Method of propagating the swine virus causing reproductive and respiratory syndrome and using it as a vaccine.

摘要

A process for growing a PRRSV in a tissue culture which is susceptible to infection and replication of PRRSV to an amount sufficient to protect animals against PRRS or be used in diagnosing PRRS or identifying the molecular structure of PRRSV for development of recombinant products, comprising inoculating the PRRSV onto the tissue culture and harvesting the replicated PRRSV.