Table 3 Pairwise correlations between antimicrobials (with respect to resistance) of fecal Escherichia coli isolates of chickens from Ontario small poultry flocks (n = 358)^AB

AMC

1.000

AMP

0.347

1.000

AZM

–

–

1.000

FOX

0.304

–

0.189

1.000

CRO

0.344

0.244

0.214

0.667

1.000

CHL

0.322

0.262

0.197

0.197

1.000

CIP

–

–

–

–

–

0.237

1.000

GEN

0.192

–

–

–

0.189

–

–

1.000

NAL

–

–

–

–

–

–

0.350

1.000

SSS

0.283

0.310

–

–

–

0.283

–

0.487

0.183

STR

0.193

0.458

–

–

–

–

–

0.332

0.235

STX

0.295

0.364

0.223

–

–

0.264

–

–

0.295

TET

–

0.329

–

–

–

–

–

–

–