publicações selecionadas Efeito da utilização de narasina em diferentes sistemas de criação de ovinos Milk yield and composition from ewes fed diets containing narasin and their lambs? performance Effect of narasin supplementation on performance of lambs fed high-forage diets Effects of supplementation with narasin, salinomycin, or flavomycin on performance and ruminal fermentation characteristics of Bos indicus Nellore cattle fed with forage-based diets Residual effect of narasin on ruminal fermentation characteristics in lambs Brazilian red pepper leaves essential oil (Schinus terebinthifolius) in diets for feedlot lambs