Hassan, H.M.A., A. Samy, Amani W. Youssef, and M.A. Mohamed. 2018. “Using Different Feed Additives As Alternative to Antibiotic Growth Promoter to Improve Growth Performance and Carcass Traits of Broilers”. International Journal of Poultry Science 17 (6): 255–261. https://doi.org/10.3923/ijps.2018.255.261.