方法应用肠道细菌毒力和侵袭力检测、宋内菌大质粒DNA图谱分析和猴体口服耐受试验对S7株、S7R株进行安全性和稳定性分析。
Methods Making use of enterobacterial virulence and invasive test, DNA profile analysis and challenge test of rhesus monkey to determine the safety and stability of S7 and S7R.
质粒DNA图谱分析为从分子水平上进行鸡大肠杆菌病流行病学调查提供了基础材料。
Plasmid DNA profiles analysis offer scientific reference to molecular epidemiology investigation of avian colibacillosis .
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