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1 Intracellular Pathogens Research Laboratory, Center for Comparative Medicine and Translational Research, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough Street, Raleigh, North Carolina 27606, USA
2 Animal Health Center, British Columbia Ministry of Fisheries and Food, 1767 Angus Campbell Road, Abbotsford, British Columbia V3G 2M3, Canada
3 Central Laboratory for Veterinarians, Langley Ltd, 5645 199th Street, British Columbia V3A 1H9, Canada
4 Vancouver Aquarium Marine Science Center, PO Box 3232, Vancouver, British Columbia V6B 3X8, Canada
5 Canada West Veterinary Specialists and Critical Care Hospital, 1988 Kootenay Street, Vancouver, British Columbia V5M 4Y3, Canada
6 Department of Fisheries and Oceans Canada, Central and Arctic Region, 501 University Cresent, Winnipeg, Manitoba R3T 2N6, Canada
7 Corresponding author (email: ed_breitschwerdt{at}ncsu.edu)
ABSTRACT:
Previously, we reported the isolation of Bartonella henselae from the blood of harbor porpoises (Phocoena phocoena) and loggerhead sea turtles (Caretta caretta) from the North Carolina coast. Hematologic, pathologic, and microbiologic findings surrounding the death of a juvenile captive beluga in Vancouver initiated an outbreak investigation designed to define the molecular prevalence of Bartonella infection in belugas. Using polymerase chain reaction analyses targeting the intergenic spacer region (ITS), two B. henselae ITS strains were identified in 78% of captive and free-ranging hunter-harvested belugas. These findings may have public health implications and may influence aquarium management procedures for captive marine mammals.
Key words: Bartonella, beluga, captive, Delphinapterus leucas, free-ranging.
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