TABLE 3.
Results from point prevalence survey sheep and cattle sera grouped according to PC-ELISA reactivities and tested by MAP1-B ELISA with low (14 PP for both species) and high (29 PP for sheep and 38 PP for cattle) cutoff levels
| Species (age in mos) | PC-ELISA reactivity | No. of sera tested | No. of sera positive by MAP1-B ELISA (% agreement) with:
|
|
|---|---|---|---|---|
| Low cutoff | High cutoff | |||
| Adult sheep | Positive | 91 | 88 (97) | 78 (86) |
| Negative | 42 | 4 (92) | 2 (95) | |
| Calves (4-6) | Positive | 77 | 25 (33) | 8 (10) |
| Negative | 43 | 8 (81) | 0 (100) | |
| Calves (7-12) | Positive | 114 | 32 (28) | 3 (3) |
| Negative | 42 | 9 (79) | 1 (98) | |
| Adult cattle | Positive | 147 | 31 (21) | 4 (4) |
| Negative | 87 | 16 (82) | 2 (98) | |
| All cattle | Positive | 338 | 88 (26) | 15 (4) |
| Negative | 172 | 33 (81) | 3 (98) | |