London's furry blood donors
Media playback is unsupported on your device
Video

How dogs become life-saving blood donors

People are encouraged to give blood to help save lives, but it is not just our blood that is in demand - pets sometimes need blood too.

Like humans, individual dogs have different blood groups but can receive transfusions from a universal donor.

With rapid advances in veterinary medicine, more dog donors are needed.

One north London clinic is now running "doggy donor days".

  • 26 Jan 2019
Go to next video: What's going on with China's economy?