Table 3a | |||||||
Type of fixative | Duration of treatment of Sh parasite stages | Concentration of fixative | |||||
0.10 | 0.25 | 0.50 | 1.00 | 1.50 | 2.00 | ||
Karnovsky’s fixative | 90 min |  |  |  |  | + (+) | 3+ (±) |
12 hr |  |  |  |  | + (+) | 2+ (±) | |
Paraform-aldehyde | 90 min | Â | Â | Â | Â | Â | Â |
12 hr | Â | Â | Â | Â | Â | Â | |
Glutar-aldehyde | 90 min |  |  | 3 + (2+) | 3 + (2+) | 2 + (2+) | + (±) |
12 hr |  |  | 3 + (2+) | 2 + (2+) | 2 + (2+) | ± (±) | |
Methanol | 90 min | + (±) | ± (±) |  |  |  |  |
12 hr | + (±) | ± (±) |  |  |  |  | |
Ethanol | 90 min | ± (±) | + (±) |  |  |  |  |
12 hr | + (±) | ± (±) |  |  |  |  | |
Acetone | 5 min | Â | Â | Â | Â | Â | Â |
90 min | 2+ (−) | 2+ (−) |  |  |  |  | |
12 hr | 2+ (−) | 2+ (−) |  |  |  |  | |
Table 3b | |||||||
Type of fixative | Duration of treatment of Sh parasite stages | Concentration of fixative | |||||
 |  | 2.50 | 3.00 | 4.00 | 5.00 | 10.00 | 100.00 |
Karnovsky’s fixative | 90 min | + (+) |  |  |  |  |  |
12 hr | + (+) | Â | Â | Â | Â | Â | |
Paraform-aldehyde | 90 min |  | ± (−) | ± (−) |  |  |  |
12 hr |  | + (−) | + (−) |  |  |  | |
Glutar-aldehyde | 90 min | + (±) | ± (±) |  |  |  |  |
12 hr | ± (±) | ± (±) |  |  |  |  | |
Methanol | 90 min | Â | Â | Â | Â | Â | Â |
12 hr | Â | Â | Â | Â | Â | Â | |
Ethanol | 90 min | Â | Â | Â | Â | Â | Â |
12 hr | Â | Â | Â | Â | Â | Â | |
Acetone | 5 min |  |  |  |  |  | 2+ (−) |
90 min | Â | Â | Â | Â | Â | Â | |
12 hr | Â | Â | Â | Â | Â | Â |