Moreover, peppermint leaves has the ability to improve feed intake which was increased with the increasing levelsof supplementation. Increased feed intake was earlier reported (Al-Ankari et al., 2004) in broilers fed habek mint (Menthalongifolia) at 200 g/kg, hence palatability was not a concern as levels in our study was quite low. In the present study, additionof peppermint improved egg weight, egg production, egg mass and FCR of laying hens.