reference serum造句

Three ibdv strains , designated as zj2000 , zj991 and zj992 , were isolated from bursa of fabricius of the sick chicken flocks in hangzhou , shenzhou , and ningbo of zhejiang province . the isolates could react with ibdv positive reference serum in the agar immune - diffusion test and caused 30 - 100 % mortality when passaged in chicken embryos . chickens inoculated with these isolates exhibited clinical and pathological signs typical of infectious bursal disease
从浙江省杭州、嵊州，宁波等地暴发疑似传染性法氏囊病的鸡群中采集法氏囊病料(编号分别为zj2000 、 zj991 、 zj992 ) ，分离病毒，经琼脂免疫扩散试验、动物回归试验、鸡胚回归试验和电镜观察等证实所分离的3株野毒是传染性法氏囊病病毒。
It's difficult to find reference serum in a sentence. 用reference serum造句挺难的