PDD: Proventricular Dilation Disease

Blue throated macaw

PDD is a disease that causes a failure in the parrot’s digestive system. While it is also called “Macaw Wasting Syndrome”, it is absolutely not exclusive to the macaw.  In fact, it has been seen in many species of our companion birds and their wild counterparts.

So that you can better understand the impact of this disease, first let me describe the parrot’s digestive system:  The bird breaks down food with its beak and passes it down to the crop.  The crop slowly delivers food to a two ...

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