TABLE 4.
Results from longitudinal survey cattle sera grouped according to PC-ELISA reactivities and tested by MAP1-B ELISA
| PC-ELISA reactivity | No. of sera tested | No. of sera positive by MAP1-B ELISA (% agreement) with cutoff of:
|
|
|---|---|---|---|
| 14 PP | 38 PP | ||
| Positive at first seroconversion | 48 | 45 (94) | 38 (79) |
| Positive postseroconversion | 125 | 59 (47) | 5 (4) |
| Negative preseroconversion | 46 | 2 (96) | 0 (100) |
| Negative postseroconversion | 43 | 12 (72) | 2 (95) |
| Total positive | 173 | 104 (60) | 43 (22) |
| Total negative | 89 | 14 (84) | 2 (98) |