French Polar Institute Literature Database
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Author
Audrey Jaeger, Amandine Gamble, Erwan Lagadec, Camille Lebarbenchon, Vincent Bourret, Jérémy Tornos, Christophe Barbraud, Karin Lemberger, Karine Delord, Henri Weimerskirch, Jean-Baptiste Thiebot, Thierry Boulinier, Pablo Tortosa
Title
Impact of Annual Bacterial Epizootics on Albatross Population on a Remote Island
Type
Journal
Year
2020
Publication
EcoHealth
Abbreviated Journal
Volume
17
Issue
2
Pages
194-202
Keywords
Abstract
The reduced species richness typical of oceanic islands provides an interesting environmental setup to examine in natura the epidemiological dynamics of infectious agents with potential implications for public health and/or conservation. On Amsterdam Island (Indian Ocean), recurrent die-offs of Indian yellow-nosed albatross (Thalassarche carteri) nestlings have been attributed to avian cholera, caused by the bacterium Pasteurella multocida. In order to help implementing efficient measures for the control of this disease, it is critical to better understand the local epidemiology of P. multocida and to examine its inter- and intra-annual infection dynamics. We evaluated the infection status of 264 yellow-nosed albatrosses over four successive breeding seasons using a real-time PCR targeting P. multocida DNA from cloacal swabs. Infection prevalence patterns revealed an intense circulation of P. multocida throughout the survey, with a steady but variable increase in infection prevalence within each breeding season. These epizootics were associated with massive nestling dies-offs, inducing very low fledging successes (≤ 20%). These results suggest important variations in the transmission dynamics of this pathogen. These findings and the developed PCR protocol have direct applications to guide future research and refine conservation plans aiming at controlling the disease.
Programme
109, 1151
Campaign
Address
Corporate Author
Thesis
Bachelor's thesis
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Place of Publication
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Language
Summary Language
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Series Editor
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Series Volume
Series Issue
Edition
ISSN
1612-9210
ISBN
Medium
Area
Expedition
Conference
Notes
Approved
yes
Call Number
Serial
7961
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