TY - SER AU - El-Sheikh,A.M.H. AU - Abd El-Hamid,E.A. AU - El-Kady,Nehal,K. TI - Effect of essential phospholipids on some productive and physiological traits of laying hens KW - Eggs KW - Quality KW - Production KW - Essential fatty acids KW - Physiological effect KW - Laying hens N1 - Includes references N2 - This study was designed to investigate the effect of essential phospho!lpid,' (EPL), a, a hypocholestrolemic drug UR - http://nile.enal.sci.eg/EALE/2009/EPSJ/2909/IV/993.pdf ER -