The experiment was conducted to evaluate the effect of using different types of litter with or without alum on Ross broiler chick's performance, carcass parts and some blood parameters.A total number of 648 of Ross broiler chicks one day old. The birds divided into six treatments (T)of floor litter: T1 birds were raised on wood shavings litter, T2 birds were raised on wood shavings litter with alum, T3 birds were raised on wheat straw litter, T4 birds were raised on Wheat straw litter with alum, T5 birds were raised on sand litter and T6 birds were raised on sand litter with alum. Each...