Haščí­k, P. ., Trenbecká, L. ., Bobko, M. ., Kačániová, M. ., Čuboň, J. ., Kunová, S. ., & Bučko, O. . (2016). Effect of diet supplemented with propolis extract and probiotic additives on performance, carcass characteristics and meat composition of broiler chickens. Potravinarstvo Slovak Journal of Food Sciences, 10(1), 223–231. https://doi.org/10.5219/581