Proventricular Dilatation Syndrome (PDS) in Birds
Introduction Proventricular Dilatation Disease (PDD) in birds , also known as Macaw Wasting Disease or Macaw Fading Syndrome (it was first seen in macaws), and Neuropathic Wasting Disease, is a devastating disease of mostly young psittacines. It was first recognized in the early 1970's. It was first called "Macaw Wasting Disease," as the disease caused a gradual wasting away of macaws. It occurs in over 50 species of parrots. Common species are African Grey parrots, Amazons Macaws, and Cockatoos. It is suspected to also occur in non-psittacine birds like canaries, weaver birds, and toucans. The University of Guelph found it
