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Investigation of isolates from 3 outbreaks of European foulbrood disease in commercial beekeeping operations in western Canada. | LitMetric

Investigation of isolates from 3 outbreaks of European foulbrood disease in commercial beekeeping operations in western Canada.

Can Vet J

Department of Veterinary Pathology (Thebeau, Liebe, Kozii, Klein, Zabrodski, Moshynskyy, Sobchishin, Simko, Wood), and Department of Veterinary Microbiology (Masood), Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4; Ministry of Agriculture, Government of Saskatchewan, 141-800 Central Drive, Prince Albert, Saskatchewan S6V 6Z2 (Wilson); Agriculture and Agri-Food Canada, Beaverlodge, Alberta, T0H 0C0 (Guarna); British Columbia Blueberry Council, Abbotsford, British Columbia V2T 1W5 (Gerbrandt).

Published: September 2022

European foulbrood (EFB) disease is an economically important bacterial disease of honey bee larvae caused by enteric infection with . In this study, we investigated 3 clinical outbreaks of EFB disease in commercial beekeeping operations in western Canada in the summer of 2020 and characterized the isolates cultured from these outbreaks according to genetic multi-locus sequence type and larval pathogenicity. We isolated sequence type 19 from EFB outbreaks in British Columbia and Alberta, and a novel sequence type 36 from an EFB outbreak in Saskatchewan. larval infection with each isolate was associated with decreased larval survival by 58.3 to 70.8% ( < 0.001) compared to non-infected controls. Further elucidation of mechanisms of virulence of , paired with epidemiologic investigation, is imperative to improve EFB management strategies and mitigate risks of EFB outbreaks in western Canada.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9377190PMC

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