Table 2.
Observed frequencies (%) of porcine circovirus type 2 (PCV2), antibodies against glycoprotein E of Aujeszky's disease virus (ADV gE), porcine reproductive and respiratory syndrome virus (PRRSV) and swine influenza virus (SIV) seroconversion in 1260 pigs from 42 Spanish pig farms
| PCV2 | ADV gE | PRRSV | SIV | % of pigs |
|---|---|---|---|---|
| 0 | 0 | 0 | 1 | 0·2 |
| 0 | 1 | 1 | 1 | 0·2 |
| 1 | 1 | 0 | 0 | 0·2 |
| 0 | 1 | 1 | 0 | 0·5 |
| 0 | 1 | 0 | 1 | 0·5 |
| 0 | 0 | 1 | 1 | 1 |
| 0 | 0 | 0 | 0 | 1·3 |
| 0 | 0 | 1 | 0 | 1·3 |
| 1 | 1 | 1 | 0 | 3·2 |
| 1 | 1 | 0 | 1 | 4·2 |
| 1 | 0 | 0 | 1 | 6·2 |
| 1 | 1 | 1 | 1 | 9·8 |
| 1 | 0 | 1 | 1 | 17·9 |
| 1 | 0 | 0 | 0 | 20·3 |
| 1 | 0 | 1 | 0 | 32·5 |
Zero indicates lack of detectable antibodies whereas 1 indicates presence of antibodies against the specific virus. Bold values indicates specific viral seroconversions when they appeared in more than 80% of studied pigs.