Research Article
Diagnosis and Molecular Characterization of Mycobacterium avium subsp. paratuberculosis from Dairy Cows in Colombia
Table 4
ELISA results according to group of age of 323 animals from five dairy herds.
| | Group of age | ELISA result | Total (%) | | Positive (%) | Negative (%) | Doubtful (%) |
| | 2.2–2.9 | 0 (0.0) | 32 (100) | 0 (0.0) | 32 (9.9) | | 3–5 | 1 (0.8) | 116 (98.3) | 1 (0.8) | 118 (36.5) | | 5.1–8 | 3 (2.9) | 101 (97.1) | 0 (0.0) | 104 (32.2) | | 8.1–10.9 | 1 (1.9) | 51 (96.2) | 1 (1.9) | 53 (16.4) | | >11 | 1 (6.3) | 15 (93.8) | 0 (0.0) | 16 (5) |
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