There are 3 feline blood groups.
Group A: Cats can be Aa or Ab
Group B: Cats can be Bb only
Group AB: Cats can be AB/AB, AB/Aa, AB/Ab, AB/Bb - extremely rare
If there is a prevalence of 30% and more of group B in your breed, you must specify the blood type on the registration form when registering your breeding or non-sterilized cat.
Prevalence of blood groups in different breeds.
Breeds | Prevalence of blood groups |
Domestic |
99% to 100% OF BLOOD GROUP A |
Maine Coon |
95% OF BLOOD GROUP A 5% OF BLOOD GROUP B |
Persian |
85% OF BLOOD GROUP A 15% OF BLOOD GROUP B |
Birman |
70% OF BLOOD GROUP A 30% OF BLOOD GROUP B |
British Shorthair |
60% OF BLOOD GROUP A 40% OF BLOOD GROUP B |