Oral Supplementation of Houttuynia cordata Extract Reduces Viremia in PRRSV-1 Modified-Live Virus-Vaccinated Pigs in Response to the HP-PRRSV-2 Challenge.

口服补充鱼腥草提取物可降低接种 PRRSV-1 改良活病毒疫苗的猪在 HP-PRRSV-2 攻击后的病毒血症