Blood Banks For Dogs And Cats Can Save Your Pets Life
With advances in veterinary medicine, more complex surgical procedures are being performed on our beloved pets. Thus, there is an increased need for blood bank programs to supply life-saving blood components. In the past, Veterinarians had to use their own dogs, dogs owned by their staff, or even dogs borrowed from their clients as blood donors in the absence of animal blood banks.
Just as human blood banks depend on human blood donors, animal blood banks must depend solely on animal blood donors. Blood is species specific – dogs can receive only dog blood and cats can only receive cat blood. In addition, dogs have blood types just as humans have blood types. Dogs have eleven different blood groups and the most important one is the A1/A2 system. Dogs that have A negative blood types are considered universal donors.
Although dogs rarely have isoantibodies against other blood types, it is still recommended that all recipients be cross matched prior to receiving a blood transfusion, especially dogs which have received a previous blood transfusion to make sure that your donor and recipient are compatible.
The major and minor cross matching is the two types of cross-matching tests. If major cross matching is done, red cells from the donor are mixed with serum from the recipient, then it is observed to see if there is a reaction. The recipient cells may attack donor cells and reject them. In the event that there is a major cross-match incompatibility, transfusion shouldn’t be done. For a minor cross-match test, the red cells of the recipient are compared with the serum of the donor. If there is a minor cross-match incompatibility, only parts of the donor’s blood can be given to the recipient.
A healthy animal with no history of metabolic or heart disease or seizures, has lean body weight (greater than 50 kg), and is 1-7 years of age is a potential donor. In addition, they should not be on any medication (except heartworm and parasite meds), have a good temperament, have been neutered and nulliparous, have jugular veins that are easily visualized and palpated and should have constant vaccinations. The Greyhounds are ideal blood donors due to their amenable disposition and high PCV.
As with human donors, screening is done to the animal donor’s blood for metabolic and infectious diseases after blood type determination. The following labs are done: CBC, biochemical profile, U/A, fecal exam, von Willebrand’s factor, and testing for Dirofilaria immiti, Ehrlichia canis, Babesia canis, B. gibsoni, Brucella canis (in intact or previously bred dogs), and Bartonella.
There is no preparation before going to the donation center and no fasting is required. Donor dogs are not sedated and the donation itself takes less than half an hour. The dog is welcomed in and lifted onto a table. Blood is taken from the jugular vein, which is a large vein in the neck. A small patch of hair on the neck is shaved to expose the skin right over the vein. The area is then swabbed with alcohol and a needle is inserted into the vein. Blood goes into the needle, through a tube, and then into the collection bag. After the blood is collected, pressure is applied to stop any bleeding and the donor is then lifted off the table. There might be a mild bruising at the site.
Water and food are offered to replace nutrients. The dog’s system starts to replace the blood immediately after the donation. Blood volume will then be back to normal in a day and the red blood cell count in 2 to 3 weeks. Strenuous activity should be discouraged for the next 24 hours after donating, just as it is with human blood donors. Also similar to human donors, there must be a waiting period of at least two months before blood can be collected again.
Dogs are compensated as soon as they have made their donation. In addition to hugs and belly rubs, they’re rewarded with gifts and treats that vary from program to program. After the first donation, a dog often gets a tag, which identifies him or her as a blood donor. Edible rewards might include dog biscuits and bottled water, a jar of baby food, or a can of dog food. Some donors may even get brand new toys. At some blood banks, dogs go home wearing cool donor bandanas. In a number of programs, they also receive a large bag of dog food with each donation. This is obviously a great benefit for their owners as well.
After the collection, the different blood components – red cells, plasma, and platelets will be separated. Anemic recipients are given red cells. Plasma builds up blood volume, thus it is given to animals that are not making enough or are losing large amounts of protein. For those recipients whose platelets are depleted or dysfunctional, they are given platelet-rich plasma.
There are now several world animal blood banks that supply blood products to Veterinary hospitals. Most have been opened for business within the past decade. Dog owners have responded with enthusiasm to the plea for blood donations and every year, the blood bank processes roughly 2,000 units of blood donated by dogs brought in to the bank at the Veterinary hospital and to the bank’s bloodmobile, which visits Veterinary clinics and kennel clubs.
Some animal blood banks depend solely on the generosity of pet owners who enroll their dogs in canine blood donor programs and take them to their scheduled appointments. Animal blood banks hold drives to encourage animal blood donations, just like what the Red Cross and other health organizations do.
Do you have a friendly, healthy dog that fits the average weight and age requirements to be a donor volunteer? Would you like your dog save the lives of other dogs? Check the location of regional blood banks for dogs and cats or the list of Veterinary Hospitals and University Veterinary Medical Centers that manage their own blood donor/blood bank programs. You can also contact the one nearest you or ask your Veterinarian if there’s an animal blood donor program with a donation site in your area.
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