In this study the effects of Mentha Pulegium, probiotics and antibiotics on fat and protein digestability were studied.600 Ross 308 broiler chicks in a completely randomized design with 10 treatments, 5 replications and 12 birds in each experimental unit were reared for 42 days. Treatments consisted of: 1) control, 2) level of 0.015 % antibiotics, 3) level of 0.03% antibiotics, 4) the level of 0.05% antibiotics, 5) level of 0.1% probiotic, 6) level of 0.2% probiotic, 7) 0.3% probiotic, 8) of 0.03% Mentha Pulegium, 9) of 0.05% Mentha Pulegium, 10) of 0.07 percent Mentha Pulegium. Statistical analysis of the results showed that The highest percentage of digestible protein appeared when probiotic 0.3% added to ration (P＜0.05). The highest percentage of digestible lipid belong to Mantha Pulegium 0.03% which was a significant different compare to other treatments. Overall the result indicated Mentha Pulegium and Probiotic led to improve a digestible material nutrition eventually both of them provide better performance compare with antibiotic.

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