1. Department of Animal Sciences and Techniques, Faculty of Agricultural and Environmental Sciences, University Dan Dicko Dankoulodo of Maradi, Maradi, Niger.
2. Unit of Veterinary Diagnostic, Qualys Tulle, France.
3. Fundamental and Applied Research for Animals and Health, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium.
4. Department of Animal Productions, University Boubakar Bâ of Tillabéri, Niger.
5. Centre de Recherche Médicale et Sanitaire (Medical and Health Research Center), CERMES, Niamey, Niger.