Shanoon, Ammar K., et al. “Effects of Ginger (Zingiber Officinale) Oil on Growth Performance and Microbial Population of Broiler Ross 308”. International Journal of Poultry Science, vol. 11, no. 9, Aug. 2012, pp. 589–593, https://doi.org/10.3923/ijps.2012.589.593.