همایون مهروانی
مهدی آمیغی
رسول مدنی

‭at present the pig kidney and calf thyroid cell used for titration (TCLD 50%) of FMD viruses. in this imvestigation we try to introduce the cell Une of Mouse fetal cell (MFC) by cloning. After operating the different step we can culture The MFC in vitro successfully. The growth of MFC is very well till 16 passage and after that it's failed. we can't make a Line becaus we havent co 2 incubator pig Kidney (SA) and MFC were Tested by inoculation of FMD ( Type A & 0) viruse. SA is more susceptible Than MFC Because SA is the line cell but MFC is not. and in order to same reason the MFC cann't Growth in suspension sulture . - ص‬