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  • Title: Clinical management of an ectopic egg in a Timneh African grey parrot (Psittacus erithacus timneh).
    Author: Mans C, Sladky KK.
    Journal: J Am Vet Med Assoc; 2013 Apr 01; 242(7):963-8. PubMed ID: 23517209.
    Abstract:
    CASE DESCRIPTION: A 13-year-old female Timneh African grey parrot (Psittacus erithacus timneh) was evaluated because of the presence of a bald patch of skin caudal to the sternum and increased territorial and nesting behavior of 2 weeks' duration. CLINICAL FINDINGS: Whole-body radiography revealed a mineralized egg of normal size and shape. However, no oviposition occurred, and the bird had no signs consistent with dystocia. After 7 days, repeated radiography revealed that the egg had rotated by approximately 180° along its short axis, leading to a diagnosis of ectopic egg retention, which was supported by the results of ultrasonography. TREATMENT AND OUTCOME: Surgical removal of the ectopic egg was performed by means of a ventral midline approach 14 days after administration of leuprolide acetate (800 μg/kg [364 μg/lb], IM). No intracoelomic abnormalities, such as coelomitis or oviductal disease, were diagnosed, and the bird recovered without complications. Physical examination and whole-body radiography at 8 months and a follow-up phone call with the owner at 16 months after surgical treatment revealed no evidence of ectopic egg recurrence or reproductive behavior. CLINICAL RELEVANCE: Clinical management of ectopic egg retention differs considerably from treatment of intraoviductal egg binding. Therefore, careful evaluation of avian patients with radiographic evidence of egg binding should be performed to avoid possible iatrogenic deterioration of the patient's condition, secondary to inappropriate treatment attempts such as hormonal induction of oviposition or attempts to remove the retained egg via the cloaca. Repeated radiography and ultrasonography and close monitoring of the patient's general condition as well as the lack of clinical signs consistent with dystocia will facilitate the diagnosis of ectopic egg retention.
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