Virulence comparative test of a highly pathogenic isolate HBR of PRRSV at different passage levels
Virulence comparative test of a highly pathogenic isolate HBR of PRRSV at different passage levels
高致病性猪繁殖与呼吸综合征病毒HBR株不同代次水平的毒力比较试验
Virulence comparative test of a highly pathogenic isolate HBR of PRRSV at different passage levels
高致病性猪繁殖与呼吸综合征病毒HBR株不同代次水平的毒力比较试验