The authors are very grateful to Jan Slingenbergh, FAO senior animal health officer, and Dominique Cuisance, CIRAD senior researcher, who were a permanent source of inspiration, not only during the writing of this paper, but mainly during the implementation phases of the various projects discussed in this paper.
The Togo data were collected within the framework of the Belgium-funded FAO projects GCP-TOG-013-BEL and GCPRAF-347-BEL. The authors are very grateful for the scientific and technical back-up and the administrative support of K. Adoméfa, P. Bastiaensen, B. Bauer, D. Bradley, R. De Deken, M. Denke, N. Doumandji, B. Hursey, Z. Issifou, T.B. Kagnaya, Ph. Marchot, J. Mortelmans, A. Napala, D.J. Rogers, S.M. Touré and J. Vercruysse. Fieldwork was conducted by teams led by K. Agrignan, A. Aliti, K. Amedji, D. Batawui, A. Body, M. Chambaud, B. Dao, A. Hévon, B.T. Kadjassi, J.D. Keita, T. Komlani, N’T. Kouagou, L. Lakougnon, P. Lanwi, T. Lémou, D. Ouatara, K. Somanin and S. Yacnambé.
In Burkina Faso data on the Mouhoun river system were collected within the framework of the Belgium-funded FAO project GCPRAF-347-BEL and complemented by data originating from recent work conducted by CIRDES teams and from the archive of Dr Issa Tamboura. Fieldwork on the Mouhoun river system (FAO project) was conducted by a team led by Issa Tamboura with the assistance of Zerbo L. Pierre, Daro Boukari, Sanou Tidiany and Sanou Siaka. The project also benefited from the technical input from Zowinde Koudougou.
The Sideradougou work benefited from inputs from M. Arnaud, X. Augusseau, Z. Bengaly F. Borne, G. Cuny, M. Desquesnes, G. De Wispelaere, S. Dray, C. Gauthier, S. Guillobez, V. Freyon, B. Geoffroy, L. Guerrini, I. Kabore, A. Lalba, T. Lefrançois, M. Lesnoff, M. Lounis, C. Meallet, N. Meftah, J.F. Michel, V. Michel, S. Ouédraogo, M. Passouant, L. Petiteau, I. Sidibé, P. Solano and I. Touré.
Much of the West African geographic information systems (GIS) work on livestock systems analysis, tsetse ecology bands and the selection of area-wide priority areas was conducted during a series of FAO/International Atomic Energy Agency (IAEA)-funded and PAAT workshops in Addis Ababa, Geneva, Rome and Vienna and was further refined for the purpose of this paper. This work benefited from many contributors including: A. Bado, D. Bourn, L. Budd, B. Dao, U. Feldman, R. Kastens, Z. Koudougou, C. Mahama, C. Mebrate, N. Okhoya, A. Serdebeogo, I. Tamboura and W. Wint.
