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Prevalence of C. botulinum type B in pig feces regarding variations in geography, season, and rearing condition
| Variable | No. of positive samples/no. of samples examined | % Positive samples | P value |
|---|---|---|---|
| Geography | |||
| Southern Sweden | 23/37 | 62 | |
| Central Sweden | 25/41 | 61 | 0.105 |
| Season | |||
| Summer | 21/45 | 47 | |
| Winter | 27/33 | 82 | 0.001 |
| Rearing condition | |||
| Outdoor | 12/36 | 33 | |
| Indoor | 36/42 | 86 | <0.0005 |
