Thirty-six Egyptian local cross males, 42 weeks old, were housed individually in cages in an opensided
building under 16 h light:8 h dark and were provided with commercial feed and water ad libitum.
Birds were divided into 4 groups: DEX (4 mg/bird/d), Vit E (200 mg/kg diet), DEXþVit E (4 mg/bird/
dþ200 mg/kg diet, respectively) and control, n¼9. All treatments lasted for 7 continuous days