Resistance of Brahman and Simmentaler cattle to Southern African ticks

dc.contributor.authorRechav, Y.
dc.contributor.authorDauth, J.
dc.contributor.authorEls, D.A.
dc.contributor.editorVerwoerd, Daniel Wynand
dc.date.accessioned2014-08-21T07:14:32Z
dc.date.available2014-08-21T07:14:32Z
dc.date.created2013
dc.date.issued1990
dc.descriptionThe 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
dc.description.abstractField collections of ticks from two breeds of cattle in the North Western Transvaal showed the common tick species to be Rhipicephalus appendiculatus, Amblyomma hebraeum, Rhipicephalus evertsi evertsi and Hyalomma marginatum rufipes. The number of these ticks was higher on Simmentaler than on Brahman cattle. Correlation was found between the number of ticks on the cattle and their serum gamma globulin levels indicating an increase in the production of antibodies. Similar correlation was also found between the number of ticks on the cattle and the number of eosinophils in their blood. Resistance was probably acquired by the hosts and, it appears, to a higher degree in Brahman than in Simmentaler.en
dc.description.librarianmn2014
dc.description.sponsorshipVeterinary Research Institute, Onderstepoort. CSIR, Pretoria.en
dc.identifier.citationRechav, Y, Dauth, J & Els, DA 1990, 'Resistance of Brahman and Simmentaler cattle to Southern African ticks'. Onderstepoort Journal of Veterinary Research, vol. 57, no. 1, pp. 7-12.en
dc.identifier.issn0330-2465
dc.identifier.urihttp://hdl.handle.net/2263/41471
dc.language.isoenen
dc.publisherPublished by the Government Printer, Pretoria.en
dc.rights©South Africa. Dept. of Agricultural Technical Services. ©University of Pretoria. Dept. of Library Services (digital).en
dc.subjectVeterinary medicineen
dc.subject.lcshVeterinary medicine -- South Africa
dc.titleResistance of Brahman and Simmentaler cattle to Southern African ticksen
dc.typeArticleen

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1990 Onderstepoort Journal of Veterinary Research, Volume 57, 1990
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