1. Animal Health and Production College, PO Box TL 300, Tamale, Ghana
2. Knowledge, Technology and Innovation Group, Wageningen University, PO Box 8130, 6700 EW Wageningen, The Netherlands
3. Department of Agricultural Extension, College of Agriculture and Consumer Science, University of Ghana, PO Box LG 68, Legon, Ghana
4. Animal Production Systems Group, Wageningen University, PO Box 338, 6700 AH Wageningen, The Netherlands
5. Animal Research Institute, Council for Scientific and Industrial Research, PO Box AH 20, Accra, Ghana