Table 3.
Detection of bacterial pathogens and HuNoV at potential human-impacted (A) and animal-impacted areas (B) as well as different regions (C).
| O157 | Listeria | Salmonella | Non-O157 | HuNoV | E. coli (MPN) | SD | Total number | |
|---|---|---|---|---|---|---|---|---|
| (A) | ||||||||
| S6 | 0 | 7 | 14 | 3 | 6 | 5.29E+04 | 1.00E+05 | 22 |
| S7 | 0 | 13 | 19 | 0 | 7 | 9.78E+04 | 3.09E+05 | 36 |
| S8 | 0 | 9 | 21 | 1 | 11 | 2.25E+04 | 6.67E+04 | 35 |
| S9 | 0 | 2 | 5 | 1 | 7 | 6.55E+03 | 1.27E+04 | 32 |
| C1 | 2 | 7 | 8 | 3 | 5 | 9.50E+04 | 1.51E+05 | 23 |
| C2 | 0 | 13 | 13 | 0 | 4 | 1.55E+05 | 4.56E+05 | 24 |
| C3 | 4 | 15 | 22 | 2 | 8 | 5.01E+05 | 1.16E+06 | 37 |
| C4 | 3 | 14 | 17 | 1 | 5 | 1.34E+05 | 3.76E+05 | 36 |
| C5 | 2 | 14 | 20 | 0 | 5 | 2.58E+05 | 9.17E+05 | 36 |
| T1 | 5 | 16 | 13 | 0 | 8 | 3.00E+05 | 1.08E+06 | 36 |
| T2 | 1 | 19 | 17 | 0 | 6 | 8.34E+04 | 1.43E+05 | 34 |
| T3 | 4 | 18 | 17 | 2 | 10 | 1.32E+05 | 4.23E+05 | 30 |
| T4 | 5 | 21 | 17 | 1 | 13 | 5.87E+04 | 1.38E+05 | 37 |
| T5 | 1 | 13 | 9 | 0 | 11 | 3.42E+04 | 7.84E+04 | 36 |
| Total | 27 (5.95%) | 181 (39.87%) | 212 (46.70%) | 14 (3.08%) | 106 (23.35%) | 1.38E+05 | 1.34E+05 | 454 |
| O157 | Listeria | Salmonella | Non-O157 | HuNoV | E. coli (MPN) | SD | Total number | |
| (B) | ||||||||
| S1 | 0 | 4 | 33 | 11 | 7 | 3.09E+04 | 6.99E+04 | 36 |
| S2 | 0 | 2 | 30 | 7 | 8 | 4.53E+04 | 1.65E+05 | 37 |
| S3 | 1 | 10 | 19 | 6 | 7 | 3.94E+04 | 5.03E+04 | 24 |
| S4 | 4 | 10 | 19 | 8 | 8 | 6.40E+04 | 8.72E+04 | 24 |
| S5 | 0 | 14 | 20 | 3 | 9 | 2.96E+04 | 2.03E+04 | 23 |
| G1 | 5 | 15 | 17 | 6 | 10 | 5.12E+05 | 1.40E+06 | 28 |
| G2 | 11 | 37 | 31 | 10 | 12 | 3.88E+05 | 9.34E+05 | 38 |
| G3 | 11 | 23 | 22 | 4 | 5 | 2.94E+05 | 3.68E+05 | 25 |
| G4 | 4 | 12 | 15 | 3 | 4 | 1.07E+05 | 1.90E+05 | 18 |
| A1 | 2 | 0 | 0 | 1 | 0 | 2.52E+05 | 4.98E+05 | 4 |
| A2 | 0 | 2 | 1 | 4 | 2 | 1.47E+05 | 3.36E+05 | 7 |
| A2∗ | 2 | 9 | 8 | 0 | 1 | 5.35E+04 | 5.03E+04 | 12 |
| A3 | 0 | 7 | 6 | 2 | 8 | 7.50E+04 | 1.43E+05 | 19 |
| A4 | 0 | 13 | 30 | 0 | 12 | 1.74E+05 | 4.53E+05 | 36 |
| X1 | 0 | 1 | 1 | 0 | 1 | 1.60E+03 | Only 1 sample | 1 |
| X2 | 0 | 16 | 20 | 1 | 15 | 3.14E+04 | 7.93E+04 | 38 |
| X3 | 1 | 25 | 29 | 1 | 6 | 4.96E+05 | 1.33E+06 | 46 |
| Total | 41 (10.10%)∗ | 200 (49.26%)∗ | 301 (74.14%)∗ | 67 (16.50%)∗ | 115 (28.33%) | 1.61E+05 | 1.63E+05 | 406 |
| p = 0.024 | p = 0.0056 | p = 0.00 | p = 0.00 | p = 0.0954 | p = 0.984 | |||
| ∗ Represented that there was statistical difference (p < 0.05) in detection rates between the human-impact area (A) and the animal-impact area (B). | ||||||||
| O157 | Listeria | Salmonella | Non-O157 | HuNoV | E. coli (MPN) | SD | ||
| (C) | ||||||||
| upper | 3.47% b | 27.78% ab | 84.03% c | 24.31% c | 27.08% bc | 4.18E+04 | 1.40E+04 | |
| Lower | 0% a | 24.8% a | 47.2% a | 4% ab | 24.8% ab | 4.49E+04 | 3.48E+04 | |
| G | 28.44% d | 79.82% e | 77.98% bc | 21.10% c | 28.44% bc | 3.25E+05 | 1.70E+05 | |
| C | 7.05% bc | 40.39% c | 51.28% a | 3.85% ab | 17.31% a | 2.29E+05 | 1.64E+05 | |
| A | 5.13% bc | 39.74% bc | 38.46% a | 8.97% b | 29.49% bc | 1.40E+05 | 7.97E+04 | |
| T | 9.25% c | 50.29% dc | 42.2% a | 1.73% a | 27.75% bc | 1.22E+05 | 1.06E+05 | |
| X | 1.33% ab | 56% d | 66.67% b | 2.67% ab | 29.33% bc | 1.76E+05 | 2.77E+05 | |
| Average | 7.91% | 44.30% | 59.65% | 9.42% | 25.58% | 1.62E+05 | 6.13E+05 | |
Shared letters in the column indicated no statistical difference among groups (p > 0.05). There was statistical difference (p < 0.05) between groups had different letters.