Table 1.
Prevalence of Campylobacter spp. in porcine carcasses tested
| Year of sampling | Number of carcasses | Number (%) of carcasses positive by Campylobacter spp. | ||
|---|---|---|---|---|
| Tested | Positive for Campylobacter spp. (%) | C. coli | C. jejuni | |
| 2019 | 53 | 18 (34.0) | 17 (32.1) | 1 (1.9) |
| 2020 | 154 | 38 (24.7) | 33 (21.4) | 5 (3.2) |
| 2021 | 165 | 55 (33.3) | 50 (30.3) | 5 (3.0) |
| 2022 | 162 | 53 (32.7) | 49 (30.2) | 4 (2.5) |
| Total | 534 | 164 (30.7) | 149 (27.9) | 15 (2.8) |
Table 2.
Antimicrobial resistance of C. coli isolated from porcine carcasses
| Antimicrobials | Number (%) of C. coli resistant isolates | |||||
|---|---|---|---|---|---|---|
| Year of isolation (number of isolates) | ||||||
| 2019 (n = 17) | 2020 (n = 33) | 2021 (n = 50) | 2022 (n = 49) | Total (n = 149) | ||
| Aminoglycosides | gentamycin | 0 | 0 | 1 (1.7) | 0 | 1 (0.7) |
| streptomycin | 14 (82.3) | 30 (76.9) | 49 (86.0) | 47 (90.4) | 140 (94.0) | |
| Fluoroquinolones | ciprofloxacin | 10 (58.8) | 22 (66.7) | 31 (62.0) | 35 (71.4) | 98 (65.8) |
| Tetracyclines | tetracycline | 12 (70.6) | 26 (78.8) | 24 (48.0) | 35 (71.4) | 97 (65.1) |
| Macrolides | erythromycin | 3 (17.6) | 1 (2.6) | 8 (14.0) | 9 (17.3) | 21 (14.1) |
Table 3.
Antimicrobial multiresistance profiles of C. coli isolated from porcine carcasses
| Antimicrobial resistance profile | Number (%) of multiresistant isolates | ||||
|---|---|---|---|---|---|
| Year of isolation (number of isolates) | |||||
| 2019 (n = 17) | 2020 (n = 33) | 2021 (n = 50) | 2022 (n = 49) | Total (n = 149) | |
| CIP + STR + TET | 6 (35.3) | 19 (48.7) | 24 (48.0) | 25 (51.0) | 74 (49.7) |
| CIP + ERY + STR + TET | 0 | 1 (3.0) | 3 (6.0) | 6 (12.2) | 10 (6.7) |
| CIP + ERY + STR | 2 (11.8) | 0 | 5 (10.0) | 0 | 7 (4.7) |
| ERY + STR + TET | 0 | 0 | 1 (1.7) | 1 (2.0) | 2 (1.3) |
| CIR + ERY + GEN + STR | 0 | 0 | 1 (1.7) | 0 | 1 (0.7) |