Table 5.
Pruritic behaviour observed on camera recordings
| Animal No | Total recorded time [min] | Pruritus score | Rubbing | Nibbling | Scratching | PrP d score (thalamus) |
|---|---|---|---|---|---|---|
| Scrapie negative (LRS & CNS) | ||||||
| G08-1144 | 71 | 1.00 | 24% | 55% | 21% | 0 |
| G08-1122 | 120 | 0.24 | 17% | 62% | 21% | 0 |
| G08-1342 | 54 | 0.22 | 0% | 83% | 17% | 0 |
| G08-1115 | 120 | 0.18 | 43% | 38% | 19% | 0 |
| Scrapie positive (LRS Only) | ||||||
| G08-1389 | 1928 | 0.78 | 20% | 59% | 21% | 0 |
| G08-1143 | 224 | 0.64 | 19% | 68% | 13% | 0 |
| G08-1396 | 2019 | 0.60 | 20% | 47% | 33% | 0 |
| G08-1430 | 1712 | 0.49 | 46% | 50% | 4% | 0 |
| G08-1427 | 80 | 0.03 | 0% | 100% | 0% | 0 |
| Scrapie positive (CNS & LRS) | ||||||
| G08-1447 | 298 | 0.64 | 48% | 30% | 22% | 3.0 |
| G08-1415 | 785 | 0.50 | 27% | 57% | 16% | 0 |
| G08-1460 | 199 | 0.47 | 16% | 68% | 16% | 0 |
| G08-1373 | 654 | 0.45 | 45% | 34% | 21% | 1.0 |
| G08-1365 | 1828 | 0.44 | 18% | 57% | 25% | 0 |
| G08-1475 | 236 | 0.41 | 37% | 56% | 7% | 3.0 |
| G08-1383 | 609 | 0.39 | 26% | 49% | 25% | 0 |
| G08-1451 | 725 | 0.37 | 12% | 69% | 19% | 0.5 |
| G08-1153* | 107 | 0.32 | 6% | 35% | 59% | N/D |
| GZ1100*$ | 120 | 0.31 | 22% | 71% | 24% | N/D |
Animal numbers in bold font: Positive scratch test prior to cull.
* Clinical suspect from herd A reported by the farmer; all others are from herd B; a pruritic score ≥0.5 (underlined font) was considered excessive.
$Fleas found in coat prior to cull.
N/D = Not determined.