TABLE 2.
Agricultural land use and summary statistics for campylobacters by site
| Site | Agricultural land use (%)a | Mean concn (CFU ml−1) (minimum, maximum)b | % Positive for campylobacter (n) |
|---|---|---|---|
| 1 | 32 (+ WWTP) | 65 (ND, 325) AB | 75 (12) |
| 2 | 22 (+ WWTP) | 158 (ND, 595) A | 100 (13) |
| 3 | 33 | 9 (ND, 60) B | 33 (12) |
| 4 | 37 | 30 (ND, 115) B | 58 (12) |
| 5 | 52 | 10 (ND, 50) B | 69 (13) |
| 6 | 7 | 2 (ND, 10) B | 17 (12) |
a
Includes row crops and pasture land. Only sites 1 and 2 were influenced by or downstream of the municipal WWTP.
b
ND, not detected. The limit of detection was 10 CFU ml−1. Mean values followed by the same letter are not significantly different at the 95% confidence level (Kruskal-Wallis test).