The performance of the lattice feeder was evaluated and an average increase in ginning output of 8.46% at full capacity and 6.26% at half capacity of feeder was found. An overall 7% increase in ginning output was observed with the use of lattice feeder. It assists in even and constant distribution of loosened seed cotton along the knife edges of the beater. No adverse effect was observed on the fibre properties by the use of lattice feeder. The net income per day using feeder was found to be Rs.141 per day.