Nunes, Aryana Duckur, et al. “Performance and Intestinal Morphology of Broilers of Cut Fed With Rations Containing Alternative Additive Instead of Antimicrobials”. Brazilian Journal of Veterinary Research and Animal Science, vol. 46, no. 6, Dec. 2009, pp. 500-6, https://doi.org/10.11606/S1413-95962009000600009.