Now the medical technology is more developed, human blood transfusion is a more common first-aid way, the same dog and cat will also encounter accidents in life, so do dogs and cats need blood type test before blood transfusion? All animals, including pets, have blood types. Dogs and cats have blood types just like us. According to relevant information, dogs have more than 20 blood types. The cat’s blood group also has two or more systems, and contains different antibodies in the blood. Therefore, when cats and dogs need blood transfusion, blood type test must be carried out, otherwise, serious side effects may occur and even endanger the life of cats and dogs. Of course, cat and dog blood group identification must be handled by veterinarians, as long as cat and dog owners master this knowledge.