after passage through Amblyomma hebraeum : a preliminary report’, Onderstepoort Journal of Veterinary Research, vol. 57, no. 4, pp. 233-237. | en_US |
| dc.identifier.issn | 0330-2465 | |
| dc.identifier.uri | http://hdl.handle.net/2263/41868 | |
| dc.language.iso | en | en_US |
| dc.publisher | Published by the Government Printer, Pretoria. | en_US |
| dc.rights | ©South Africa. Dept. of Agricultural Technical Services. ©University of Pretoria. Dept. of Library Services (digital). | en_US |
| dc.subject | Veterinary medicine | en_US |
| dc.subject.lcsh | Veterinary medicine -- South Africa | |
| dc.title | Increased pathogenicity of an Ehrlichia-like agent after passage through Amblyomma hebraeum : a preliminary report | en_US |
| dc.type | Article | en_US |
