{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T08:51:39Z","timestamp":1782463899496,"version":"3.54.5"},"reference-count":18,"publisher":"Wiley","issue":"18","license":[{"start":{"date-parts":[[1998,10,31]],"date-time":"1998-10-31T00:00:00Z","timestamp":909792000000},"content-version":"vor","delay-in-days":30,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Record"],"published-print":{"date-parts":[[1998,10]]},"abstract":"<jats:p>Clinical examination of 2192 psittacine birds of both sexes revealed a prevalence of 2.74 per cent (60 birds) of egg\u2010binding. Domesticated species easily bred in captivity were the most commonly affected; the prevalence in cockatiels (15.75 per cent), and in budgerigars (5.73 per cent). An accurate diagnosis was possible in all cases by means of an evaluation of the case history, a visual examination, palpation and radiographic and ultrasonographic examinations. The case history alone was typical in 60 per cent of the cases, and reliable diagnosis was reached with the help of a visual examination in 70 per cent of the cases. Radiographic examination provided a definitive diagnosis in 30 per cent of the cases, especially in those with shelled eggs. Medullary bone proved to be a radio\u2010graphic indication of laminated and thin\u2010shelled eggs. However, laminated and thin\u2010shelled eggs could only be differentiated definitively from abdominal masses, salpingitis and cystic degeneration by means of ultrasonography.<\/jats:p>","DOI":"10.1136\/vr.143.18.498","type":"journal-article","created":{"date-parts":[[2010,10,4]],"date-time":"2010-10-04T23:03:59Z","timestamp":1286233439000},"page":"498-502","source":"Crossref","is-referenced-by-count":6,"title":["Observations on the significance of diagnostic findings in egg\u2010binding of Psittaciformes"],"prefix":"10.1002","volume":"143","author":[{"given":"M\u2010E.","family":"Krautwald\u2010Junghanns","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Gefl\u00fcigelkrankheiten der Justus\u2010Liebig\u2010Universit\u00e4t Gie\u03b2en Frankfurter Strasse 91 35392 Gie\u03b2en Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V. 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