ANSWERS: 1
-
That would depend on their general health. They are reaching the upper limits of a dogs life span, they may, therefore, have ailments that would be worsened or aggravated if they took boosters. I do not know your dogs, their general health, their living conditions thus I can not give you any real answer except to discuss this with your vet.
Copyright 2023, Wired Ivy, LLC

by 