TABLE 1.
Multidrug resistance patterns of avian S. Indiana isolates in this study
| No. of antibiotics | Multidrug resistance patterna | No of isolatesb | Resistant rate (%) |
|---|---|---|---|
| 9 | AMP-STR-SUL-SXT-GEN-TMP-TET-NIT-AMK | 5 | 2.1 |
| AMP-STR-SUL-CHL-NAL-SXT-CIP-TMP-TET | 4 | ||
| 10 | AMP-STR-SUL-CHL-SXT-GEN-TMP-TET-NIT-AMK | 3 | 1.2 |
| AMP-STR-SUL-CHL-NAL-SXT-CIP-TMP-TET-NIT | 1 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET | 1 | ||
| 11 | AMP-STR-SUL-CHL-NAL-GEN-CIP-TET-CTX-CRO-ATM | 3 | 4.9 |
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-ATM | 1 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-NIT | 17 | ||
| 12 | AMP-STR-SUL-CHL-NAL-GEN-CIP-TET-CTX-CRO-ATM-NIT | 9 | 4.9 |
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-CTX-CRO-ATM-NIT | 4 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-NIT-AMK | 3 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO | 5 | ||
| 13 | AMP-STR-SUL-CHL-NAL-SXT-TMP-TET-CTX-CRO-ATM-NIT-CAZ | 5 | 15.4 |
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TET-CTX-CRO-ATM-NIT | 1 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-CTX-CRO-ATM-NIT | 12 (1) | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM | 16 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-NIT | 32 | ||
| 14 | AMP-STR-SUL-CHL-NAL-SXT-CIP-TMP-TET-CTX-CRO-ATM-NIT-CAZ | 2 | 30.4 |
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-CTX-CRO-ATM-NIT-CAZ | 13 (3) | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM-CAZ | 11 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM-AMK | 7 | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM-NIT | 97 (2) | ||
| 15 | AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM-AMK-CAZ | 35 | 39.7 |
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM-NIT-CAZ | 50 (2) | ||
| AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM-NIT-AMK | 85 (4) | ||
| 16 | AMP-STR-SUL-CHL-NAL-SXT-GEN-CIP-TMP-TET-CTX-CRO-ATM-NIT-AMK-CAZ | 6 | 1.4 |
a
Abbreviations: AMP, ampicillin; STR, streptomycin; SUL, sulfafurazole; CHL, chloramphenicol; NAL, nalidixic acid; SXT, trimethoprim-sulfamethoxazole; GEN, gentamicin; CIP, ciprofloxacin; TMP, trimethoprim; TET, tetracycline; CTX, cefotaxime; CRO, ceftriaxone; ATM, aztreonam; NIT, nitrofurantoin; AMK, amikacin; CAZ, ceftazidime.
b
In parentheses are the resistance patterns of 12 S. Indiana isolates from poultry workers (i.e., the number of human isolates).