In Brazil, cattle grazing signal grass (Brachiaria decumbens ) and B. brizantha pastures at 3.1 head/ha gained 0.35 kg/head/day over a 3 year period, whereas grass pastures oversown with C. mucunoides gained 0.40 kg/head/day over the same period. The legume percentage decreased linearly from the 1st to the 3rd year.