Parameter | Description (unit) | Value |
---|---|---|
Α | Rate of contribution to the environmental infectious pressure per infected individual (units per day) | a1.00 × 100 |
β 1 | Decay of environmental infectious pressure during spring (per day) | 1.57 × 10−1 |
β 2 | Decay of environmental infectious pressure during summer (per day) | a1.44 × 10−1 |
β 3 | Decay of environmental infectious pressure during autumn (per day) | 1.50 × 10−1 |
β 4 | Decay of environmental infectious pressure during winter (per day) | 1.57 × 10−1 |
υ 1 | Indirect transmission rate of the environmental infectious pressure in calves (per animal per day) | 2.48 × 10−2 |
υ 2 | Indirect transmission rate of the environmental infectious pressure in young stock (per animal per day) | 2.48 × 10−2 |
υ 3 | Indirect transmission rate of the environmental infectious pressure in adults (per animal per day) | 1.37 × 10−2 |
γ | The recovery rate of infection (per day) | a1.00 × 10−1 |
D | The rate of local spread among proximal holdings (per day per m) | 0.11 × 10−5 |