Cararo, L.M. et al. 2017. Evaluation of oregano essential oil as a growth promoter and resistance stimulator against Ichthyophthirius multifiliis (Protozoa, Ciliophora) in silver catfish juveniles, Rhamdia sp. (Siluriformes, Heptapteridae). Semina: Ciências Agrárias. 38, 6 (Nov. 2017), 3871–3886. DOI:https://doi.org/10.5433/1679-0359.2017v38n6p3871.