Table 1 Number of blood samples collected from non-pregnant and pregnant ewes on 40 farms in the three scrapie categories in scrapie-afflicted areas (see also text).
Category | No of farms | No of samples from non-pregnant ewes | No of samples from pregnant ewes | Total no of samples |
|---|---|---|---|---|
Scrapie-free farms | 14 | 94 | 113 | 207 |
Scrapie-prone farms | 12 | 120 | 119 | 239 |
Scrapie-afflicted farms | 14 | 83 | 106 | 189 |
Total numbers* | 40 | 297 | 338 | 635 |