Join Date: Aug 2006
Location: San Francisco Bay Area
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Photo Submissions 19 Times in 13 Posts
Yes, I can see why that would be frustrating!
You said something about using another vet, right? They will use a different lab, won't they? It would be a hassle to try to start researching the source with a different vet and find out they use the same lab.
I was trying to work the giant jigsaw puzzle/problem backwards: Stones caused by crystals; crystals caused by infection; infection is bacterial or viral...
The strange thing is that the dogs have had two different types of crystals, right? Struvite is from a pH that is too high, isn't it? (Sorry for all the questions, I don't know enough to be sure of what I'm asking, and if I type them out, maybe they will trigger another thought/question for you too.) And Oxalate is from a lower pH if I recall correctly.
I was reading a while back about calcium being a factor with pH movement in the body. You aren't giving your dogs Tums, are you?
So, the oxalate crystals are from a lower pH and the struvite are from a higher pH. This is a really puzzling part in my mind. If your dogs are getting both of these types of stones, it would seem that it couldn't really be the food, could it? This would probably be the infection creating them. Then again, I don't have a clue. I'm still trying to sort through all the pieces of the puzzle.