The detection of antibodies cross-reacting with Cowdria ruminantium in the sera of domestic ruminants in regions of South Africa where Amblyomma hebraeum does not occur
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Date
Authors
Du Plessis, J.L.
Boersema, B.R.
Van Strijp, M.F.
Journal Title
Journal ISSN
Volume Title
Publisher
Published by the Agricultural Research Council, Onderstepoort Veterinary Institute
Abstract
High levels of seropositivity, in all probability attributable to Ehrlichia, were recorded in the serum of
domestic ruminants throughout districts in South Africa where Amblyomma hebraeum, the vector of
the heartwater agent, does not occur. The antibodies, detected with the indirect fluorescent antibody
(IFA) and the indirect ELISA tests, cross-reacted with Cowdria ruminantium, which was used as antigen
in both tests.
A combination of the IFA and ELISA tests, currently employed to detect antibodies to C. ruminantium,
facilitates the handling of appreciable numbers of sera and ensures maximum reliability.
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Keywords
Veterinary medicine
Sustainable Development Goals
Citation
Du Plessis, JL, Boersema, BR & Van Strijp, MF 1994, 'The detection of antibodies cross-reacting with Cowdria ruminantium in the sera of domestic ruminants in regions of South Africa where Amblyomma hebraeum does not occur’, Onderstepoort Journal of Veterinary Research, vol. 61, no. 4, pp. 277-281.