Dealing With Vitamin A Deficiency in Birds - Describes the most common preventable avian disease, hypovitaminosis A, which particularly affects pet birds that eat only seeds. Fatty Liver Disease in Cockatiels - Reasons why a parrot develops fatty liver disease and what can be done to prevent it. From Winged Wisdom Pet Bird Magazine. Avian Goiter (Thyroid Hyperplasia or Dysplasia) - An enlargement of the thyroid observed in many species of birds, including pigeons, canaries, budgerigars, and wild birds. Visceral Gout in Birds - Health concern plaguing caged birds, which is brought on by the build up of uric acid. Evaluating Birdpoop - Monitoring bird droppings can help identify illness in a bird. By Birds n Ways. Avian Biotech: Avian Disease Center - Offers testing for many avian diseases affecting all kinds of birds. Including DNA sexing. Gout In Birds - Describes this condition, dietary recommendations, and medications to control it. Correcting Spraddle or Splay Leg in Birds - Describes this condition, its causes, and the importance of early intervention. The Amazing Avian Beak Anatomy and Common Disorders - Learn about beaks, their functions, parts, diseases, and disorders. Thyroid Testing in Avian Species - Describes this controversial test, signs of hypothyroidism, and emphasizes the importance of making a careful diagnosis. Diabetes in Birds - Describes this condition, the treatment, and complications. Avian Cancer - Discusses the types of tumors that have been diagnosed in pet birds, including those of the skin and internal organs. CPR for Birds - Discusses cardiopulmonary resuscitation that can save a bird's life in the correct circumstances. Avian Vacuolar Myelinopathy - Information on this neurological disease affecting waterbirds, provided by the USGS National Wildlife Health Center. Avian Botulism - Information on this paralytic disease caused by ingestion of a toxin produced by the bacteria, Clostridium botulinum, provided by the USGS National Wildlife Health Center. Growing Old Gracefully - Article on geriatric birds and their ailments. Pigeon Canker - Factsheet about this common disease of pigeons caused by a protozoan parasite.