Table 1 Characterization of bloodstream form T. brucei from animals
Cell type | Parasitemia | Cell morphology | procyclin staining | |||
|---|---|---|---|---|---|---|
| Â | (cells/ml) | Slender | Intermediate | Stumpy | positive | negative |
Slender | 5.6 × 107 | 97% | 3% | 0% | 0% | 100% |
|  | 1.2 × 108 | 97.6% | 2.4% | 0% | 0% | 100% |
|  | 9.4 × 107 | 94.5% | 5.5% | 0% | 1.0% | 99.0% |
Stumpy | 5.2 × 108 | 0% | 20.7% | 79.3% | 88.2% | 11.8% |
|  | 6.1 × 108 | 0.6% | 6.4% | 93% | 89% | 11% |
|  | 6.9 × 108 | 5.1% | 18.5% | 76.4% | 67.5% | 32.5% |