Onu, P.N., and M.O. Otuma. “Utilization of Heat-Treated Sheep Dropping in the Diets of Broiler Finisher Chicks ”. International Journal of Poultry Science, vol. 7, no. 2, Jan. 2008, pp. 169–173, https://doi.org/10.3923/ijps.2008.169.173.