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Prevalence of HEV-RNA in individual pigs (older and younger than 6 months) and herds
| Group | Percentage prevalence (positive/total) | p* | |
|---|---|---|---|
| Pigs | Adult | 13.9% (28/201) | 0.006 |
| Young | 25.7% (36/140) | ||
| All | 18.8% (64/341) | ||
| Herds | Grower/Fattener | 38.1% (16/42) | 0.066 |
| Farrow-to-finish | 60.0% (18/30) | ||
| All herds | 47.2% (34/72) | ||
* Significance of Chi-square test
