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Number of animals used for assessing hearing threshold.
| <12 months |
>12 months |
|||
|---|---|---|---|---|
| C57 | F1 hybrid | C57 | F1 hybrid | |
| (PV | SOM) | (PV | SOM) | (PV | SOM) | (PV | SOM) | |
| Female | 11 (4 | 7) | 11 (9 | 2) | 17 (14 | 3) | 9 (4 | 5) |
| Male | 5 (5 | 0) | 6 (3 | 3) | 20 (13 | 7) | 11 (5 | 6) |
