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Incubation times
| Strain | Incubation time, days ± s.d. |
|---|---|
| NZW/OlaHsd | 108 ± 4 (n = 38) |
| CAST/Ei | 188 ± 12 (n = 16) |
| F1 | 172 ± 7 (n = 34) |
| F2 | 158 ± 26 (n = 1009) |
| Males 158 ± 26 (n = 473) | |
| Females 157 ± 26 (n = 536) |
Data shown represent the combined data for all crosses.
