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Information on Blood Banks For Dogs And Cats

By: John Bear


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With the growing demand for more surgery and the increased use of transfusion therapy to treat different kinds of diseases, there is indeed a great need for blood bank programs to supply life-saving blood components whenever and wherever they are needed. Before there were animal blood banks, Veterinarians had to use their own dogs, dogs owned by their staff, or even dogs borrowed from their clients as blood donors.

Animal blood banks depend solely on animal blood donors. Animal blood is specific to certain specie, dogs can receive dog blood only, and similarly, cats can only receive cat blood. Moreover, dogs have blood types just like humans. Among the eleven different blood groups of dogs, the most important one is the A1/A2 system. Canines with A negative blood types are considered universal donors.

It is recommended that all recipients be cross matched before receiving a blood transfusion to ensure donor and recipient compatibility despite the fact that canines rarely have isoantibodies against other blood types.

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.

After the canine's blood type is determined and is acceptable, donors are tested to make sure their blood values are high enough and no infectious disease is present before blood is drawn as with human blood donors. CBC, biochemical profile, U/A, fecal exam, von Willebrand's factor, is done as well as testing for Dirofilaria immiti, Ehrlichia canis, Babesia canis, B. gibsoni, Brucella canis (in intact or previously bred dogs), and Bartonella.

No preparation such as fasting is needed before going to the donation center. Canine donors are not sedated and the procedure takes only less than 30 minutes. Upon arrival, the dog is welcomed in and lifted onto a table. Shaving is done to a small patch of hair on the neck to expose the skin right over the jugular vein where the blood is taken. Then, the area is cleansed with alcohol and a needle is inserted into the vein. Upon insertion, blood goes into the needle, through a tube. Then it goes into the collection bag. Pressure is then applied to stop any bleeding after the procedure is done. Mild bruising may be present at the site where blood is collected.

Fluid and nutrients are then replaced by giving water and food after blood is drawn. The body compensates by producing new red blood cells immediately after the donation. In the next 24 hours after donating, strenuous activities should be avoided. Two months must elapse before the dog can donate blood again. By that time, the blood volume and red blood cell count will be back to normal.

The dogs are given gifts and treats after donating. A dog may get a tag, which identifies him or her as a blood donor, edible rewards such as dog biscuits, a jar of baby food, a can or a large bag of dog food and some donors may even get brand new toys or cool donor bandanas.

The blood donations will then be separated into the different blood components - red blood cells, platelets and plasma to be used for both emergency and pre-planned transfusions. The red blood cells are given to recipients suffering from anemia that may be due to trauma or a treatable disease. When the animal is not producing the right amount or is losing too much protein, plasma helps increase blood volume. Platelet-rich plasma is for those recipients with decreased or dysfunctional platelets.

Today, there are several animal blood banks in the world. They supply blood products to the different Veterinary hospitals. It is good that many pet owners responded with enthusiastically to the growing need for blood donations. The blood donated by the animals is brought in to the bank at the Veterinary hospital and to the bank's bloodmobile, which visits Veterinary clinics and kennel clubs.

Other regional blood banks depend entirely on the generosity of caring people who enroll their dogs in canine blood donor programs and take them to scheduled appointments to donate. Canine blood banks hold drives to find new volunteer donors, just like the Red Cross and other health organizations do to encourage human blood donations.

If you would you like your pet to be a life-saver of other pets, and that they fit the requirements to be a volunteer donor, check out the where regional blood banks for dogs and cats or the list of Veterinary Hospitals and University Veterinary Medical Centers are located and contact the one nearest you. You can also inquire about animal blood donor programs during your next visit to the veterinarian.

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