TY - SER AU - Abd El Gawad,A.H AU - Ghazalah,A.A AU - Soliman,S.M. AU - El Abbady,M.R. AU - Youssef,Amany W. TI - The productive performance of laying hens in hot environments as affected by dietary energy and protein levels KW - Poultry KW - Feeding and feeds KW - Physiology KW - Eggs KW - Production KW - Heat KW - Physiological effect N1 - Includes references N2 - An experiment was carried out, during the summer season, in Egypt to study the effect of different dietary energy and protein levels on the productive performance of laying hens under hot environments UR - http://nile.enal.sci.eg/EALE/2005/MUJAS/3005/7/3611.pdf ER -