Quote Originally Posted by Scooter's Mom View Post

The dogs get the test one time a year;

I buy the preventative either 6 months or 1 year at a time.
Usually 6 months at a time.
I think you missed my point ...

You should ask your Vet, but most Vets don't feel there is a need for the
yearly Heartworm TEST --- IF the dog is kept on preventative for the entire 12 month year.

Test once, the give the preventative every month, and avoid the re-testing.

But - ask YOUR Vet.