Birds and housing: Three hundred day-old female turkeys of a commercial turkey strain (B.U.T. big 6) were purchased from a commercial hatchery. The birds were randomly assigned to 4 dietary treatments; twenty five birds per pen and three replicate pens per treatment (0.36 m2 per bird) with used wood shavings over concrete floors. Each pen was contained two trough feeder and one water trough. Birds were brooded using whole house brooding, Indoor temperature was 32°C at the beginning of the experiment and step by step reduced 2°C every week to reach a constant temperature of 22±2°C. The lighting was a continuous 24 h in the first three days and then were reduced to 22 h lighting and so until the second week of life and after the second week until the week (12) was used intermittent lighting as follows program: (16 L:2 D:3 L:3 D). The test diets and water were available ad libitum.