Table 2.
Salmonella spp. antimicrobial agent frequency of resistance as determined by MIC.
| Antibiotic Agent | Prevalence Analysis | Serovar (References) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Typhimurium * [64,66,80] | Enteritidis * [66,80] |
Agona [80] |
Heidelberg [66] |
Indiana [80] |
Infantis [66] |
Kentucky [64] |
Mbandaka [64] |
Thompson [80] |
||
| AMP | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 97 | 185 | 22 | 16 | 105 | 6 | 5 | 1 | 66 | |
| Reported frequency (%) | 47.8 | 100 | 92.1 | 31.6 | ND | ND | 76.7 | |||
| Calculated frequency (%) | 65.5 | 69.0 | 47.8 | 100 | 92.1 | 31.6 | 20.8 | 33.3 | 120 | |
| AMC | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 58 | 111 | 16 | ND | 91 | ND | 5 | 1 | 56 | |
| Reported frequency (%) | 34.8 | 0 | 79.8 | ND | ND | ND | 65.1 | |||
| Calculated frequency (%) | 39.2 | 41.4 | 34.8 | 0 | 79.8 | 20.8 | 33.3 | 101.8 | ||
| CRO | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 12 | 45 | 6 | 12 | 73 | 0 | ND | ND | 29 | |
| Reported frequency (%) | 15.4 | 75 | 64 | ND | ND | ND | 34.5 | |||
| Calculated frequency (%) | 8.1 | 16.8 | 13.0 | 75 | 64 | 52.7 | ||||
| FOX | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 22 | 71 | 8 | 4 | 42 | 0 | 5 | 1 | 28 | |
| Reported frequency (%) | 17.4 | 25 | 37 | ND | ND | 33 | 32.6 | |||
| Calculated frequency (%) | 14.9 | 26.5 | 17.4 | 25 | 37.0 | 20.8 | 33.0 | 50.9 | ||
| GEN | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 40 | 81 | 6 | 0 | 93 | 5 | ND | ND | 44 | |
| Reported frequency (%) | 13.0 | 0 | 81.6 | 26.3 | ND | ND | 51.2 | |||
| Calculated frequency (%) | 27.0 | 30.2 | 13.0 | 0 | 81.6 | 26.3 | 80.0 | |||
| STR | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 78 | 155 | 14 | 16 | 83 | 18 | 12 | 1 | 18 | |
| Reported frequency (%) | 30.4 | 100 | 73.5 | 94.7 | ND | 33 | 20.9 | |||
| Calculated frequency (%) | 52.7 | 57.8 | 30.4 | 100 | 72.8 | 94.7 | 50.0 | 33 | 32.7 | |
| CIP | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 22 | 32 | 10 | 0 | 93 | 0 | ND | ND | 8 | |
| Reported frequency (%) | 21.7 | 0 | 81.6 | ND | 0 | ND | 9.3 | |||
| Calculated frequency (%) | 14.9 | 11.9 | 21.7 | 0 | 81.6 | 14.5 | ||||
| NAL | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 81 | 275 | 23 | 2 | 106 | 3 | ND | ND | 39 | |
| Reported frequency (%) | 50.0 | 12.5 | 93 | 15.8 | ND | ND | 45.4 | |||
| Calculated frequency (%) | 54.7 | 102.6 | 50.0 | 12.5 | 93.0 | 15.8 | 70.9 | |||
| SXT | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 70 | 123 | 23 | 0 | 105 | 2 | ND | ND | 60 | |
| Reported frequency (%) | 50.0 | 0 | 92.9 | 10.5 | 0 | ND | 69.8 | |||
| Calculated frequency (%) | 47.3 | 45.9 | 50.0 | 0 | 92.1 | 10.5 | 109.1 | |||
| TET | N° isolates | 148 | 268 | 46 | 16 | 114 | 19 | 24 | 3 | 55 |
| N° resistant isolates | 123 | 191 | 30 | 0 | 104 | 0 | 15 | 0 | 70 | |
| Reported frequency (%) | 65.2 | 0 | 91.2 | ND | ND | ND | 81.4 | |||
| Calculated frequency (%) | 83.1 | 71.3 | 65.2 | 0 | 91.2 | 62.5 | 127.3 | |||
No. isolates, number of isolates; No. resistant, number of resistant isolates; F. Reported (%), frequency reported; F. Calculated (%), frequency calculated. The box highlighted in yellow are the calculated values that exceeded 100%, while the boxes highlighted in gray indicate the values that could not be calculated. * For Enteritidis and Typhimurium serovars, frequency was calculated based on the sum of reported isolates in the articles.