Table 5 Average annual income and economic losses of sows with different PRRSV infection statuses
Profits/scenario | PRRSV provisional negative farm | PRRSV-positive stable farm | PRRSV-positive unstable farm | Economic loss caused by PRRSV infection/per sow/year | ||
|---|---|---|---|---|---|---|
| Â | Â | Â | Â | PN-PS | PN-PU | PS-PU |
Mean (¥/per sow) | −507.64 | −3,642.81 | −5,406.43 | 3,135.17 | 4,898.79 | 1,763.62 |
Median (¥/per sow) | −734.33 | −3,203.84 | −4,233.54 | 2,612.35 | 3,717.23 | 1,094.63 |
Standard deviation | 3,525.0 | 4,842.26 | 6,197.52 | 4,476.0 | 6,058.92 | 6,844.83 |
The possibility of sow profitability (profit > 0) | 0.41 | 0.21 | 0.16 | / | / | / |