Table 1.
Prevalence of antimicrobial resistance in Campylobacter coli (n = 1704) and Campylobacter jejuni (n = 991) isolates recovered from caecal samples of chickens and turkeys at the slaughterhouse level across the United States, 2013–2019
| Chicken | Turkey | |||||
|---|---|---|---|---|---|---|
| C. coli | C. jejuni | Total | C. coli | C. jejuni | Total | |
| (n = 1,031) | (n = 868) | (n = 1899) | (n = 673) | (n = 123) | (n = 798) | |
| Antimicrobial a | N (%) b [CI] c | N (%) [CI] | N (%) [CI] | N (%) [CI] | N (%) [CI] | N (%) [CI] |
| AZI | 59 (5.72) | 14 (1.61) | 73 (3.84) | 82 (12.18) | 3 (2.44) | 85 (10.68) |
| [4.38–7.32] | [0.882.69] | [3.02–4.81] | [9.81–14.90] | [0.50–6.96] | [8.62–13.03] | |
| CIP | 176 (17.07) | 194 (22.35) | 370 (19.48) | 281 (41.75) | 29 (23.58) | 310 (38.94) |
| [14.82–19.51] | [19.62–25.27] | [17.72–21.34] | [38.00–45.58] | [16.39–32.07] | [35.54–42.43] | |
| CLI | 66 (6.40) | 16 (1.84) | 82 (4.32) | 98 (14.56) | 10 (8.13) | 108 (13.57) |
| [4.98–8.07] | [1.06–2.98] | [3.45–5.33] | [11.98–17.45] | [3.97–14.44] | [11.26–16.14] | |
| ERY | 58 (5.62) | 8 (0.92) | 66 (3.47) | 80 (11.89) | 2 (1.63) | 82 (10.30) |
| [4.30–7.21] | [0.40–1.81] | [2.70–4.40] | [9.54–14.57] | [0.20–5.75] | [8.28–12.62] | |
| GEN | 53 (5.14) | 2 (0.23) | 55 (2.90) | 126 (18.72) | 5 (4.06) | 131 (16.46) |
| [3.87–6.67] | [0.03–0.83] | [2.19–3.75] | [15.84–21.88] | [1.33–9.23] | [13.95–19.22] | |
| NAL | 177 (17.17) | 195 (22.46) | 372 (19.59) | 281 (41.75) | 29 (23.58) | 310 (38.94) |
| [14.91–19.61] | [19.73–25.39] | [17.82–21.45] | [38.00–45.58] | [16.39–32.07] | [35.54–42.43] | |
| TET | 465 (45.10) | 364 (41.93) | 829 (43.65) | 470 (69.84) | 78 (63.41) | 548 (68.84) |
| [42.03–48.20] | [38.63–45.30] | [41.41–45.92] | [66.21–73.28] | [54.25–71.91] | [65.50–72.05] | |
a
AZI, azithromycin; CIP, ciprofloxacin; CLI, clindamycin; ERY, erythromycin; GEN, gentamicin; NAL, nalidixic acid; TET, tetracycline.
b
Number and percentage of isolates resistant to the antimicrobial.
c
CI, exact binomial 95% confidence interval for the percentage of isolates resistant to the antimicrobial.