OLIVO, C. J.; DIEHL, M. S.; AGNOLIN, C. A.; BRATZ, V. F.; AGUIRRE, P. F.; SAUTER, C. P. <b&gt;forage systems mixed with forage legumes grazed by lactating cows. Acta Scientiarum. Animal Sciences, v. 39, n. 1, p. 19-26, 7 fev. 2017.