الفهرس 
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Abstract
This study aimed to assess the effect of dietary supplementation with different levels of Salvia officinalis and/or Origanum majorana on productive performance, ovarian follicular development, lipid peroxidation, anti-oxidative status, and egg quality in laying hens. Two hundred ninety-four 45-wks-old Bovans brown hens 25 weeks, with an egg production rate of 75%, were allocated into seven groups, with seven replicates of 6 hens each. The 1st group was fed with the basal unsupplemented diet and considered as a control (A); the second (B) and third (C) group were provided with the same control diet further supplemented with 0.5 and 1 kg/ton Salvia officinalis, respectively; the fourth (D) and fifth (E) groups received the control diet further supplemented with 0.5 and 1 kg/ton Origanum majorana, respectively, while the sixth (F) group was offered a diet supplemented with 0.5 kg/ton Salvia officinalis and 0.5 kg/ton Origanum majorana. Finally, the seventh (G) group fed the basal diet supplemented with 1 kg/ton Salvia officinalis and 1 kg/ton Origanum majorana.