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)	8.7 % (4,364 rats)
Frequency (in the last 2 years)	14.13 % (254 rats)
Average lifespan (all causes)	23.4 months (♀: 23.5 months – ♂: 23.2 months)

Description

N/A.