TABLE 3.
Average concentrations and ranges of concentrations of fecal indicators in the pig slurry management process
| Parameter | Concn of fecal indicators (CFU g−1 [dry wt])
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Building pit (day 0-day 189) (n = 4)a
|
Storage tank (day 21-day 189) (n = 8)
|
Pond (day 112-day 189) (n = 4)
|
Soil before spreading (day 84-day 112) (n = 2)
|
Soil after spreading (day 112-day 119) (n = 3)
|
||||||
| Enterococci | E. coli | Enterococci | E. coli | Enterococci | E. coli | Enterococci | E. coli | Enterococci | E. coli | |
| Mean | 8.6 × 106 | 7.9 × 106 | 1.4 × 107 | 4.5 × 106 | 1.8 × 106 | 1.1 × 105 | ||||
| Minimum | 2.0 × 105 | 1.3 × 106 | 6.8 × 104 | 5.3 × 105 | 9.5 × 104 | 8.2 × 102 | ||||
| Maximum | 1.6 × 107 | 2.0 × 107 | 2.5 × 107 | 6.3 × 106 | 4.2 × 106 | 2.7 × 105 | ≤2 × 102 | ≤12 | ≤9 × 102 | ≤12 |
a
n, number of samples.