Table 5.
Sensitivity of overall protocol for 43 antibiotics at spike-in concentrations of 10 μg, 5 μg, and 1 μg.
| Antibiotics | Sensitivity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 10 μg Spiked-in | 5 μg Spiked-in | 1 μg Spiked-in | |||||||
| Water Sample | Fecal Sample | Meat Sample | Water Sample | Fecal Sample | Meat Sample | Water Sample | Fecal Sample | Meat Sample | |
| Amoxicillin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ampicillin | 100 | 100 | 100 | 100 | 100 | 100 | 66.7 | 0 | 33.3 |
| Cefalexin | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Cefquinome sulfate | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ceftazidime | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ceftiofur sodium | 100 | 100 | 100 | 100 | 100 | 100 | 66.7 | 66.7 | 0 |
| Cefuroxime | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Chloramphenicol | 100 | 100 | 100 | 100 | 100 | 100 | 0 | 0 | 66.7 |
| Chlortetracycline hydrochloride | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 66.7 |
| Ciprofloxacin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Clindamycin phosphate | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Colistin A | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Colistin B | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Doxycycline | 100 | 100 | 100 | 100 | 100 | 100 | 0 | 33.3 | 0 |
| Enrofloxacin | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Erythromycin | 100 | 100 | 100 | 100 | 33.3 | 100 | 33.3 | 0 | 33.3 |
| Florfenicol | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Gentamicin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Kanamycin sulfate | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Levofloxacin | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Lincomycin hydrochloride | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Mequindox | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Meropenem | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Metronidazole | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 33.3 | 66.7 |
| Neomycin trisulfate salt hydrate | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Norfloxacin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ofloxacin | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Oxytetracycline | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Penicillin G sodium salt | 100 | 100 | 100 | 100 | 33.3 | 100 | 0 | 0 | 0 |
| Spectinomycin hydrochloride pentahydrate | 100 | 66.7 | 100 | 66.7 | 66.7 | 100 | 0 | 0 | 0 |
| Streptomycin sulfate salt | 66.7 | 100 | 100 | 33.3 | 0 | 66.7 | 0 | 0 | 0 |
| Sulfachloropyridazine | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Sulfadiazine | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Sulfadimidine | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Sulfamethoxazole | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Sulfamonomethoxine | 100 | 100 | 66.7 | 100 | 100 | 100 | 100 | 100 | 100 |
| Tetracycline | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 66.7 |
| Tiamulin | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Tilmicosin | 66.7 | 100 | 100 | 66.7 | 100 | 100 | 0 | 33.3 | 33.3 |
| Trimethoprim | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Tylosin tartrate salt | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 66.7 |
| Tylvalosin | 100 | 100 | 100 | 100 | 100 | 100 | 33.3 | 100 | 100 |
| Vancomycin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sensitivity = [number of true positives/(number of true positives + number of false negatives)] × 100%. Note: the number of tests performed to calculate detection sensitivity was 3.