R. Awad¹*, H. Titi², A. Mohamed-Brahmi³, M. Jaouad⁴, A. Gasmi-Boubaker⁵
¹ Department of Animal Production, National Agronomic Institute of Tunisia. Carthage University, Tunis, 1082, Tunisia,
² Department of Animal Production, Faculty of Agriculture, the University of Jordan, Amman, 999045, Jordan,
³ Higher School of Agriculture of Kef, Laboratory for the Sustainability of Production Systems in the North-West Region. University of Jendouba, Kef, 7119, Tunisia,
⁴ d Institute of Arid Regions Médenine, Laboratory of Economy and Rural Societies, Médenine,4119, Tunisia,
⁵ Department of Animal Production, National Agronomic Institute of Tunisia. Carthage University, Tunis, 1082, Tunisia,