Color

American blue

Reference information

Name American blue
Genotype a/a d/d
Mandatory picture? No
Frequency (all time) 7.3 % (3,519 rats)
Frequency (in the last 2 years) 2.87 % (52 rats)
Average lifespan (all causes) 19.5 months (♀: 19.3 months – ♂: 19.7 months)

Description

Black + American blue.