Join Date: Jun 2009
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It is important to understand that once a dog HAS a titer, even if it drops, it does not necessarily mean that they are no longer protected. It only means that they haven't been challenged by the disease for long enough that the blood no longer has enough antibodies to be measured. However, with a healthy immune system, the "memory" cells that are left behind (and can't be measured, unfortunately) will quickly mount the defense if the dog is challenged by the disease.
So, while many of us use titers as a way to prove to others that our dogs are protected, in all likelihood, they are protected for much, much longer than they have a titer. (possibly for life, though the studies haven't been done to prove it)
The problem being, we DO want to keep our animals safe, and so even vets who believe in minimal vaccination schedules, as mine does, tend to be on the cautious side and recommend revaccination if the titer falls below a certain level and the dog is otherwise healthy. That's not a "wrong" decision, I just want to make sure that people understand that no titer does not necessarily mean lack of immunity, AS LONG AS the animal has had a titer at some point.
Karen, Kodi, Pixel and Panda
(ARCHMX Starborn Kodak Moment CGC, NTD, BN, PCD, NA, NAJ, CDX-CCH, RE, RLV, RL1X3, RL2X4, RL3X3...
plus Starborn's Picture Perfect & Nauti Herd Compact Flash RN, CGC, NTD, SN-C, RL1)