CONCLUSION : The zymogenic rates of main enterobacteriaceae bacteria are higher than those of non ferment bacteria . Nearly 20.0 % of bacteria produced AmpC to which intensive attention should be paid clinically .

结论：主要肠杆菌科 细菌 的 产 酶率高于非发酵菌，产AmpC酶的菌株已近20.0%，应引起临床的高度重视；