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Percent of feedlot catch basin water samples positive for specified bacteria by season
| Season | E. coli | E. coli O157 | Salmonella | Campylobacter |
|---|---|---|---|---|
| Spring | 62%a (13/21) | 29%a (6/21) | 5%a (1/21) | 52%a (11/21) |
| (95% CI) | (38.4 to 81.9) | (11.3 to 52.2) | (0.1 to 23.8) | (29.8 to 74.3) |
| Fall | 52%a (11/21) | 0%b (0/21) | 0%a (0/21) | 0%b (0/21) |
| (95% CI) | (29.8 to 74.3) | NA | NA | NA |
P < 0.05 between seasons (aspring; bfall).
NA — Not available; could not be calculated. 95% CI — 95% confidence interval.
