A total, 120 Vencobb commercial broilers were
equally divided into four groups T0, T1, T2 and T3which
were supplemented with neem leaf powder @ 0 gm,
1 gm, 2 gm and 3 gm/kg of broiler ration.
The chicks were reared on deep litter system
under standard managerial practice though out the
experimental period. Broiler starter mash was given
upto two weeks and finisher ration was fed adlibtum
from third to sixth weeks to both control and treatment
groups. Live body weights, weekly weight gain, feed
consumption and feed efficiency was recorded for each
group during six weeks of experimental period. The
collected data was stastically analyzed as per
procedure given by Snedecor and Cochran (1967).