Supported by Education Department of Henan Province Item(2006230004);Henan Science and Technology Agency Item(072102130009)~~
[Objective] Ceftiofur was as the substrate to induce the standard strain of Escherichia coli(E.coli)to be the drug-resistance one.The resistant mechanism of E.coli to ceftiofur was studied.[Method] The sub-inhibitor...