Use of GnRH-agonists for Medical Management of Reproductive Disorders in Birds  Christoph Mans, Dr. med. vet., Anthony Pilny, DVM, Dipl ABVP (Avian)  Veterinary Clinics: Exotic Animal Practice  Volume 17, Issue 1, Pages 23-33 (January 2014) DOI: 10.1016/j.cvex.2013.10.001 Copyright © 2014 Elsevier Inc. Terms and Conditions

Fig. 1 Coelomic distension and body wall herniation in a female cockatiel (A) and female budgerigar (B) due to coelomic effusion secondary to ovarian pathology. Veterinary Clinics: Exotic Animal Practice 2014 17, 23-33DOI: (10.1016/j.cvex.2013.10.001) Copyright © 2014 Elsevier Inc. Terms and Conditions

Fig. 2 Brown discoloration of the cere in a male budgerigar, which was diagnosed with a Sertoli cell tumor. Veterinary Clinics: Exotic Animal Practice 2014 17, 23-33DOI: (10.1016/j.cvex.2013.10.001) Copyright © 2014 Elsevier Inc. Terms and Conditions

Fig. 3 Sertoli cell tumor in a budgerigar. (A, B) Ventrodorsal and lateral survey radiograph showing increased soft tissue opacity in the coelom and hyperostosis of all bones and an increased distance between the pubic bones, secondary to hyperestrogenism. (C) Coelomic ultrasound identifying a left-sided intracoelomic mass. (D) Postmortem examination revealing a large gonadal mass (arrow), later confirmed as a Sertoli cell tumor. Note the severely enlarged vent opening, secondary to hyperestrogenism. Veterinary Clinics: Exotic Animal Practice 2014 17, 23-33DOI: (10.1016/j.cvex.2013.10.001) Copyright © 2014 Elsevier Inc. Terms and Conditions

Fig. 4 (A) Subcutaneous administration of a deslorelin acetate implant in the area over the shoulders in a sedated green-winged macaw (Ara chloropterus). (B) Subcutaneously implanted deslorelin acetate implant (arrow) in an Umbrella cockatoo (Cacatua alba). The administration needle and syringe are shown. Veterinary Clinics: Exotic Animal Practice 2014 17, 23-33DOI: (10.1016/j.cvex.2013.10.001) Copyright © 2014 Elsevier Inc. Terms and Conditions