TABLE 4.
Serovars | Antimicrobial agentsa | MDR | |||||||||||||||||||||||||
AMP | AMC | CFZ | FOX | CRO | CTX | CAZ | EFT | FEP | ATM | IPM | GEN | KAN | AMK | STR | TET | CIP | ENR | NAL | SXT | CHL | FFC | ≥ 1 | ≥3 | ≥5 | ≥ 7 | ≥9 | |
Derby (n = 79) | 33 | 16 (12)b | 6 (21) | 4 (2) | 1 (2) | 0 | 6 | 0 (2) | 1 (1) | 0 | 0 (2) | 19 (1) | 20 (3) | 2 (3) | 36 (23) | 61 (9) | 20 (18) | 42 (12) | 32 (16) | 34 (5) | 28 (13) | 42 (15) | 74 | 52 | 32 | 9 | 0 |
Typhimurium (n = 22) | 16 | 4 (4) | 3 (7) | 1 (1) | 1 | 1 | 1 (1) | 1 (1) | 0 (2) | 0 (1) | 0 | 2 (5) | 8 (2) | 1 (1) | 8 (9) | 14 (1) | 1 (20) | 5 (14) | 18 | 11 (1) | 11 (1) | 10 (3) | 21 | 16 | 10 | 3 | 0 |
London (n = 20) | 10 | 5 (2) | 4 (5) | 1 (1) | 1 | 1 | 2 | 1 | 2 (1) | 0 (1) | 0 | 5 | 1 (7) | 0 | 9 (5) | 10 | 0 (11) | 5 (4) | 0 (10) | 10 | 7 (1) | 8 (3) | 12 | 10 | 8 | 3 | 0 |
Rissen (n = 18) | 10 | 5 (2) | 3 (7) | 0 | 0 | 0 (1) | 1 | 0 (1) | 0 | 0 | 0 (3) | 1 | 1 | 0 | 4 (7) | 14 | 1 | 1 (2) | 1 | 14 | 1 | 1 (7) | 14 | 12 | 4 | 0 | 0 |
1,4,[5],12:i:- (n = 15) | 14 | 5 (5) | 2 (7) | 0 | 1 | 0 | 0 | 0 (2) | 1 | 0 | 2 | 3 (2) | 4 (3) | 0 | 11 (2) | 14 | 4 (3) | 3 (1) | 6 (2) | 4 | 5 | 5 | 15 | 14 | 8 | 1 | 0 |
Weltevreden (n = 13) | 0 | 0 | 0 (1) | 0 | 0 | 0 | 0 | 0 (1) | 0 | 0 | 0 (1) | 0 | 0 | 1 | 6 (1) | 6 | 0 | 0 (2) | 0 (1) | 0 | 0 | 0 (2) | 7 | 0 | 0 | 0 | 0 |
Enteritidis (n = 7) | 7 | 5 | 7 | 4 (1) | 0 | 0 | 5 | 0 | 2 (3) | 0 | 0 | 1 | 1 | 1 | 5 | 2 (2) | 1 (5) | 0 (3) | 7 | 2 (1) | 1 | 0 (1) | 7 | 7 | 5 | 1 | 0 |
Meleagridis (n = 4) | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 1 (1) | 4 | 0 (4) | 0 (2) | 0 (1) | 4 | 1 | 1 (1) | 4 | 2 | 1 | 1 | 0 |
Indiana (n = 4) | 4 | 3 (1) | 4 | 2 | 4 | 4 | 2 (1) | 4 | 4 | 4 | 0 | 2 (1) | 4 | 3 | 2 (1) | 4 | 4 | 4 | 4 | 3 (1) | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
Corvallis (n = 3) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 (3) | 1 | 0 (3) | 0 | 0 | 0 (1) | 3 | 1 | 0 | 0 | 0 |
Stanley (n = 3) | 0 | 0 (1) | 1 | 1 (1) | 0 | 0 | 1 | 0 | 0 (1) | 0 | 0 | 0 (1) | 0 | 0 | 1 (1) | 1 | 1 | 0 (1) | 0 | 0 | 1 | 0 (1) | 3 | 1 | 0 | 0 | 0 |
Infantis (n = 3) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 1 | 1 | 1 (2) | 1 | 0 (3) | 0 (2) | 3 | 1 | 1 | 0 | 3 | 2 | 2 | 1 | 1 |
Kottbus (n = 3) | 0 | 0 | 0 | 0 | 0 | 0 (1) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 (2) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Anatum (n = 3) | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 (1) | 0 | 0 | 0 | 1 | 0 | 0 (2) | 3 | 0 (2) | 0 (3) | 1 | 2 | 2 (1) | 1 (2) | 3 | 3 | 1 | 0 | 0 |
Thompson (n = 3) | 1 | 1 | 1 | 0 (1) | 1 | 1 | 1 | 1 | 0 | 0 (1) | 0 | 0 | 0 | 0 | 1 | 1 | 1 (1) | 1 (1) | 1 (1) | 1 | 1 (1) | 1 (1) | 2 | 1 | 1 | 1 | 0 |
aAntimicrobial abbreviations: ampicillin (AMP), amoxicillin-clavulanic acid (AMC), cefazolin (CFZ), cefoxitin (FOX), ceftriaxone (CRO), cefotaxime (CTX), ceftazidime (CAZ), ceftiofur (EFT), cefepime (FEP), aztreonam (ATM), imipenem (IPM), gentamicin (GEN), kanamycin (KAN), amikacin (AMK), streptomycin (STR), tetracycline (TET), ciprofloxacin (CIP), enrofloxacin (ENR), nalidixic acid (NAL), trimethoprim-sulfamethoxazole (SXT), chloramphenicol (CHL), and florfenicol (FFC). bThe number with parentheses means intermediate resistance.