“Glycerin levels for crossbred heifers supplemented in pasture: intake behavior - 10.4025/actascianimsci.v34i1.12520”, Acta Sci. Anim. Sci., vol. 34, nº 1, p. 63–69, jun. 2011, doi: 10.4025/actascianimsci.v34i1.12520.