One hundred and fifty broilers were randomly assigned to 5 dietary treatments of 3 replicates each. Five diets (Diet 1: basal, corn-based, with no Polyzyme enzyme; Diet 2: 20% corn bran with Polyzyme; Diet 3: 20% corn bran without Polyzyme; Diet 4: 40% corn bran with Polyzyme and Diet 5: 40% corn bran without Polyzyme) were formulated and offered to the birds. The aim was to compare the performance of the birds on the enzyme-supplemented diets and the un-supplemented diets with those on the corn-based diets. Feed intake and weight gain were significantly (P<0.05) higher in birds on the enzyme-supplemented diets compared to those on the basal diets or diets without enzyme supplementation. There was no significant difference in the apparent nutrient digestibility among the 5 dietary treatments. The results indicated that corn bran can be incorporated in broiler feed at 40% with supplementation with enzyme without any deleterious effect on the birds.
