الفهرس 
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Abstract
A total number of ١٣٥, unsexed, Rex weaned rabbits, (٥ weeks br old)were randomly divided into nine experimental groups (١٥ rabbits br each). The treatment groups were as follows: the first group received a br commercial pelleted diet (Basal diet)and served as control, the second br and third groups were supplemented with ٧٫٥ or ١٥g Harmala seeds(Peganum harmala L.), (HS)the fourth and fifth groups were supplemented with ٧٫٥ or ١٥g Eruca sativa (Rocket)seeds (ES), br respectively, the sixth and seventh groups received (٣٫٧٥g HS + ٣٫٧٥g br ES, mixture I)or ٧٫٥g HS+٧٫٥g ES (mixture II)/kg diet, respectively, br while the eighth and ninth groups were supplemented with ٧٥ or ١٥٠ mg br Zinc (Zn)/kg diet which was added as a Zinc sulfate (ZnSO O), over the recommended zinc needed to meet the nutritional requirements, respectively. The results showed that rabbits group which received diet supplemented with ٧٫٥ g ES/kg gave the highest final body weight and daily body weight gain followed by those fed diets supplemented with ١٥٠ mg zinc or ١٥ g HS/kg diet compared with control diet or the other treated groups. Rabbits received diet supplemented with ١٥ g mixture -#102;-#114;-#111;-#109; HS - ES/kg had the lowest daily feed consumption and best feed conversion ratio. There were no significant differences in digestibility coefficients of crude protein, ether extract, nitrogen free extract and nutritive values (DCP and TDN)and plasma concentrations of total protein, albumin, globulin and creatinine among treated groups. Higher br ٤ .٥H٢ CF digestibility, dressing percentage and hot carcass weight and lowest br kidneys fat weight percentages were found by adding HS, ES or zinc into rabbit diets. The highest ratio of A/G was for rabbits fed diet supplemented with ١٥ g mixed herbs (٧٫٥g HS+٧٫٥g ES)/kg diet, but the br lowest value of A/G ratio was showed for rabbits group received control br diet. Plasma cholesterol and total lipids decreased significantly for all br groups, especially in ٧٥ mg zinc group compared with control.Evidently, it could be concluded that using harmala, Eruca sativa seeds and zinc as growth enhancers improved the productive performance, br nutrients digestibility, dressing percentage and reduced plasma total lipids and cholesterol of growing rabbits .