Table 2.
The means, medians and the range of individual results of GPX determinations (units g Hb-1) in blood from non-pregnant and pregnant ewes on farms in the three scrapie categories in scrapie-afflicted areas (see also text) and on farm A.
| Scrapie-free farms | Scrapie-prone farms | Scrapie-afflicted farms | Farm A* | |
| Non-pregnant ewes | ||||
| Means | 312 | 267 | 361 | 452 |
| Medians | 280 | 243 | 342 | 478 |
| Range | 92–625 | 67–585 | 36–733 | 94–707 |
| Pregnant ewes | ||||
| Means | 298 | 239 | 278 | - |
| Medians | 267 | 189 | 240 | - |
| Range | 71–625 | 58–625 | 54–766 | - |
*: The ewes on farm A were all non-pregnant.