Table 1 Serological results A, B, C, D and E. cELISA positive (above cutoff) sheep with frequency, respective proportion (%), median titers and titer range.
Flock (n) | Parameter | Spring 2005 | Autumn 2005 | Spring 2006 | Autum 2006 |
|---|---|---|---|---|---|
A | No. positive | 15 | 13 | 11 | 11 |
15 sheep | Prop. Pos. (%) | 100 | 87 | 73 | 73 |
| Â | Median titer | 91.7 | 86.6 | 81.3 | 82.3 |
|  | Titer range | 70.9 – 99.9 | 55.1 – 99.2 | 62.0 – 99.0 | 55.3 – 99.2 |
B | No. positive | 8 | 4 | 2 | 8 |
26 sheep | Prop. Pos. (%) | 31 | 16 | 8 | 31 |
| Â | Median titer | 65.0 | 62.9 | 58.7 | 63.9 |
|  | Titer range | 61.3 – 72.8 | 55.1 – 68.1 | 56.4 – 61.0 | 55.3 – 77.5 |
C | No. positive | 14 | 13 | 14 | 15 |
17 sheep | Prop. Pos. (%)1 | 82 | 76 | 82 | 88 |
| Â | Median titer | 82.9 | 72.2 | 71.3 | 76.8 |
|  | Titer range | 69.1 – 95.2 | 55.1 – 89.6 | 57.1 – 94.8 | 55.4 – 95.8 |
D | No. positive | 13 | 21 | 29 | 19 |
63 sheep | Prop. Pos. (%) | 21 | 33 | 46 | 30 |
| Â | Median titer | 69.5 | 69.1 | 69.4 | 74.3 |
|  | Titer range | 55.1 – 100 | 55.1 – 93.4 | 55.6 – 88.6 | 56.9 – 95.2 |
E | No. positive | 26 | 24 | 19 | 24 |
63 sheep | Prop. Pos. (%) | 42 | 38 | 30 | 38 |
| Â | Median titer | 73.4 | 81.2 | 80.4 | 81.8 |
|  | Titer range | 57.4 – 94.8 | 56.5 – 96.3 | 55.2 – 97.6 | 56.0 – 98.7 |