498
A. Soliman and A. M. Safwat
13. NRC (1994) Nutrient requirements of poultry, 9th ed. National Research Council
14. Ruhnke I, Röhe I, Krämer C, Boroojeni FG, Knorr F, Mader A, Schulze E, Hafeez Abdul,
Neumann K, Löwe R, Zentek J (2015) The effects of particle size, milling method, and thermal
treatment of feed on performance, apparent ileal digestibility, and pH of the digesta in laying
hens. Poult Sci 94(4):692–699
15. Corzo A, Moran ET, Hoehler D (2003) Lysine needs of summer-reared male broilers from six
to eight weeks of age. Poult Sci 82:1602–1607
16. Lin H, Wang LF, Song JL, Xie YM, Yang QM (2002) Effect of dietary supplemental levels
of vitamin A on egg production and immune responses of heat-stressed laying hens. Poult Sci
81:458–465
17. Lin H, Jiao HC, Buyse J, Decuypere E (2006) Strategies for preventing heat stress in poultry.
World’s Poult Sci J 62:71–85
A. Soliman and A. M. Safwat
13. NRC (1994) Nutrient requirements of poultry, 9th ed. National Research Council
14. Ruhnke I, Röhe I, Krämer C, Boroojeni FG, Knorr F, Mader A, Schulze E, Hafeez Abdul,
Neumann K, Löwe R, Zentek J (2015) The effects of particle size, milling method, and thermal
treatment of feed on performance, apparent ileal digestibility, and pH of the digesta in laying
hens. Poult Sci 94(4):692–699
15. Corzo A, Moran ET, Hoehler D (2003) Lysine needs of summer-reared male broilers from six
to eight weeks of age. Poult Sci 82:1602–1607
16. Lin H, Wang LF, Song JL, Xie YM, Yang QM (2002) Effect of dietary supplemental levels
of vitamin A on egg production and immune responses of heat-stressed laying hens. Poult Sci
81:458–465
17. Lin H, Jiao HC, Buyse J, Decuypere E (2006) Strategies for preventing heat stress in poultry.
World’s Poult Sci J 62:71–85