Avian Goiter; Observed in many species of birds, including pigeons, canaries, budgerigars and wild birds
Avian Tuberculosis: Was common among imported birds. Common / possible symptoms: Sudden death or progressive weight loss in spite of a good appetite, depression, diarrhea, increased thirst, respiratory difficulty, decreased egg production often occurs in birds that were laying eggs. for more info
Canary pox - Affects canaries. Common symptoms: Sudden death or the sudden onset of difficult breathing.
Egg yolk peritonitis (females / hens only) - Common / possible symptoms: Sudden death, loss of appetite/anorexia, weakness, depression, respiratory distress, lethargy, fluffed feathers, lack of vocalizations, yolk-colored droppings, swollen vent and/or abdomen (the swelling feels spongy to the touch), and ascites. Some of these symptoms also mimic egg binding. Most commonly seen in cockatiels, lovebirds, and waterfowl.
French Molt: Affects chicks of budgerigars, lovebirds, cockatiels and other psittacines (parrot birds / hook bills). Clinical signs usually appear about five to six weeks of age.Common / possible symptoms: : Excessive molting, occasional breakage of wing and tail feathers, feather loss. Watch for signs of bruising, bleeding and sudden death in chicks.
Fowl Cholera - Affects fowl. Common / possible symptoms: Sudden death, greenish diarrhea, high temperature, comb and wattle purple. Also swollen wattle. A chronic form of the disease exists in which lesions localize in a joint, wattle, infraohits, sinuses or other tissue. Treatment: Many drugs are available
PDD - Affects most parrot species, including macaws, African Greys, cockatoos, cockatiels, conures, Eclectus parrots, Amazons and budgies. Common / possible symptoms: Constant or intermittent regurgitation, chronic bacterial or fungal crop infections, pendulous crops, weight loss, passage of whole intact seeds in droppings, incoordination, depression or sudden death. Concomitant central nervous system signs may include ataxia, abnormal head movements, seizures, and proprioceptive or motor deficits.
Pulmonary Sarcocystosi - Most prevalent among non-American (African, Asia and Australian) psittacine species. Cockatoos, cockatiels and African parrots are most commonly affected with the acute fatal illness. Common symptoms: A hyper acute disease and birds are often found dead or near death without showing previous signs of illness. Birds may die unexpectedly after being observed as normal just a few hours before. Clear fluid usually exudes from the mouth when the dead bird is lifted.
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