Table 3.
Campylobacter colonization levels of the flocks approximately 1 wk after thinning.
|
Farm |
Flock 1 (study flock) |
Flock 2 |
Flock 3 |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Ceacal samples |
Overshoes |
Overshoes |
Overshoes |
||||||
| D | AE | log cfu/g | D | AE | D | AE | D | AE | |
| A | 0/5 | 0/5 | <2.0 | 0/1 | 0/1 | 1/1 | 1/1 | n.p. | n.p. |
| B | 0/5 | 0/5 | <2.0 | 0/1 | 0/1 | 1/1 | 1/1 | n.p. | n.p. |
| C | 4/5 | 4/5 | 6.0 | 1/1 | 1/1 | 0/1 | 0/1 | n.p. | n.p. |
| D | 0/5 | 0/5 | <2.0 | 0/1 | 0/1 | n.s. | 1/11 | n.p. | n.p. |
| E | 4/5 | 4/5 | 4.2 | 1/1 | 1/1 | 0/1 | 0/1 | n.p. | n.p. |
| F | 0/5 | 0/5 | <2.0 | 0/1 | 0/1 | 0/1 | 0/1 | n.p. | n.p. |
| G | 0/5 | 0/5 | <2.0 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 |
| H | 5/5 | 5/5 | 8.3 | 1/1 | 1/1 | n.p. | n.p. | n.p. | n.p. |
| I | 0/5 | 0/5 | <2.0 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 |
| J | 0/5 | 0/5 | <2.0 | 0/1 | 0/1 | 0/1 | 0/1 | n.p. | n.p. |
D, number of pooled samples positive after direct plating/total number of pooled samples.
AE, number of pooled samples positive after enrichment/total number of pooled samples.
n.p., not present.
n.s., not sampled.
1
Isolate from the slaughterhouse.