INFORMATION FOR VETERINARIANS What are the clinically significant canine blood types? DEA Group Presence of Naturally Occurring Antibodies? Transfusion Significance 1.1 No Clinically significant antibody – may cause an acute hemolytic transfusion reaction. 1.2 No Clinically significant antibody – may cause an acute hemolytic transfusion reaction. 3 Yes Possible delayed reaction. No hemolysis of red blood cells. 4 No None 5 Yes Possible delayed reaction. No hemolysis of red blood cells. 7 Yes Possible delayed reaction. No hemolysis of red blood cells. X CLOSE WINDOW X