| Methods | Pig blood samples | Pig tissue samples | ||
| Positive number/total number of samples | Positive rate (%) | Positive number/total number of samples | Positive rate (%) | |
| Our method | 30/74 | 40.5% | 37/68 | 54.4% |
| OIE recommended method | 30/74 | 40.5% | 36/68 | 52.9% |
| Commercially available kit | 30/74 | 40.5% | 35/68 | 51.5% |