Table 4.
Antimicrobial resistance in Campylobacter strains isolated in the study.
| Antimicrobial | Source N = 81 |
C. jejuni n1 = 25 n2 = 6 |
C. coli n1 = 11 n2 = 9 |
Campylobacter spp. n1 = 10 n2 = 20 |
Total N1 = 46 N2 = 35 |
|---|---|---|---|---|---|
| Chicken carcasses 1 | 14/25 (56%) | 8/11 (72.7%) | 6/10 (60%) | 28/46 (60.9%) a | |
| CIP | Other meat matrices 2 | 2/6 (33.3%) | 3/9 (33.3%) | 8/20 (40%) | 13/35 (37.1%) b |
| Total | 16/31 (51.6%) | 11/20 (55%) | 14/30 (46.7%) | 41/81 (50.61%) | |
| Chicken carcasses 1 | 11/25 (44%) | 5/11 (45.5%) | 4/10 (40%) | 25/46 (54.3%) | |
| AMC | Other meat matrices 2 | 2/6 (33.3%) | 4/9 (44.4%) | 9/20 (45%) | 15/35 (42.9%) |
| Total | 13/31 (41.9%) | 9/20 (45%) | 13/30 (43.3%) | 40/81 (49.4%) | |
| Chicken carcasses 1 | 11/25 (44%) | 2/11 (18.2%) | 4/10 (40%) | 17/46 (37%) | |
| GEN | Other meat matrices 2 | 2/6 (33.3%) | 2/9 (22.2%) | 5/20 (25%) | 9/35 (25.7%) |
| Total | 13/31 (41.9%) | 4/20 (20%) | 9/30 (30%) | 26/81 (32.09%) | |
| Chicken carcasses 1 | 11/25 (44%) | 6/11 (54.5%) | 2/10 (20%) | 19/46 (41.3%) | |
| ERY | Other meat matrices 2 | 1/6 (16,7%) | 2/9 (22.2%) | 6/20 (30%) | 9/35 (25.7%) |
| Total | 12/31 (38.7%) | 8/20 (40%) | 8/30 (26.7%) | 28/81 (34.6%) | |
| Chicken carcasses 1 | 11/25 (44%) | 2/11 (18.2%) | 8/10 (80%) | 21/46 (45,7%) | |
| TET | Other meat matrices2 | 4/6 (66.7%) | 5/9 (55.5%) | 12/20 (60%) | 21/35 (60%) |
| Total | 15/31 (48.4%) | 7/20 (35%) I | 20/30 (66.7%) II | 42/81 (51.9%) | |
| Chicken carcasses 1 | 6/25 (24%) | 4/11 (36.4%) | 3/10 (30%) | 13/46 (28.3%) | |
| AZM | Other meat matrices 2 | 1/6 (16.7%) | 2/9 (22.2%) | 6/20 (30%) | 9/35 (25.7%) |
| Total | 7/31 (22.6%) | 6/20 (30%) | 9/30 (30%) | 22/81 (27.2%) |
N: total number of strains isolated, N1: total number of isolates from chicken carcasses, N2: total number of isolates from other meat matrices, n1: number of isolates from chicken carcasses of each species, n2: number of isolates from other matrices of each species. CIP: Ciprofloxacin, AMC: Amoxillin and clavulanate, GEN: gentamicin, ERY: Erythromycin, TET: Tetracycline, AZM: Azithromycin. p < 0.05 in the column a,b and in the line I,II, Fisher’s exact test.