Both the blood donor and recipient should always be blood typed prior to transfusion. This is especially important in cats due to the occurence of alloantibodies. Commercial in house kits are convienient or laboratories often provide blood typing services. | Both the blood donor and recipient should always be blood typed prior to transfusion. This is especially important in cats due to the occurence of alloantibodies. Commercial in house kits are convienient or laboratories often provide blood typing services. |