The aim of the study was to assess the dynamics of specific macro and microelements in the blood of calves in particular farm depending on the influence of selected feed supplements. In experiment were formed five groups of calves – 4 experimental and one control. Experimental groups were filed feed supplements to support active immunity according to the methodology. Feed additives were administeredfor 5 weeks. Observed data and analysis were statistically evaluated and compared with each other. The experiment was performed from March to July 2016.