Table 3.
Resistance phenotype [no. (%) of isolates resistant to the indicated antimicrobial(s)] | Resistance genotype [no. (%) of resistant isolates with the indicated genes] | Phenotypic-genotypic agreementa | |||
---|---|---|---|---|---|
Chloramphenicol [2 (2.6)] | floR [2 (100)] | cat1 [0 (0.0)] | cat2 [0 (0.0)] | 100 | |
Tetracycline [25 (32.1)] | tetA [4 (16.0)] | tetB [22 (80.0)] | tetC [1 (4.0)] | NDb [1 (4.0)] | 96 |
Ceftiofur [8 (10.3)] | blaCMY [7 (87.5)] | blaDHA-1 [2 (25.0)] | ND [1 (12.5)] | 87.5 | |
Cefoxitin [7 (9.0)] | blaCMY [7 (100)] | blaDHA-1 [2 (77.8)] | 100 | ||
Ampicillin [20 (25.6)] | blaCMY [8 (40.0)] | blaDHA-1 [3 (15.0)] | blaTEM [12 (60.0)] | ND [1 (5.0)] | 95 |
Amoxicillin/clavulanate [9 (11.5)] | blaCMY [8 (88.9)] | blaDHA-1 [3 (33.3)] | blaTEM [2 (22.2)] | 100 | |
Gentamicin [8 (10.3)] | aadB [0 (0.0)] | aacC [7 (87.5)] | ND [1 (12.5)] | 87.5 | |
Kanamycin [18 (23.1)] | Kn [17 (94.4)] | aphAI-IAB [1 (5.6)] | 100 | ||
Streptomycin [22 (28.2)] | aadA1 [7 (28.2)] | aadA2 [1 (4.5)] | strA [22 (100)] | strB [8 (36.4)] | 100 |
Sulfonamides [9 (11.5)] | sul1 [6 (31.8)] | sul2 [4 (44.4)] | sul3 [1 (11.1)] | 100 | |
Trimethoprim/sulfamethoxazole [1 (1.3)] | dhfrI [0 (0.0)] | dhfrXII [0 (0.0)] | ND [1 (100)] | 0.0 | |
Total | 96.1 |
Percentages of isolates with a resistance phenotype that had at least one corresponding resistance gene present.
ND, isolate with a resistance phenotype for which a corresponding resistance gene was not detected.