What Species are susceptible to PDD?
In the order Psittaciformes, PDD has been reported in more than 50 species, including the families Cacatuidae (Cockatoos and Cockatiels) and Psittacidae (Lovebirds, Macaws, Parakeets, Parrots, Amazon Parrots, Conures). Pacific, South American and Afro-Asian species have been described with characteristic lesions. Suggestive lesions also have been reported in free-ranging Canada Geese (Branta canadensis, Order Anseriformes), and Spoonbills, Toucans and Weavers. Other non-psittacine birds also may prove to be susceptible to this disease as improved tests are developed to accurately diagnose affected individuals. Clinical reports suggest that adults are more commonly affected than neonates. Cockatoo experimentally affected with PDD exhibiting neurological symptomatology. When was PDD first recognized and what synonyms have been used? Proventricular Dilatation Disease has been recognized since the late 1970’s. Initially, the disease seemed to be limited to macaws. This fact, in conjunction
