Pulici, P.M.M. et al. 2014. Use of oregano essential oil, salinomycin and bacitracin zinc in diets of broiler chickens. Brazilian Journal of Veterinary Research and Animal Science. 51, 2 (Sep. 2014), 131–135. DOI:https://doi.org/10.11606/issn.1678-4456.v51i2p131-135.