Pigs breathe and reproduce the sindrom virus (PRRSV); prepare the live attenuated sindrom virus program; contain the vaccine for the virus and its preparation procedure; and pig's immune procedures for the breeding of sindrom and pig respiratory system.

摘要

Porcine Reproductive and Respiratory Syndrome Virus (PRRSV); procedure for the preparation of PRRSV attenuated Live vaccine; containing same and preparation method thereof, and Method for immunizing Pigs against porcine Reproductive and Respiratory Syndrome.