Disseminated mycobacteriosis in a bald eagle (Haliaeetus leucocephalus)

J. Jill Heatley, Mark M. Mitchell, Alma Roy, Doo Youn Cho, Diana L. Williams, Thomas N. Tully

Research output: Contribution to journalArticlepeer-review


A mature bald eagle (Haliaeetus leucocephalus) was diagnosed with mycobacterial infection after being presented for an inability to fly, emaciation, and a swelling of the left tibiotarsal-tarso metatarsal joint. Results of a complete blood cell count revealed a persistent, marked leukocytosis, with heterophilia, monocytosis, and anemia. Radiographs revealed lysis of the left distal tibiotarsus and soft-tissue swelling around the left tibiotarsal-tarsometatarsal joint, multiple pulmonary opacities, and an enlarged liver. Endoscopic evaluation and biopsy of caseated material within the left caudal coelom revealed acid-fast organisms. The eagle was euthanatized, and results of necropsy and histologic evaluation revealed caseated granulomas of the intestine, lungs, air sacs, and subcutaneous regions of the hock. Results of culture, a polymerase chain reaction testing, and direct deoxyribonucleic acid (DNA) sequencing for mycobacterial 16S ribosomal ribonucleic acid DNA determined this organism most likely to be Mycobacterium avium.

Original languageEnglish (US)
Pages (from-to)201-209
Number of pages9
JournalJournal of avian medicine and surgery
Issue number3
StatePublished - Sep 2007


  • Avian
  • Bald eagle
  • Haliaeetus leucocephalus
  • Mycobacteriosis
  • Mycobacterium avium
  • Raptor

ASJC Scopus subject areas

  • Small Animals


Dive into the research topics of 'Disseminated mycobacteriosis in a bald eagle (Haliaeetus leucocephalus)'. Together they form a unique fingerprint.

Cite this