... in both countries, and ceftiofur and apramycin use in Canada, and enrofloxacin use in Vietnam. Frequent usage of agents in the past, such as chloramphenicol in Vietnam and nitrofurantoin in ... COMPARISON OF THE PATHOTYPES AND VIROTYPES OF PATHOGENIC ESCHERICHIA COLI IN DISEASED PIGS IN VIETNAM AND QUEBEC, CANADA Thuy, N. Do1; Darren J. Trott2, ... Stx2:EAST1:AIDA:F18 0 8 Other 2 3 Total STEC F18 10 14 Other 4 9 COMPARISON OF THE ANTIMICROBIAL RESISTANCE OF PATHOGENIC ESCHERICHIA COLI IN DISEASED PIGS IN VIETNAM AND QUEBEC, CANADA Thuy, N....