Table 3.
Summary of AMR genes found in 69 non-typhoidal salmonella isolates from slaughterhouses and food retail outlet stores.
| Aminoglycoside | No. of isolates (Sl,M,C,Su,B) | β-Lactams | No. of isolates (Sl,M,C,Su,B) | Sulphonamides | No. of isolates (Sl,M,C,Su,B) | |||
|---|---|---|---|---|---|---|---|---|
| aph6-ld | 15/69 | (33, 38, 0, 25, 15%) | TEM-1 | 43/69 | (83, 69, 50, 70, 50%) | sul1 | 23/69 | (0, 0, 0, 15, 100%) |
| aph(3")-lb | 15/69 | (33, 38, 0, 25, 15%) | TEM-150 | 1/69 | (0, 0, 0, 5, 0%) | sul2 | 43/69 | (50, 77, 40, 60, 70%) |
| aadA1 | 26/69 | (33, 38, 40, 40, 35%) | LAP-2 | 1/69 | (0, 8, 0, 0, 0%) | sul3 | 26/69 | (33, 38, 40, 40, 35%) |
| aadA2 | 43/69 | (33, 38, 40, 60, 100%) | CTX-M-55 | 1/69 | (17, 0, 0, 0, 0%) | |||
| aac(6')-laa | 32/69 | (83, 69, 10, 60, 25%) | ||||||
| aac(6')-ly | 36/69 | (17, 38, 90, 40, 65%) | ||||||
| aac3-lla | 3/69 | (0, 0, 0, 10, 5%) | ||||||
| Tetracycline | Chloramphenicol | Trimethoprim | ||||||
| tet(A) | 42/69 | (67, 54, 40, 60, 75%) | cmlA1 | 25/69 | (33, 38, 40, 35, 35%) | dfrA12 | 29/69 | (33, 38, 40, 50, 40%) |
| tet(B) | 3/69 | (17, 15, 0, 0, 0%) | floR | 43/69 | (67, 15, 30, 70, 100%) | dfrA14 | 4/69 | (0, 0, 0, 15, 5%) |
| tet(M) | 31/69 | (50, 31, 50, 45, 50%) | catA2 | 1/69 | (17, 0, 0, 0, 0%) | |||
| Fluoroquinolones | Macrolides | Lincosamides | ||||||
| qnrS1 | 32/69 | (67, 38, 30, 40, 60%) | mphA | 4/69 | (17, 0, 0, 10, 5%) | linG | 2/69 | (0, 0, 0, 10, 0%) |
| qacH | 24/69 | (33, 38, 40, 30, 35%) | mefB | 1/69 | (0, 8, 0, 0, 0%) | Inu(F) | 2/69 | (0, 0, 0, 10, 0%) |
| Colistin | Rifampicin | Fosfomycin | ||||||
| mcr-1 | 7/69 | (0, 0, 10, 5, 25%) | arr-2 | 2/69 | (0, 0, 0, 10, 0%) | fosA7 | 11/69 | (17, 0, 10, 25, 20%) |
| mcr-3 | 2/69 | (33, 0, 0, 0, 0%) | ||||||
Percentage of gene positive isolates given per sector (≥80% in bold); Sl, slaughterhouse (6 isolates); M, market (13); C, Convenience store (10); Su, Supermarket (20); B, Boutique store (20).