Juasook , A., et al. “Changes in Sporulation, Packed Cell Volume, Malondialdehyde Level, Fecal Oocyst Count and Histopathology of Eimeria Tenella-Infected Broilers Treated With Pineapple (Ananas Comosus) Crude Extracts”. International Journal of Poultry Science, vol. 16, no. 5, Apr. 2017, pp. 189–195, https://doi.org/10.3923/ijps.2017.189.195.