Description of model input parameter | Value | Source | |
---|---|---|---|
Mean daily temperatures (°C) | Various (see Figure 3) | 1 | |
Monthly proportion of Culicoides captures during study period (November to April) | Nov.: 0.977 Dec.: 0.017 Jan.: 0.002 | Feb.: 0.001 Mar.: 0.001 Apr.: 0.001 | [5] |
Monthly proportion of Culicoides captured outdoors (versus indoors) | Nov.: 0.50 Dec.: 0.40 Jan.: 0.27 | Feb.: 0.12 Mar.: 0.32 Apr.: 0.17 | [5] |
Cattle population in North Rhine-Westphalia (H c ) | 1 346 488 | 2 | |
Sheep population in North Rhine-Westphalia (H s ) | 199 762 | 2 | |
Monthly cumulative incidence of cattle farms (CI ci ) | Aug. 2006: 1.8 × 10-3 Sep. 2006: 3.0 × 10-3 Oct. 2006: 1.4 × 10-2 Nov. 2006: 8.5 × 10-3 Dec. 2006: 2.0 × 10-3 | Jan. 2007: 4.2 × 10-3 Feb.2007: 2.7 × 10-3 Mar. 2007: 1.0 × 10-3 Apr. 2007: 1.6 × 10-3 | 2, 3 |
Monthly cumulative incidence of sheep farms (CI si ) | Sep. 2006: 1.1 × 10-2 Oct. 2006: 4.6 × 10-2 Nov. 2006: 2.5 × 10-2 Dec. 2006: 4.0 × 10-3 | Jan. 2007: 0 Feb. 2007: 0 Mar. 2007: 0 Apr. 2007: 0 | 2, 3 |
Proportion of immune cattle | 0.01 | Model estimation‡ | |
Proportion of immune sheep | 0.04 | Model estimation‡ |