Table 3.
Diagnostic test results at Week 24 for R. affinis as detected by microscopic pelt examination and PCR assay for Group 1 (positive control) and Group 5 (ivermectin treatment for 8 wk)
| Group | Cage | Pelt Examination | PCR Assay | ||
|---|---|---|---|---|---|
| Observer 1 | Observer 2 | Mite Screen | Species Specific: R. affinis | ||
| 1 | A | + | + | + (807) | + (50) |
| B | + | + | + (807) | + (50) | |
| C | + | + | + (402) | + (50) | |
| D | + | + | + (807) | + (50) | |
| E | + | + | + (1,622) | + (100) | |
| 5 | A | — | — | — | — |
| B | — | — | — | — | |
| C | — | — | — | — | |
| D | — | — | — | — | |
| E | — | — | — | — | |
PCR assay copy numbers are indicated in parentheses.