الفهرس 
Title: Impact of turmeric and/or cumin on performance and oxidation status of broiler chickens
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Abstract
An experimental feeding trial was conducted to visualize the impact of dietary Turmeric(Curcuma longa) and/or Cumin(Cyminum cyminum) fortification at a rate of 3 Kg/ton in broiler diets on growth performance, selected serum parameters, oxidation stress biomarkers, carcass traits as well as the related histo-morphological picture of some internal organs. Consequently, atotal of (240) one-day old chicks (Cobb 500) were randomly assigned into 4 equal groups each of three replicates (20 bird/ replicate). The first group was fed on corn- soya bean based basal diets (starter- grower- finisher) covering the nutrient requirements according to the recommendation of the breed manual without any supplementation and served as control group (G1). The second group (G2)was fed on the basal diets fortified with Cumin powder (3kg/ton). The third group (G3) was fed on the basal diets and fortified with Turmeric powder at the same inclusion rate. Meanwhile the diets of the fourth group (G4) were fortified with both additives at the same inclusion rate for each additive. The results revealed significant (P < 0.05) positive effectsof Turmeric and Cumin addition either separately or combined together (G2, G3 and G4) on most of growth performance traits. None of the examined serum parameters seemed to be affected by different dietary fortification. The highest (GSH), (GPx) and superoxide dismutase and lowest significant (MDA) levels were observed in the bird supplemented with turmeric and/or cumin in comparison to the control group, a situation that indicated a positive impact of both additives either added alone or in combination on antioxidant defense mechanisms