EN
The growth power of different cell lines: calf kidney, heart fibroblasts, thymus and foetal testicles, as well as porcine kidney in 17 types of media prepared on the basis of Hanks, Eagle’s and Parker’s media were studied. The conditions for the preparation of cell suspensions for deep freeze storage and the optimal conditions for cell growth after thawing were determined. The titers and intensity of CPE od FMD virus, type A, О and C, propagated in cell cultures obtained directly after trypsinization and after 6 months of storing the cells in liquid nitrogen (-196°C), were similar in calf kidney cells, pig kidney cells and calf thyroid cells. No cyto-pathic effects were observed in cultures of calf heart and foetal calf testicles infected with FMDV type A, О and C.