Table 1. Distribution of Salmonella serotypes by farms at different time points following manure application.
| Farms | Day 0 (n; %)c | Day 7b (n; %)c | Day 14b (n; %)c | Day 21b (n; %)c | ||
|---|---|---|---|---|---|---|
| (n = 189) | Manurea | Beforeb | Afterb | |||
| NCF 1 | Altona (1; 2.13%) | Altona (5; 10.64%) | Altona (4; 8.51%) | Altona (2; 4.26%) | Altona (2; 4.26%) | |
| (n = 47) | Mbandaka (1; 2.13%) | Mbandaka (1; 2.13%) | Mbandaka (1; 2.13%) | |||
| Muenster (5; 10.64%) | Muenster (5; 10.64%) | Muenster (3; 6.38%) | Muenster (3; 6.38%) | |||
| Uganda (2; 4.26%) | Uganda (1; 2.13%) | Uganda (1; 2.13%) | ||||
| Worthington (1; 2.13%) | Worthington (8; 17.02%) | Worthington (1; 2.13%) | ||||
| NCF 2 | Derby (2; 50%) | |||||
| (n = 4) | Rough_O:z10:e,n,z15 (1; 25%) | |||||
| Johannesburg (1; 25%) | ||||||
| NCF 3 | Derby (1; 1.69%) | Derby (3; 5.08%) | Derby (1; 1.69%) | |||
| (n = 59) | Johannesburg (4; 6.78%) | Johannesburg (2; 3.39%) | Johannesburg (1; 1.69%) | |||
| Rissen (1; 1.69%) | ||||||
| Typhimurium var5- (2; 3.39%) | Typhimurium var5- (15; 25.42%) | Typhimurium var5- (16; 27.12%) | Typhimurium var5- (8; 13.56%) | |||
| Worthington (5; 8.47%) | ||||||
| NCF 4 | 6,7:-:e,n,z15 (1; 3.33%) | |||||
| (n = 30) | Mbandaka (1; 3.33%) | |||||
| Senftenberg (9; 30%) | Senftenberg (1; 3.33%) | Senftenberg (10; 33.33%) | Senftenberg (6; 20%) | Senftenberg (1; 3.33%) | Senftenberg (1; 3.33%) | |
| NCF 5 | Derby (1; 9.09%) | Derby (1; 9.09%) | ||||
| (n = 11) | Ohio (3; 27.27%) | Ohio (4; 36.36%) | ||||
| Ouakam (1; 9.09%) | ||||||
| Typhimurium var5- (1; 9.09%) | ||||||
| NCF 6 | 4,12:i:- (1; 5.88%) | |||||
| (n = 17) | Rissen (9; 52.94%) | Rissen (7; 41.18%) | ||||
| IAF 6 | Anatum (10; 47.62%) | Anatum (2; 9.52%) | Anatum (1; 4.76%) | |||
| (n = 21) | Infantis (1; 4.76%) | |||||
| Litchfield (6; 28.57%) | Litchfield (1; 4.76%) | |||||
a Manure (NCF 1–6) in North Carolina is stored in lagoons while in Iowa (IAF 6), it is stored in the form of slurry in pits.
b Soil samples
c The percentage was calculated within each commercial swine farm.