1. Nooitgedacht Research Station, Animal Research, Non-ruminant Sub-directorate, Department of Agriculture, Rural Development, Land Administration and Environmental Affairs,
South Africa
2. Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa,
South Africa
3. Parasitology Unit, Department of Agriculture, Rural Development, Land and Environmental Affairs, Mpumalanga Provincial Veterinary Laboratory,
South Africa
4. Food and Agriculture Organization of the United Nations,
Italy
5. Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria,
South Africa