英语语法分析

Therefore, it is very important and necessary to check the HPAI seral antibody level.

因此对野生鸟类高致病性禽流感血清抗体水平进行检测，就显得十分重要和必要。

I think my seral IHC studies are the most detailed and the most large studies in the world.

我认为我的几个研究是目前最详细最大宗病例的研究。