Do you have a superhero at home? Dogs and cats can help save lives too

02 October 2026

Do you have a superhero at home? Dogs and cats can help save lives too

They don’t need a cape. Or the ability to fly.

Some dogs and cats have a real superpower running through their veins.

Misericórdias Saúde and OneBlood have established a partnership that allows MS beneficiaries to register their dogs and cats and find out whether they meet the requirements to become blood donors.

This initiative aims to help grow the donor community and ensure that more animals have access to the blood they need.

And there is one important point worth highlighting:

Blood donation isn’t just for dogs. Cats can be donors too.

A simple gesture that can save other lives

There are clinical situations in which a blood transfusion can be essential for a dog or cat.

Having a network of available donors is therefore vital.

By joining the OneBlood community, donor dogs and cats can directly help other animals in need.

But being a donor also brings health benefits for the donor itself.

And being a hero has its benefits too

OneBlood donor dogs and cats benefit from:

Helping to save lives
A medical check-up before each donation
Free annual vaccination
Free internal and external parasite treatment
Free complete blood count
Free biochemical profile
Free screening for the main infectious diseases at each donation

Saving lives is good for their health too.

In addition to the impact of donating blood, this range of healthcare services makes it possible to regularly monitor different indicators of the donor’s own health.

Could you have a hero at home?

For cats

Your cat should:

Be calm and gentle
Weigh more than 3 kg
Be between 1 and 8 years old
Be healthy
Be vaccinated and treated for parasites
Never have received a blood transfusion

For dogs

Your dog should:

Be calm and gentle
Weigh more than 20 kg
Be between 1 and 8 years old
Be healthy
Be vaccinated and treated for parasites
Never have received a blood transfusion

The superpower is already there. All that’s left is to discover it.

If you are a Misericórdias Saúde beneficiary, register your dog or cat with OneBlood and find out whether they can become part of this donor community.

REGISTER MY DOG OR CAT