Latif, Abdalla A.; Hove, T.; Kanhai, G.K.; Masaka, S.; Pegram, R.G.; Boomker, Jacob Diederik Frederik(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
Fifty-nine Hereford cattle susceptible to tick-borne diseases were used as tracer animals to assess the tick challenge and pathogenicity of Theileria parva under field conditions in Zimbabwe. They were moved periodically ...
Walker, Jane B.; Keirans, J.E.; Pegram, R.G.; Verwoerd, Daniel Wynand(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
This tick, originally referred to as Rhipicephalus species Ill by Yeoman & Walker (1967), was first collected
from a sitatunga, Tragelaphus spekei, and then occasionally from cattle, in Tanzania. Further collections,
mostly ...
Walker, Jane B.; Keirans, J.E.; Pegram, R.G.; Verwoerd, Daniel Wynand(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)
Descriptions of the adults of this new species are given, together with information on its hosts and distribution.
Previously it was referred to briefly by Walker, Keirans, Pegram & Clifford (1988), who noted
that in ...
