Figure 1. Pulsed-field gel electrophoresis of CTF-resistant E. coli isolates from two CTF-treated cattle.
A, PFGE analysis of 20 isolates obtained from cow No.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.