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Observed subtypes and Simpson's index of discriminatory power at two correlation levels for repetitive-element PCR with Dt primers and ribotyping (EcoRI) of poultry-associated C. perfringens isolates
| Method | Correlation level (%) | Observed subtype | Dsa |
|---|---|---|---|
| Repetitive-element PCR with Dt primers | 95 | 21 | 0.961 |
| 90 | 19 | 0.938 | |
| 80 | 12 | —b | |
| 70 | 9 | — | |
| 60 | 7 | — | |
| EcoRI ribotyping | 95 | 23 | 0.960 |
| 90 | 14 | 0.873 | |
| 80 | 8 | — | |
| 70 | 5 | — | |
| 60 | 4 | — |
See Materials and Methods.
—, not determined.
