Browsing Theses and Dissertations (Veterinary Tropical Diseases) by Supervisor "Bosman, Anna-Mari"

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Molecular characterization of mycoplasmas species isolated from the genital tract of Dorper sheep in South Africa

Ali, Habu (University of Pretoria, 2012-11-22)

Mycoplasmas are prokaryotic micro-organisms belonging to the class Mollicutes, which lacks rigid cell walls. Their genomic size ranges from 500-1500 bp. It causes a wide variety of different diseases in small ruminants and ...
The distribution of Amblyomma variegatum and A. hebraeum in Zimbabwe and their infection with Ehrlichia ruminantium and Rickettsia africae

Mandara, Stephen (University of Pretoria, 2018)

The aim of this study was to give an update on the spatial distribution of the Amblyomma tick species in Zimbabwe and their infection rates with Ehrlichia ruminantium and Rickettsia africae pathogens. A total of 183 ticks ...

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