Marking
Berkshire
Reference information
| Name | Berkshire |
|---|---|
| Genotype | H/h, or H/hi, or hi/hi, or hi/h, or hi/hn |
| Mandatory picture? | No |
| Frequency (all time) | 8.47 % (4,075 rats) |
| Frequency (in the last 2 years) | 12.09 % (216 rats) |
| Average lifespan (all causes) | 23.4 months (♀: 23.7 months – ♂: 23.2 months) |
Description
N/A.
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