Method for producing swine fever live vaccine by using porcine kidney cell line (IBRS-2) and product thereof

The invention discloses a method for producing a swine fever live vaccine by using a porcine kidney cell line (IBRS-2). The method comprises the following steps of: (1) selecting a porcine kidney cell line (IBRS-2) as a cell for producing the vaccine; (2) carrying out sub-culturing on the cell for producing the vaccine; (3) reproducing virus cell seeds; (4) reproducing venom for producing the vaccine; and (5) preparing the vaccine, and performing split charging and freeze-drying. The method of the invention has the advantages of simple and stable production process, easy operation, high content of virus, small difference between bitches, and controllable quality, and capability of improving the quality and yield of the vaccine. The swine fever live vaccine produced by the method of the invention has high safety and high immune effect, and has a complete immune protection function on the attacks of the strong swine fever viruses.