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Sites:

Chronic Egg Laying in Single Cockatiels: Provides detail on how to change your bird's environment to make it less stable for egg laying and includes the story of Louise who did not respond to the usual remedies.

Chronic Egg-laying: Describes this dangerous condition in certain bird species that can result in death if not treated. From Atlantic Coast Veterinary Conference.

Problems With Egg Production: Discusses life-threatening problems in cockatiels, parakeets, lovebirds, and canaries that include egg binding, prolapse, egg peritonitis, and obturator paralysis.

Prolapse of the Rectum or Oviduct: An emergency requiring an avian vet, usually caused by egg laying problems, where the internal organ becomes inverted outside of the rectal area. From HD Budgerigar Cage Bird Society Inc.

Prolapsed Cloaca: Provides the causes, symptoms, diagnosis, and treatment of this life threatening emergency. Presents photographs.

Reproductive Disorders of the Hen Parrot: Presents common problems in female birds such as egg binding, prolapse, infections, and peritonitis.

The Reproductive Female: Word document that discusses female anatomy, hormonal and physiologic factors, oviduct impaction, neoplasia, cystic ova, and peritonitis.