1. CGIAR, International Livestock Research Institute (ILRI), Nairobi P.O. Box 30709-00100, Kenya
2. Department of Agricultural Science and Technology, Kenyatta University, Nairobi P.O. Box 43844-00100, Kenya
3. Lake Victoria Basin Commission, Kisumu P.O. Box 1510-40100, Kenya
4. Sustainable Tropical Actions (STA), Yaoundé, Cameroon
5. Institute of Agricultural Research for Development (IRAD), BP. 2123, Yaoundé, Cameroon
6. International Institute of Tropical Agriculture (IITA), Ibadan 200001, Nigeria