Clinical and Pathological Aspects of Inclusion body Disease (Herpesvirus Infection) of Falcons (IBDF)

  • David L. Graham
  • C. John Maré


Inclusion body disease of falcons (IBDF) has been diagnosed in 4 species of falcons (Falco mexicanus, F. rusticolus, F. peregrinus, and F. chiquera). The etiological agent, a herpesvirus, has been grown in avian cell culture and used to experimentally reproduce the disease in kestrels (F. sparverius), a merlin (F. columbarius), and a prairie falcon (F. mexicanus). The clinical course of the disease is 1 to 4 days in duration, is character-ized by weakness, depression, terminal leukocytopenia, and, in some cases, by anorexia, weight loss, and diarrhea. Gross lesions are pale tan foci in the liver, spleen, bone marrow, and intestinal wall. Histologically the lesions are characterized by degeneration and necrosis with intranuclear inclusion body formation.


Field Case Inclusion Body Formation Herpesvirus Infection Peregrine Falcon Adrenal Cortical Cell 
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Die Einschlusskörperchen-Erkrankung bei Falken ist bei vier Falkenspecies diagnostiziert worden (Falco mexicanus, F. rusticolus, F. peregrinus und F. chiquera). Das ätiologische Agens, ein Herpesvirus, läßt sich in aviären Zellkulturen züchten und wurde zur experimentellen Reproduktion der Erkrankung bei amerikanischen Buntfelken (F. sparverius) einem Zwergfalken (F. columbarius) und einem Präriefalken (F. mexicanus) verwendet. Die klinische Erkrankung dauert 1 bis 4 Tage und ist charakterisiert durch Schwäche, Depression, Leukozytopenie und in einigen Fällen durch Anorexie, Gewichtsverlust and Diarrhoe. Makroscopische Läsionen sind blass-braune Foci in Leber, Milz, Knochenmark und Darmwand. Histologisch sind die Läsionen charakterisiert durch Degeneration und Nekrosen mit nukleärer Einschlusskörperbildung.


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Copyright information

© Springer Science+Business Media New York 1976

Authors and Affiliations

  • David L. Graham
    • 1
  • C. John Maré
    • 1
  1. 1.College of Veterinary MedicineIowa State UniversityAmesUSA

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