The currentresearch assessed for dietary desiccated Yucca Schidigera (YS) addition effects on ducks productivity features as well as economical evaluation at summer time. Used 300 Domyati ducks, 26-weeks-old (240 females and 60 drakes), that split to egalitarian three empirical groups at random in a completely randomized design. The first one was considered as control and consumed the basal diet; while the second and third empirical groups were consumed the basal diet after adding 150 and 300 mg YS/kg respectively, through 26-37 weeks of age. The results summarized that, ducks fed on both YS levels had superior (p < 0.001) values of egg number and mass, and feed conversion ratio as well as low feed consumed amount compared with those fed the basal diet without any addition through the entire tested period. Spermatozoa concentration and live spermatozoa (%) were (p < 0.001) elevated for drakes fed on 300 mg YS/kg diet, in addition to lower dead sperms (%) than those fed the basal diet. Females fed diet added with YS produced eggs that (p < 0.001) higher in hatching features compared to the control. Adding YS to ducks diet caused a greater haemoglobin, RBC,. Serum total cholesterol, liver ALT and AST enzymes and MDA were significantly attenuated by dietary 300 mg YS/kg. Conclusively, adding 300 mg YS/ kg diet produced an advantageous effects of ducks productivity characteristics as well as economical evaluation through summer conditions.