TY JOUR TI Behavior and resistance in Simmental bull calves of different genotypes KW Simmental breed KW Holstein (Red-and-White) breed KW Montbeliarde breed KW types of behavior KW humoral and cellular immunity KW resistance KW liveweight. JO Agrarian Bulletin of the AU Levina, G.N. AU Tikhonov, K.E. AU Artemieva, O.. AU Zelepukina, M.V. PY 2020 IS 193 PB Ural State Agrarian University