养猪学资料中心
显示养猪学参考资料栏目的目录
免费 帮您了解 最新动态 
|
第17号公告板 - Winter 2003
VirologyPorcine Reproductive and Respiratory Syndrome (PRRS)
New data on homologous protection.
Allen D. Leman Swine Conference 2003: 52-54
BO98440
Homologous immunity should not be taken as granted and PRRSV clearly proves it: animals are not completely protected against further homologous virus challenge since it is followed by a brief viremia, suggesting that, under experimental conditions, homologous immunity, though significant, does not provide a unfailing shield. To what extent this incomplete homologous immunity may have repercussions under field conditions has yet to be determined.
