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Proportion of ASF outbreaks caused by different mechanisms of disease spread in simulated epidemics in France.
| Index cases | ||
|---|---|---|
| Transmission routes (%) | Nucleus/Multiplier/Farrowing herds | Free-range herds |
| Commercial movement of swine | 99.36 | 11.79 |
| Movement to slaughterhouse | 0 | 0.17 |
| Local contact | 0.59 | 81.11 |
| Low-risk contact | 0 | 2.43 |
| Medium-risk contact | 0.05 | 4.5 |
