| 2. | Vitamin A Deficiency in Birds | | | Describes the most common preventable avian disease, Vitamin A deficiency or hypovitaminosis A, which particularly affects pet birds that eat only seeds. www.multiscope.com |
| 4. | Aspergillosis | | | Aspergillosis is the most common fungal infection in birds. Short discussion of the disease, particularly in parrots. www.multiscope.com |
| 6. | Stop PDD Information and Campaign Site | | | Information about proventricular dilatation disease, an fast-spreading infectious disease that kills many species of parrots and other birds, and solicitation of support for research on this disease and preventing its spread in the wild. www.StopPDD.org |
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