Oyagbemi, A.A., A.B. Saba, and R.O.A. Arowolo. 2008. “Safety Evaluation of Prolonged Administration of Stresroak® in Grower Cockerels”. International Journal of Poultry Science 7 (6): 574–578. https://doi.org/10.3923/ijps.2008.574.578.