Anatomy: Animals InsideCirculatory System |
What are blood groups? |
Genetically determined blood group systems number in the dozens among humans, but the AB0 and Rh systems are the most important ones used to type blood for human blood transfusions. The following lists the number of blood groups for certain species of animals:
Species |
Number of Blood Groups |
Pig |
16 |
Cow |
12 |
Chicken |
11 |
Horse |
9 |
Sheep |
7 |
Dog |
7 |
Rhesus monkey |
6 |
Mink |
5 |
Rabbit |
5 |
Mouse |
4 |
Rat |
4 |
Cat |
2 |