Effect of tannins and monensin on rumen fermentation and feed energy partitioning of Nellore cows - Tseu, Ramos Jorge; Perna Junior, Flavio; Carvalho, R. F; Sene, Guilherme Acácio de; Tropaldi, Cristiane Barbosa; Peres, A. H; Anjos, F. Dos; Rodrigues, Paulo Henrique Mazza (Iranian Journal of Applied Animal Science, 2021)