In domestic cats, the common blood groups are A and B; a third rare blood group, AB, is also known. This terminology is confusing because type AB is not the result of the presence of both blood groups A and B. A genetic mutation associated with blood group B in most cats has been identified. Genetic testing therefore makes it possible to determine whether a cat is bb (blood group B), Ab (carrier of the b allele with blood group A or AB), or AA (blood type A or AB). This test is particularly important in cats because of neonatal isoerythrolysis. Indeed, the colostrum of a mother with blood group B can kill a kitten if it belongs to blood group A or AB.

This test analyzes mutations specific to the Neva Masquerade breed and is not valid for other breeds.

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