Štenclová, H. , Karásek, F. , Šťastní­k, O. , Zeman, L. , Mrkvicová, E. and Pavlata, L. 2016. The effect of reduced zinc levels on performance parameters of broiler chickens. Potravinarstvo Slovak Journal of Food Sciences. 10, 1 (May 2016), 272–275. DOI:https://doi.org/10.5219/580.