Productive and reproductive performance of a buffalo herd, located at Paracuru, west cost of Ceará State, were evaluated. Animals were raised in feedlot conditions, with two daily milking. Data from 87 Murrah dams breed, collected from 1984 to 1998 were analysed. The statistical analysis was carried out by GLM procedure (SAS, 1990), fitting a mixed linear model. The observed means for total milk yield, lactation length, milk yield at peak, age at first calving and calving interval, were: 2130.80+535.60kg, 301.41+49.30days, […]