1. The International Livestock Research Institute, Nairobi, Kenya
2. Service de Zootechnie-Alimentation, Ecole Inter-Etats Des Sciences Et Médecines Vétérinaires (EISMV) de Dakar, Dakar, Sénégal
3. Department of Agricultural Sciences, University of Helsinki, Helsinki, Finland
4. Natural Resources Institute Finland (Luke), Green technology, Jokioinen, Finland