Table 2 The presence of anti-HEV IgG, IgM, and HEV RNA in pigs of different age groups
| Age group of pigs | No. of pig | % RNA (95% CI) | % IgG (95% CI) | % IgM (95% CI) |
|---|---|---|---|---|
| Growing pigs (2–4 months) | 173 | 9.2 (5.4–14.6) | 37.6 (30.3–45.2) | 16.9 (11.6–23.3) |
| Finishing pigs (5–7 months) | 93 | 5.4 (1.8–12.1) | 64.1 (53.5–73.9) | 27.2 (18.4–37.4) |
| Breeding pigs (8–24 months) | 33 | 3.0 (0.1–15.8) | 78.8 (61.1–91.0) | 42.4 (25.5–60.8) |
| Total | 299 | 7.4 (4.7–10.9) | 50.3 (44.5–56.2) | 22.9 (18.2–28.1) |