Livest. Sci. Livest. Sci. Effects of diet supplementation with clove and rosemary essential oils and protected oils (eugenol, thymol and vanillin) on animal performance, carcass characteristics, digestibility, and ingestive behavior activities for Nellore heifers finished in feedlot Souza K.A.D. Monteschio J.D.O. Mottin C. Ramos T.R. Pinto L.A.D.M. Eiras C.E. Guerrero A. Universidad de Zaragoza Prado I.N.D. 2019 research-article