the building complex was then fumigated, washed and disinfected with 1% formalin solution. birth were reared in land cages of 1.0 m (length)x 1.0 m (width)x 1.0 m (height). the rearing land cages, feeding and drinking units were installed and fumigated 24 h before introducing the broiler into the unit two hundred male ross 308 chicks were purchased and transferred into the rearing area. during the experimental period the temperature of the building was thermostatically maintained temperrature of the building was thermostatically maintained using two gasoline rocket heaters. water was regularly sprayed onto the floor and air relative humidity was maintained at 55-65%
on the first day, a total of 24h of lighting was provided, which was followed by 23h of lighting per day for the remaining