Table 4.

Resistance of clinical serovar Choleraesuis isolates to 10 antibioticsa

StrainResistance to antibioticb
AMXAMPGENCEFCHLERYTETSXTcSULTMP
OU7085R
OU7518RRRRRRRRR
OU7519RRRR
OU7520RRRRRRRRR
OU7521RRRRRR
OU7522RRRR
OU7523RRR
OU7524RRRRRRRRR
OU7525RRRR
OU7526RRRRRRRRRR
OU7527RRR
OU7528RRR
OU7529RRRRRRRRR
OU7531RRRRRRRR
OU7533RRRRRRR
  • a Only resistance (R), assigned according to the criteria of NCCLS (15), is indicated.

  • b GEN, gentamicin; CEF, cephalothin; CHL, chloramphenicol; ERY, erythromycin; TET, tetracycline; TMP, trimethoprim. All strains were sensitive to CRO.

  • c Tested by the disk diffusion method.