Thyme oil
Radi, A. M., N. S. Shaban, F. A. E. - I. Ela, E. A. Mobarez, E. - G. AAM, and E. - B. HA,
"The Effect of Bromhexine and Thyme Oil on Enhancement of the Efficacy of Tilmicosin against Pasteurellosis in Broiler Chickens",
Journal of World’s Poultry Research, vol. 10, pp. 151-164, 2020.