Marking
Unknown
Reference information
| Name | Unknown |
|---|---|
| Genotype | ?/? |
| Mandatory picture? | Yes |
| Frequency (all time) | 7.48 % (3,740 rats) |
| Frequency (in the last 2 years) | 7.24 % (134 rats) |
| Average lifespan (all causes) | 17.5 months (♀: 18 months – ♂: 17 months) |
Description
Undetermined or invisible marking (dilution, naked).

























