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Detection of Chlamydiaceae in Swiss wild birds sampled at a bird rehabilitation centre


Stalder, Sandro; Marti, Hanna; Borel, Nicole; Mattmann, Prisca; Vogler, Barbara; Wolfrum, Nina; Albini, Sarah (2020). Detection of Chlamydiaceae in Swiss wild birds sampled at a bird rehabilitation centre. Veterinary record open, 7(1):e000437.

Abstract

Background: Annually, 800-1500 wild birds are admitted to the rehabilitation centre of the Swiss Ornithological Institute, Sempach, Lucerne, Switzerland. The workers of the centre come in close contact with the avian patients and might therefore be exposed to zoonotic agents shed by these birds, such as Chlamydia psittaci.
Methods: In the present study, 91 choanal, 91 cloacal and 267 faecal swabs from 339 wild birds of 42 species were investigated using a stepwise diagnostic approach.
Results: Chlamydiaceae were detected in 0.9 per cent (0.3-2.6 per cent) of birds (n=3), all of them members of the Columbidae family. The Chlamydiaceae species of two of these birds (one Eurasian collared dove, one fancy pigeon) were identified as C psittaci types B and E by PCR and outer membrane protein A genotyping.
Conclusion: The findings of the current study suggest that zoonotic transmission of Chlamydiaceae is very unlikely for songbird and waterfowl species tested herein, while pigeons might pose a risk to workers at rehabilitation centres.

Abstract

Background: Annually, 800-1500 wild birds are admitted to the rehabilitation centre of the Swiss Ornithological Institute, Sempach, Lucerne, Switzerland. The workers of the centre come in close contact with the avian patients and might therefore be exposed to zoonotic agents shed by these birds, such as Chlamydia psittaci.
Methods: In the present study, 91 choanal, 91 cloacal and 267 faecal swabs from 339 wild birds of 42 species were investigated using a stepwise diagnostic approach.
Results: Chlamydiaceae were detected in 0.9 per cent (0.3-2.6 per cent) of birds (n=3), all of them members of the Columbidae family. The Chlamydiaceae species of two of these birds (one Eurasian collared dove, one fancy pigeon) were identified as C psittaci types B and E by PCR and outer membrane protein A genotyping.
Conclusion: The findings of the current study suggest that zoonotic transmission of Chlamydiaceae is very unlikely for songbird and waterfowl species tested herein, while pigeons might pose a risk to workers at rehabilitation centres.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Food Safety and Hygiene
05 Vetsuisse Faculty > Institute of Veterinary Pathology
Dewey Decimal Classification:570 Life sciences; biology
Scopus Subject Areas:Health Sciences > General Veterinary
Uncontrolled Keywords:Chlamydia psittaci; Chlamydiaceae; Switzerland; bird rehabilitation centre; wild birds
Language:English
Date:1 November 2020
Deposited On:15 Jan 2021 16:57
Last Modified:16 Jan 2021 21:01
Publisher:BMJ Open
ISSN:2052-6113
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1136/vetreco-2020-000437

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