Bioversity International, France, Bioversity International, World Agroforestry (ICRAF), International Water Management Institute (IWMI), World Agroforestry (ICRAF), International Water Management Institute (IWMI), Institut Agro - Montpellier, International Centre for Tropical Agriculture (CIAT), Kenya, International Water Management Institute (IWMI), International Water Management Institute, Bioversity International, Senegal, Université Montpellier I, International Food Policy Research Institute (IFPRI), Bioversity International, Bioversity International, India, International Centre for Tropical Agriculture (CIAT), International Center for Tropical Agriculture (CIAT), Centre International de Recherche et Développement pour l’Elevage en zones Sub humides (CIRDES), International Centre for Tropical Agriculture (CIAT), Peru, International Maize and Wheat Improvement Centre (CIMMYT), Zimbabwe and Independent

affiliation not provided to SSRN, University of Pretoria, affiliation not provided to SSRN, Cornell University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Centre International de Recherche et Développement pour l’Elevage en zones Sub humides (CIRDES), affiliation not provided to SSRN and affiliation not provided to SSRN

Centre International de Recherche et Développement pour l’Elevage en zones Sub humides (CIRDES), Abeokuta Federal University of Agriculture (UNAAB) - Department of Agricultural Economics and Farm Management, Université de Lomé - Centre d’Excellence Régional sur les Sciences Aviaires and Université d'Abomey-Calavi (UAC) - Faculty of Agronomic Sciences