Willis, W.L., et al. “Effect of Phase Feeding Supplemental Fungus Myceliated Grain on Oocyst Excretion and Performance of Broiler Chickens”. International Journal of Poultry Science, vol. 10, no. 1, Dec. 2010, pp. 1–3, https://doi.org/10.3923/ijps.2011.1.3.