Data were checked for normal distribution by One-Sample Kolmogorov– Smirnov test and homogeneity of variances by Levene's test. Data were analyzed using One-way analysis of variance (One-way ANOVA) test followed by a Duncan's Multiple Range Test. Differences in growth and feed efficiency between diet treatments were considered to be statistically significant when p ≤ 0.05. The statistical tests were performed using the SPSS statistical package (ver. 16.0, SPSS Company, Chicago, IL, USA).