Volume 19, Number 3—March 2013
Research
Foodborne Disease Prevention and Broiler Chickens with Reduced Campylobacter Infection
Table
Campylobacter spp.–positive and –negative broiler chicken flocks in summer (June to October), Denmark
Source |
2003–2005 |
2006–2009 |
Odds ratio
(95% CI) |
|||||
No. (%) positive |
No. negative |
95% CI* |
No. (%) positive |
No. negative |
95% CI |
|||
Fly screen houses | 41 (41.4) | 58 | 32.2–51.3 | 13 (10.3) | 113 | 6.1–16.9 | 6.1 (3.1–12.4)* | |
Control houses | 41 (41.8) | 57 | 32.6–51.7 | 48 (36.0) | 85 | 28.4–44.5 | 1.3 (0.7–2.1) | |
National prevalence | 3,209 (48.6) | 3,396 | 47.4–49.8 | 3,744 (45.6) | 4,471 | 44.5–46.7 | 1.1 (1.1–1.2)* |
*Significantly different from 1, p<0.001.