Table 6. Resistance patterns of Salmonella isolates (n = 188) from hybrid red tilapia carcass rinses, intestine, liver and kidney, and cultivation water.
| AMR pattern | No of isolates (%) | ||||
|---|---|---|---|---|---|
| Fish carcassrinse (n = 24) | Intestine (n = 57) | Liver andkidney (n = 1) | Cultivation water (n = 106) | Total (n = 188) | |
| Susceptible | 8 (33.3) | 11 (19.3) | 0 (0) | 4 (3.8) | 23 (12.2) |
| AMP-CHP-CIP-ENR-FFC-OTC-OXO-TET | 1 (4.2) | 2 (3.5) | 0 (0) | 1 (0.9) | 4 (2.1) |
| AMP-CHP-CIP-ENR-OTC-OXO-TET | 0 (0) | 4 (7.0) | 0 (0) | 6 (5.7) | 10 (5.3) |
| AMP-CHP-CIP-FFC-OTC-OXO-TET | 0 (0) | 0 (0) | 0 (0) | 3 (2.8) | 3 (1.6) |
| AMP-CHP-CIP-OTC-OXO-TET | 0 (0) | 0 (0) | 0 (0) | 2 (1.9) | 2 (1.1) |
| AMP-CHP-ENR-FFC-OTC-OXO-STR-TET | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-CHP-ENR-FFC-OTC-OXO-SMZ-TET | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| AMP-CHP-ENR-FFC-OTC-OXO-TET | 5 (20.8) | 5 (8.8) | 0 (0) | 25 (23.6) | 35 (18.6) |
| AMP-CHP-FFC | 0 (0) | 3 (5.3) | 1 (100.0) | 8 (7.5) | 12 (6.4) |
| AMP-CHP-FFC-OTC | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| AMP-CHP-FFC-OTC-OXO | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-CHP-FFC-OTC-OXO-TET | 5 (20.8) | 7 (12.3) | 0 (0) | 27 (25.5) | 39 (20.7) |
| AMP-CHP-FFC-OXO-STR | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-CHP-FFC-TET | 0 (0) | 0 (0) | 0 (0) | 3 (2.8) | 3 (1.6) |
| AMP-CHP-OTC-OXO-TET | 0 (0) | 1 (1.8) | 0 (0) | 1 (0.9) | 2 (1.1) |
| AMP-CHP-OXO | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-CHP-OXO-TET | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-CIP-ENR-OTC-OXO-SMZ-TET | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-CIP-ENR-OTC-OXO-TET | 0 (0) | 6 (10.5) | 0 (0) | 8 (7.5) | 14 (7.4) |
| AMP-CIP-ENR-OTC-OXO-TET-TRI | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| AMP-CIP-FFC-OTC-OXO-TET | 1 (4.2) | 0 (0) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-CIP-OTC-OXO-TET | 1 (4.2) | 1 (1.8) | 0 (0) | 1 (0.9) | 3 (1.6) |
| AMP-CIP-TET | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| AMP-ENR-OTC-OXO-TET | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-FFC-OTC-OXO-TET | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| AMP-OTC-OXO-SMZ-STR-TET | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| AMP-OTC-OXO-TET-TRI | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| AMP-OTC-SMZ-STR-TET | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| AMP-OTC-OXO-TET | 0 (0) | 0 (0) | 0 (0) | 5 (4.7) | 5 (2.7) |
| AMP-OTC-TET | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| CHP-FFC | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| ENR-OTC-OXO | 0 (0) | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.5) |
| OTC | 0 (0) | 1 (1.8) | 0 (0) | 2 (1.9) | 3 (1.6) |
| OTC-OXO | 0 (0) | 1 (1.8) | 0 (0) | 0 (0) | 1 (0.5) |
| OXO | 3 (12.5) | 5 (8.8) | 0 (0) | 2 (1.9) | 10 (5.3) |
Notes.
This table presented only positive isolates from various tilapia samples except fish muscle, which were negative for Salmonella.
- AMP
- ampicillin
- CHP
- chloramphenicol
- CIP
- ciprofloxacin
- ENR
- enrofloxacin
- FFC
- florfenicol
- OTC
- oxytetracycline
- OXO
- oxolinic acid
- STR
- streptomycin
- SMZ
- sulfamethoxazole
- TET
- tetracycline
- TRI
- trimethoprim