Acknowledgements

The following are thanked who helped with the supervision of the original research on which the subject matter is based: Professors M.L. Kyomo, P.H. Petersen (deceased) and G.H. Kiwuwa.

Support of other staff from the following institutions is also acknowledged: Ministry of Agriculture, Animals Industry and Fisheries (MAAIF), Department of Animal Science and Health, Royal Veterinary and Agricultural University, Copenhagen, Denmark, Department of Animal Science of the Faculty of Agriculture and Forestry, Makerere University and International Livestock Research Institute. Many extension workers and farmers cooperated in data collection, too many to list here.

The research was sponsored by the Danish International Development Assistance (DANIDA).