Volume 16, Number 8—August 2010
Letter
Mycobacterium avium subsp. hominissuis Infection in Horses
Table
Detection of Mycobacterium avium subsp. hominissuis in tissues of a 1-year-old Fjord filly*
| Sample source | Mycobacteria detection |
qPCR |
|||
|---|---|---|---|---|---|
| Microscopy | Culture | IS1245† | IS901 | ||
| Feces | − | + | 6.31 × 105 | − | |
| Lymph node of transversal colon | + | + | 1.84 × 109 | − | |
| Lymph node of descending colon | + | + | 5.89 × 109 | − | |
| Transversal colon wall | + | + | 3.98 × 107 | − | |
| Descending colon wall | + | + | 6.33 × 106 | − | |
| Liver | − | + | NT | NT | |
| Mesenteric lymph node | +++ | + | 2.47 × 1011 | − | |
| Kidney | − | + | NT | NT | |
| Spleen | − | + | NT | NT | |
| Diaphragm | − | − | 8.22 × 104 | − | |
*qPCR, quantitative real-time PCR; −, negative finding; +, few acid-fast rods (AFR); NT, not tested; +++, >100 AFR (per 50 microscopic fields).
†No. IS1245 copies/g.


