In vivo,the average death time of BALB/c mice inoculated with PRV-UL14D was obviously delayed,compared with the same dose of PRV-Ea.

• 进一步将PRV-UL14D感染BALB/c小鼠,发现与相同剂量的PRV-Ea野毒株感染相比,小鼠平均死亡时间明显延缓。