1. Department of Animal Sciences, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
2. International Institute of Tropical Agriculture, Kalemie, DR Congo
3. Department of Agricultural and Resource Economics, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
4. International Institute of Tropical Agriculture, Uvira, DR Congo
5. Institut National pour l’Etude et la Recherche Agronomique, INERA, Mulungu Station, DR Congo