TABLE 2.
Recovery of sporulated T. gondii oocysts by the centrifugation method
| Strain | Age (months) | No. of oocysts | Water (1 liter) | % Recovery (avg ± SD)a |
|---|---|---|---|---|
| DX | 4 | 1 × 105 | Demineralized | 66.0 ± 10.9 (3)b |
| DX | 4 | 1 × 104 | Demineralized | 35.8 ± 7.6 (3) |
| AHC1 | 7-8 | 1 × 105 | Demineralized | 78.1 ± 18.5 (3) |
| AHC1 | 7-8 | 1 × 104 | Demineralized | 40.1 ± 10.7 (3) |
| AHC1 | 7-8 | 1 × 105 | Tap | 82.5 ± 6.8 (3) |
| AHC1 | 7-8 | 1 × 104 | Tap | 42.6 ± 7.6 (3) |
| AHC1 | 21 | 1 × 104 | Demineralized | 52.5 ± 11.5 (3) |
a
Preparations were centrifuged at 2,073 × g.
b
The numbers in parentheses are numbers of replicates.