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Estimated proportion of cattle and sheep farms per geographical risk area for BTV-8 introduction in Switzerland for the summer months of 2006.
| Proportion of farms per geographical risk area |
|||
|---|---|---|---|
| Low risk | Medium risk | High-risk | |
| Cattle farms | 14.9% | 54.9% | 30.2% |
| Sheep farms | 55.5% | 18.0% | 26.5% |
