Infection rates with Cowdria ruminantium of nymphs and adults of the bont tick Amblyomma hebraeum collected in the field in Zimbabwe.

@article{Norval1990InfectionRW,
  title={Infection rates with Cowdria ruminantium of nymphs and adults of the bont tick Amblyomma hebraeum collected in the field in Zimbabwe.},
  author={R. Andrew I. Norval and Hills Andrew and Conrad E. Yunker},
  journal={Veterinary parasitology},
  year={1990},
  volume={36 3-4},
  pages={
          277-83
        }
}
Cowdria ruminantium (heatwater) infection rates of field populations of the bont tick, Amblyomma hebraeum, were determined at two locations in the southern lowveld of Zimbabwe. At Mbizi Quarantine Station, unfed adult males and females, and nymphs were collected at intervals over a 2-year period using traps. At Lemco Ranch, engorged nymphs were collected on three occasions from weaner calves and allowed to moult to adults. The unfed ticks were fed in small pools on heartwater-susceptible sheep… CONTINUE READING