TABLE 1.
Sources of Campylobacter spp. recovered from flocks and the environment
| Flock(s) | Sample typec | No. of positive samples/no. of samples testeda for birds of indicated ages (days):
|
||||||
|---|---|---|---|---|---|---|---|---|
| 0-1* | 6-16** | 18-28** | 25-28** | 30-33 | 35-40** | 42-49*** | ||
| A/Bb | Broilers | 0/2e | 0/10 | 0/10 | 1/10; 0/10d | — | 10/10 | — |
| Puddles | 1/1e | 0/8 | 0/4 | 0/4 | — | 0/4 | — | |
| Other | 0/10d, e, su, h, sh | 0/12d, e, su, w, sh | 0/6d, e, su, w, sh | 0/6d, e, su, w, sh | — | 10/16d, e, su, w, sh, cr | — | |
| C/Db | Broilers | 0/2e | 0/22 | 0/11 | 0/11 | — | 0/11 | 0/11 |
| Puddles | 0/2 | 4/7 | 0/4 | 0/2 | — | 0/2 | 0/2 | |
| Other | 0/8d, e, su, do, w | 0/16d, e, su, do, w | 0/8d, e, su, do, w | 0/8d, e, su, do, w | — | 0/8d, e, su, do, w | 0/18d, e, su, do, w, cr | |
| E | Broilers | 0/2e | 0/22 | 0/11 | 0/11 | — | 0/11 | 0/11t |
| Puddles | 0/4 | 0/7 | 0/3 | 0/3 | — | 3/3 | 0/3 | |
| Other | 0/8d, e, su, do, w | 0/8d, su, do, w | 0/4d, do, w | 0/4d, su, do, w | — | 0/4d, su, do, w | 0/9d, su, do, w, cr | |
| F | Broilers | 0/12e | 0/20 | 0/11 | — | 0/10 | 0/10 | 3/10 |
| Puddles | 0/6 | 1/6 | 0/2 | — | 0/4 | 0/2 | — | |
| Shed surround | 0/5 | 0/6 | 0/1 | — | 0/2 | 0/1 | — | |
| Other | 0/8su, f, st | 0/3st, i | 3/5cr | |||||
| G | Broilers | 0/10e | 0/21 | 0/20 | 0/10 | 10/10 | 5/5 | 10/10 |
| Puddles | 1/2 | 0/2 | — | — | 0/1 | — | — | |
| Shed surround | 0/1 | 0/1 | 0/3 | 0/2 | 0/2 | — | — | |
| Other | 0/9su, e, w | 0/1e | 0/1w | 1/5c, d, st | 1/1c | — | 3/5cr | |
| H | Broilers | 0/14e | 0/28 | 1/28 | 14/14 | 14/14 | 28/28 | 14/14 |
| Puddles | 2/3 | 2/4 | 1/2 | — | 1/1 | 1/1 | — | |
| Shed surround | 0/4 | 1/4pa | 1/2pa | — | — | — | — | |
| Other | 1/10c, w, su, d, e | 0/1c | — | — | — | — | 5/5cr | |
| I | Broilers | 0/14e | 0/28 | 0/14 | — | 0/14 | 0/14 | 2/59 |
| Puddles | — | 0/2 | 0/1 | — | — | — | — | |
| Shed surround | 0/2 | 0/3 | 0/2 | — | 0/1 | 0/1 | — | |
| Other | 0/11w, su, d, i | 0/10d, su, e | 0/2i, d | — | 0/3d | — | — | |
| J | Broilers | 0/14e | 0/28 | 0/28 | 0/28 | 1/14 | 14/14 | 13/13 |
| Puddles | 0/2 | 0/5 | 2/3 | 1/4 | 0/2 | 0/1 | — | |
| Shed surround | 0/3 | 0/2 | — | 0/1 | — | — | — | |
| Other | 0/12c, d, su | 0/10d, c, su | 0/4w, d | 0/5d, su | 0/3d | 1/4d, su | 5/5cr | |
Bold type indicates positive results. *, prefill to chick placement; **, may represent more than one sampling visit; ***, day of kill; —, not sampled; c, cow feces; cr, transport crates (pre-bird loading); d, drinker surfaces; do, dog feces; e, equipment; f, floor of anteroom or shed; h, horse feces; i, insects; pa, path; sh, sheep feces; st, straw outside shed; su, structural supports inside shed, and walls; w, wild animals, including bird, fox, hedgehog, mouse, rabbit, and shrew.
Flocks were grown concurrently.
Samples from broiler flocks were obtained from fecal, cloacal, or cecal material. Shed surround includes concrete aprons and paths.
First result is from flock A, and second result is from flock B.
Number of composite samples tested.