1. Department of Animal Production, Faculty of Agriculture and Environmental Studies, Université Evangélique en Afrique (UEA), Bukavu, Democratic Republic of the Congo.
2. Bio-Medical Laboratory, Université Evangélique en Afrique (UEA), Bukavu, Democratic Republic of the Congo.
3. Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Hatfield 0028, South Africa.