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Detection of the emerging amphibian pathogens Batrachochytrium dendrobatidis and ranavirus in Russia

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https://ir.library.oregonstate.edu/concern/articles/mw22v725h

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Abstract
  • In a population of the European common toad Bufo bufo from a rural pond in the region of Lake Glubokoe Regional Reserve in Moscow province, Russia, unexplained mass mortality events involving larvae and metamorphs have been observed over a monitoring period of >20 yr. We tested toads from this and a nearby site for the emerging amphibian pathogens Batrachochytrium dendrobatidis (Bd) and ranavirus (Rv). Both pathogens were detected, and at the rural pond site, with the above-noted losses and decline in toad breeding success, 40% of B. bufo metamorphs were Bd positive, 46% were Rv positive and 20% were co-infected with both pathogens. Toad metamorphs from a neighbouring water body were also Bd and Rv positive (25 and 55%, respectively). This is the first confirmation of these pathogens in Russia. Questions remain as to the origins of these pathogens in Russia and their roles in documented mass mortality events.
  • Keywords: Amphibians, Chytridiomycosis, Population fluctuations, European common toad
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  • Reshetnikov, A. N., Chestnut, T., Brunner, J. L., Charles, K., Nebergall, E. E., & Olson, D. H. (2014). Detection of the emerging amphibian pathogens Batrachochytrium dendrobatidis and ranavirus in Russia. Diseases of Aquatic Organisms, 110(3), 235-240. doi:10.3354/dao02757
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  • 110
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  • 3
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  • Support was provided by the US ForestService–Pacific Northwest Research Station and the USGeological Survey Amphibian Research and MonitoringInitiative (ARMI). This manuscript is ARMI ContributionNo. 473.
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