Outbreak of Avian Mycobacteriosis in a Flock of Two-Year-Old Domestic Pigeons (Columba livia f. domestica)

This report describes an outbreak of avian mycobacteriosis in a flock of 100 two-yr-old pigeons. Over a 6-mo period, the sick pigeons showed cachexia followed by death. In Columbiformes classic tubercles rarely develop, but in these affected pigeons granulomatous nodular lesions of various sizes, co...

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Bibliographic Details
Published in:Avian diseases 2005-09, Vol.49 (3), p.442-445
Main Authors: Bougiouklis, P, Brellou, G, Fragkiadaki, E, Iordanidis, P, Vlemmas, I, Georgopoulou, I
Format: Article
Language:English
Subjects:
Aging
animal organs
Animals
Animals, Domestic
avian mycobacteriosis
avian tuberculosis
Bone Marrow - pathology
cachexia
Case Reports
Columba livia
Columbidae - microbiology
Columbiformes
disease diagnosis
disease outbreaks
Disease Outbreaks - veterinary
domestic pigeons
Female
histopathology
Infections
lesions (animal)
Liver
Liver - pathology
mortality
Mycobacterium avium
Mycobacterium avium - physiology
Mycobacterium avium Complex - genetics
Mycobacterium avium Complex - isolation & purification
Mycobacterium tuberculosis
outbreak
Ovaries
Ovary - pathology
Oviducts
Oviducts - pathology
pathogen identification
PCR
Pigeons
Polymerase chain reaction
Spleen
Tuberculosis, Avian - epidemiology
Wild birds
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Summary:This report describes an outbreak of avian mycobacteriosis in a flock of 100 two-yr-old pigeons. Over a 6-mo period, the sick pigeons showed cachexia followed by death. In Columbiformes classic tubercles rarely develop, but in these affected pigeons granulomatous nodular lesions of various sizes, containing numerous acid-fast bacilli, were found in the internal organs. The lesions were observed in the liver, spleen, intestine, bone marrow, ovary, and oviduct. Despite their breeding age, atrophy was also found in the ovary and oviduct. Microorganisms belonging to Mycobacterium avium complex were identified in the affected tissues by polymerase chain reaction.
ISSN:0005-2086
1938-4351
DOI:10.1637/7325-011005R.1