Table 4. Antimicrobial resistance of foodborne S. aureus isolates.
| Samples (no. of isolates) | No. (%)of isolates resistant to: | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| P | OX | AM | GM | CIP | E | C | VA | CC | TE | RA | |
| Fresh marine shrimp (18) | 16 (88.9*) | 3 (16.7) | 16 (89.9) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Frozen marine shrimp (30) | 19 (63.3) | 5 (16.7) | 19 (63.3) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fresh farmed shrimp (15) | 10 (66.7) | 7 (46.6) | 11 (73.3) | 1 (6.7) | 0 | 0 | 0 | 0 | 0 | 4 (26.6) | 0 |
| frozen farmed shrimp (21) | 14 (66.6) | 8 (38) | 14 (66.6) | 1 (4.8) | 0 | 0 | 0 | 0 | 0 | 4 (19) | 0 |
| Fresh marine fish (37) | 34 (91.9) | 6 (16.2) | 33 (89.1) | 0 | 0 | 0 | 0 | 0 | 0 | 17 (46) | 0 |
| Frozen marine fish (53) | 41 (77.3) | 7 (13.2) | 41 (77.3) | 0 | 0 | 2 (3.7) | 0 | 0 | 2 (3.7) | 9 (17) | 0 |
| Fresh farmed fish (12) | 12 (100) | 5 (41.7) | 12 (100) | 3 (25) | 0 | 2 (16.7) | 0 | 0 | 2 (16.7) | 10 (83) | 0 |
| Frozen farmed fish (20) | 17 (85) | 8 (40.0) | 17 (85) | 5 (25) | 0 | 3 (15) | 0 | 0 | 1 (5) | 14 (70) | 0 |
| Total Avg (206) | 163 (79.1) | 49 (23.8) | 163 (79.1) | 10 (4.8) | 0 | 7 (3.4) | 0 | 0 | 5 (2.4) | 58 (28.1) | 0 |
*P: penicillin, OX: oxacillin, AM: ampicillin, GM: gentamicin, CIP: ciprofloxacin, E: erythromycin, CC: clindamycin, VA: vancomycin, C: chloramphenicol, TE: tetracycline, RA: rifampin.
*The numbers in parentheses indicate the percentages.