Quote Originally Posted by shihtzulover850
What is a Titer?
A titer is a simple blood test that checks the levels of immunity the dog has to certain diseases. Unfortunatly unless the dog has either had the shot or had the disease, the titer will just tell you that the dog is unprotected for the disease -- it won't tell you if the dog can get it or not. For instance, when I titre Visa, the results come back that Visa can not have parvo (as she's already had it) and is unprotected for distemper. Titers have helped to prove that one shot can last a dog it's entire life.