An attempt to improve the immunization of sheep against heart-water by using different combinations of 3 stocks of Cowdria ruminantium

Neither sheep immune to the Ball 3, the Kwanyanga or the Mara stocks of Cowdria ruminantium nor those immunized with combinations of these 3 stocks were protected against challenge with the Mali stock. Against challenge with the Welgevonden stock, however, immunization with each of the 3 combination...

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Bibliographic Details
Published in:Onderstepoort journal of veterinary research Vol. 57; no. 3; p. 205
Main Authors: du Plessis, J L, Potgieter, F T, van Gas, L
Format: Journal Article
Language:English
Published: South Africa 01.09.1990
Subjects:
Animals
Bacterial Vaccines - immunology
Cross Reactions - immunology
Heartwater Disease - immunology
Heartwater Disease - prevention & control
Rickettsiaceae - immunology
Sheep
Sheep Diseases - immunology
Sheep Diseases - prevention & control
Vaccination - veterinary
ISSN:0030-2465
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Summary:Neither sheep immune to the Ball 3, the Kwanyanga or the Mara stocks of Cowdria ruminantium nor those immunized with combinations of these 3 stocks were protected against challenge with the Mali stock. Against challenge with the Welgevonden stock, however, immunization with each of the 3 combinations and with single stocks effected a protective immunity.
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ISSN:0030-2465