1. Laboratory of Agro-Biotechnology and Nutrition in Semi-Arid areas, Faculté des Sciences , Université Ibn Khaldoun , 14000 Tiaret , Algeria
2. Naturalia Environment, Green Park – Bât C , 149, Avenue du Golf , Baillargues 34670 , France
3. Behavior and Ecology of Wild Fauna, National Institute of Agronomic Research , University of Toulouse, CS 52627 , 31326 Castanet Tolosan cedex , France