Performance of Nelore beef cattle in pastures of Brachiaria brizantha cv. Marandu submitted to grazing intensities - Herling, Valdo Rodrigues; Luz, Pedro Henrique de Cerqueira; Peternelli, M.; Braga, G. J.; Pedreira, Carlos Guilherme Silveira; Lima, César Gonçalves de (World Conference on Animal Production, 2003)