Table 7 Number of lambs and kids tested for E. ruminantium (ER) infection by pCS20 PCR and MAP1-B ELISA at the various age levels and the values of kappa statistic
Age Group | pCS20 PCR | MAP1-B ELISA | Kappa | |
|---|---|---|---|---|
| Â | Â | ER positive | ER negative | Â |
0 – 10 days | ER positive | 11(a) | 1(b) | 0.015 |
| Â | ER negative | 44(c) | 6(d) | Â |
11 – 21 days | ER positive | 3 | 1 | -0.015 |
| Â | ER negative | 46 | 8 | Â |
22 – 49 days | ER positive | 17 | 6 | 0.068 |
| Â | ER negative | 30 | 16 | Â |
50 – 77 days | ER positive | 6 | 8 | -0.019 |
| Â | ER negative | 24 | 19 | Â |
78 – 98 days | ER positive | 7 | 16 | 0.223 |
| Â | ER negative | 3 | 28 | Â |
99 – 126 days | ER positive | 4 | 12 | 0.035 |
| Â | ER negative | 3 | 11 | Â |
127 – 162 days | ER positive | 3 | 21 | 0.009 |
| Â | ER negative | 4 | 30 | Â |