Over the years, we have seen a handful of cases of dogs that have EPI signs/symptoms, yet, when tested via the gold standard EPI test, the TLI blood test. They do not have EPI.
And yet why do some of these dogs do well on enzymes and as soon as the enzymes are stopped they decline.
It is possible that they have “Isolated Pancreatic Enzyme Deficiency”. Please read the following:
Isolated Pancreatic Deficiency