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The aim of these balance experiments was to analyse the level of feeding pea varieties GOTIK and ZEKON on the digestibility of protein in growing pigs. Variety ZEKON has low content of antinutritional factors in comparison with variety GOTIK. The tentative mixtures contained following amounts of pea (Experiment A): 0.1%, 9%, 18% and on the whole were observed six diets. The apparent digestibility of protein with the diet containing ZEKON was 81.1±4 in group SZ0.1, 81.78±2.47 in group SZ9 a 78.94±4.14 in SZ18 and with the diet containing GOTIK in comparison with ZEKON lower, namely 79.9±4.12 in group SG0.1, 76.02±5.77 in SG9 a 78.18±2.28 in SG18. We observed only one statistical significant value between group SZ9 and SG9 (P<0,05).In the experiment B were used 7 diets, from these diets was the one without contain of peas (group VK) and 6 diets with the content of peas in amount 9%, 18% and 27%. The highest apparent digestibility of protein was observed in the group VK 85.14±2.31 (P<0,001) with group VG18 77.01±1.82, with group VG9 79.08±4.13 (P<0,01) and with group VZ18 79.62±4.09 (P<0,05). The digestibility of protein was in group 80.84±2.8, in VZ27 82.53±2.34 and in VG27 79.81±2.78. The digestibility of protein with the ZEKON pea-containing diets was higher, than the diets with containing GOTIK in the same amount.Resulting values of gain, feeds conversion and digestibilities of nutrients indicate feasible substitution of soya-bean meal by feeding pea, and thus decrease the dependence of mixed feed mill on these component´s import in production of feeding mixtures for growing pigs.