Rekik M, Lassoued N, Ben Salem H and Tounsi I 2007: Reproductive traits of Tunisian Queue Fine de l’Ouest ewes fed on wheat straw supplemented with concentrate and Acacia cyanophylla Lindl. foliage with and without polyethylene glycol (PEG). Livestock Research for Rural Development. Volume 19, Article #174. Retrieved , from http://www.lrrd.org/lrrd19/11/reki19174.htm