What blood types do cats have?

Cats have three main blood types: A, B, and AB. Type A is the most common, found in about 94 to 99 percent of domestic cats. Type B is less common and is usually seen in exotic purebred cats. The rarest type is AB². These blood types are determined by the presence or absence of specific proteins (antigens) on the surface of red blood cells. Cats with type A blood have the A antigen, while those with type B blood have the B antigen³. Identifying a cat’s blood type is crucial for safe transfusions, as there are no universal donors among cats. Matching donors and recipients helps prevent adverse reactions during blood transfusions¹.

(1) Cat Blood Types: Do You Know Your Cat’s Blood Type? – CatTime. https://cattime.com/cat-facts/health/25509-cat-blood-types.
(2) Understanding feline blood types – wisdompanel.com. https://www.wisdompanel.com/en-us/blog/understanding-feline-blood-types.
(3) Blood Groups and Blood Transfusions in Cats – Cat Owners – Merck …. https://www.merckvetmanual.com/cat-owners/blood-disorders-of-cats/blood-groups-and-blood-transfusions-in-cats.

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