TY - SER AU - Abou-Ashour,A.M. AU - Soltan,M.E. AU - Abdel-Rahman,s.A. AU - Fayek,H.M. AU - Nasr,A.M.E. TI - Effect of dietary supplementation with different sources and levels of selenium on its concentration in eggs produced from gimmizah hens KW - Hens KW - Nutrition KW - Chickens KW - Feeding and feeds KW - Eggs KW - Quality KW - Production KW - Selenium in animal nutrition N1 - Includes references N2 - This study was designed to investigate the effect of dietary supplementation with three different sources of selenium, 5e1Plex ™ (5P), 05Y-NRCE (OS) and sodium selenite, Na,SeO" 45% 5e (55) at levels of 25, 50, 100, 200 and 400 g/kg of laying hen diets containing oxidized palm oil (as a nutritional stress agent) on egg yolk and albumen selenium concentrations. At 35 wks of age, 255 Gimmizah local strain laying hens were randomly divided into seventeen equal groups UR - http://nile.enal.sci.eg/EALE/2010/EJAR/8810/4/1351.pdf ER -