A blood test is a medical procedure where a small amount of blood is taken from your body to check for any health problems or measure certain levels in your body. Full definition
If you think your dog has eaten something that may have been fatty take them to the vet as soon as possible and ask for blood tests for pancreatitis. (caninejournal.com)
If your puppy is over 6 months, you can have simple blood test done at vet to check. (1800petmeds.com)
There are several simple blood tests for heartworm disease. (leandervetclinic.com)