EFFECT OF DIFFERENT LEVELS OF SELENIUM-ENRICHED SACCHROMYCES CEREVISIAE ON THE PRODUCTION PERFORMANCE, EGG QUALITY, LIPID PROFILE, ANTIOXIDANT STATUS, AND INTESTINAL MICROBIAL STRUCTURE OF LAYING HENS UNDER HOT CONDITIONS

Elbaz, A. M.; Ashmawy, Eman S.; Farahat, M. A.; Thabet, Hany; Gad, Ghada G.;