Aroeira, L.J.M. et al. 2001. Daily intake of lactating crossbred cows grazing elephant grass rotationally. Pesquisa Agropecuaria Brasileira. 36, 6 (Jun. 2001), 911–917. DOI:https://doi.org/10.1590/S1678-3921.pab2001.v36.6211.