Pournazari, M., A. A. A. Qotbi, A. Seidavi, and M. Corazzin. “Prebiotics, Probiotics and Thyme (Thymus Vulgaris) for Broilers: Performance, Carcass Traits and Blood Variables”. Revista Colombiana De Ciencias Pecuarias, vol. 30, no. 1, Jan. 2017, pp. 3-10, doi:10.17533/udea.rccp.v30n1a01.