Blood Bank

Cummings School of Veterinary Medicine at Tufts University relies upon our generous dog and cat blood donors to provide life-saving blood transfusions to our patients. So far in 2023, we have provided over 250 transfusions to both dogs and cats.

A beagle mix wearing a pink shirt getting his blood drawn.

Is my cat or dog eligible to become a blood donor?

Dogs must be:

  • Friendly with a good temperament and willingness to be restrained
  • Between 1 and 8yrs old
  • Weigh more than 50lb (22.7kg)
  • Spayed/ neutered
  • Healthy
  • Current on core vaccines
  • Taking no medications except flea, tick, heartworm or thyroid medications
  • Have never received a blood transfusion

Cats must be:

  • Friendly with a good temperament
  • 1 to 7 years of age 
  • Weigh ≥10 pounds (4.6kgs)
  • Indoors only
  • Spayed or neutered
  • In good physical condition 
  • Current on core vaccines 
  • Have never received a blood transfusion
  • Taking no medication except heartworm or flea and tick preventative

Benefits for donors

  • Free annual bloodwork including infectious disease testing
  • $50 hospital credit
  • Free bag of food
  • Annual swag (bandanas etc)


How often does my pet have to give blood? 

  • A minimum of three times a year. It is safe for pets to donate as often as every 8 weeks.

Can I be present for the blood donation? 

  • For safety purposes, we have a team of trained veterinary professionals that will perform the donation.

What are the risks to my pet when giving blood? 

  • The risks, although rare, include clipper irritation, bruising, venipuncture wounds, infection, and low blood pressure. 

Will being a blood donor affect my dog’s lifestyle?

  • No, your dog can lead a normal life. There are no exercise or socializing restrictions. 

Can I withdraw my pet from the blood donor program at any time?

  • We ask that blood donors sign up for a year at a time. You retain the right to withdraw your pet at any time but may be responsible for the annual blood work costs depending on circumstances. 

Furry Friends Who Have Donated

An orange cat wearing a red bandana and licking its nose.
A black and brown dog laying on an exam table donating blood.
A beagle mix wearing a pink shirt and smiling at the camera.