Table 4 Detection frequencies of Mycobacterium avium subspecies hominissuis in mandibular and jejunal lymph nodes with and without gross pathological lesions from pigs slaughtered at different age
Lymph node | Weeks | Pathological changes present | Pathological changes absent | ||
|---|---|---|---|---|---|
Mandibular | Total number | Culture positive | Total number | Culture positive | |
24 | 8 | 100% | 30 | 53% | |
25 | 15 | 93% | 30 | 43% | |
26 | 6 | 100% | 9 | 44% | |
28 | 10 | 90% | 15 | 73% | |
Total | 39 | 95% | 84 | 52% | |
Jejunal | Weeks | Pathological changes present | Pathological changes absent | ||
Total number | Culture positive | Total number | Culture positive | ||
24 | 3 | 100% | 30 | 27% | |
25 | 6 | 100% | 46 | 33% | |
26 | 3 | 100% | 10 | 40% | |
28 | 15 | 100% | 14 | 43% | |
Total | 27 | 100% | 109 | 42% | |