Table 1.
Results of testing of non infected animals randomly selected from herds in Great Britain and France*
| iELISA |
cELISA |
|||||
|---|---|---|---|---|---|---|
| Animals | Source | Total No. of samples | negative samples | specificity | negative samples | specificity |
| Sheep |
United Kingdom |
462 |
460 |
99.57 |
461 |
99.78 |
| Sheep |
France |
309 |
307 |
99.35 |
308 |
99.68 |
| Goats |
United Kingdom |
2000 |
1991 |
99.55 |
1999 |
99.95 |
| Goats |
France |
433 |
433 |
100 |
432 |
99.77 |
| Sheep and goats |
Great Britain |
6260 |
6250 |
99.84 |
6258 |
99.97 |
| Sheep and goats |
Great Britain |
36 785 |
ND |
NA |
36 784 |
99.99 |
| Cattle |
Great Britain |
160 |
160 |
NA |
159 |
99.38 |
| Cattle |
Great Britain |
5608 |
0 |
NA |
5605 |
99.95 |
| Cattle |
Great Britain |
2000 |
2000 |
100 |
1999 |
99.95 |
| RBT-negative samples |
RBT specificity |
|||||
| Pig |
Great Britain |
2031 |
1777 |
87.49 |
2004 |
98.67 |
| Pig |
Great Britain |
1488 |
1269 |
85.28 |
1464 |
98.38 |
| CFT-negative samples |
CFT specificity |
|||||
| Cattle |
Great Britain |
640 |
640 |
NA |
640 |
100 |
| Pig | Great Britain | 1488 | 1389 | 93.34 | 1464 | 98.38 |
*ND – not done; NA – not applicable; iELISA – indirect enzyme-linked immunosorbent assay; cELISA – competitive ELISA; RBT – Rose Bengal test; CFT – complement fixation test.