1. Laboratoire d’Elevage et de la Faune Sauvage, Institut des Régions Arides-Médenine, Médenine, Tunisia
2. CITAB-Centre for the Research and Technology of Agro-Environment and Biological Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
3. CECAV-Animal Science Department, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal