Dey, A.; Misra, S. S.; Dahiya, S. S.; Balhara, A. K.; Kumar, K.; Das, A. K.; Singh, R. K.; Attri, K.; Imaz, J. A. Essential Oils As Phytogenic Feed Additive: Potential Benefits on Environment, Livestock Health and Production. IJEP 2017, 4, 177-181.