1. Department of Disease Control School of Veterinary Medicine The University of Zambia Lusaka Zambia
2. Centre International de Recherche Agricole pour le Dévelopement UPR AGIRs Montpellier France
3. Department of Biological Sciences RP‐PCP University of Zimbabwe Harare Zimbabwe
4. Department of Para Clinical Studies School of Veterinary Medicine The University of Zambia Lusaka Zambia