Pets often need blood transfusions for emergencies or chronic illnesses, and the U.K. is leading the way with a national blood bank system that's already saved countless lives.

In 2011, two puppies in Australia ate rat poison, losing their ability to clot blood. Desperate, a vet turned to Bruce, a calm mastiff who had donated blood before. His donation helped save the puppies, and they went home five days later, wagging their tails.

The U.K. has revolutionized canine blood donation with the 2005 Veterinary Medicines Regulations, creating a reliable, national blood supply. Blood donations have become crucial, with treatments advancing and the need for transfusions increasing. In fact, immune diseases, which cause the body to attack its own blood cells, are a major reason for transfusions.

The U.K. has 14,000 registered donors, and hospitals collect over 3,000 units of blood annually. Dogs like Sharwood, a Gordon setter, have made remarkable contributions, with one dog’s blood saving up to 160 lives. With more procedures available, dogs are more likely to need transfusions than ever before.

To be a donor, dogs must be healthy, between 1-8 years old, and over 55 pounds. After a simple blood draw, they receive treats, and the blood is processed for different components. Platelets, crucial for clotting, expire quickly, but plasma can be stored for years.

As the need for blood grows, the U.K. is considering expanding to cats. In the U.S., donor systems are fragmented, often relying on staff or client pets. However, experts emphasize the care given to donor dogs and their invaluable role in saving lives.