Chicks of highly maternal antibody were tested with vaccines of V4 strain and V4 clone-30 strain by oral administration, nasal drip and cohabitation.
本试验用V_4株、V_4株和克隆- 30株联合苗对高母源抗体的雏鸡进行了口服、滴鼻与同居感染免疫试验。
Methods: The clone formation units(CFUs) of bacteria in tested fluids were detected according to Regulatory Guidelines for Control of Nosocomial Infections(2000) released by MoH.
方法：按卫生部《医院感染管理规范》（2000版）的透析液菌落数标准检测细菌含量。
Clone formation ability was determined by clony forming assay. Cell cycle and apoptosis were tested by flow cytometry.
通过流式细胞术检测细胞的细胞周期分布和凋亡水平；
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