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Title
Canine distemper virus as a threat to wild tigers in Russia and across their range
Author(s)
Gilbert, M.;Soutirina, S.;Seryodkin, I.;Sulikhan, N.;Uphyrkina, O.V.;Goncharuk, M.;Matthews, L.;Cleaveland, S.;Miquelle, D.G.
Published
2015
Publisher
Integrative Zoology
Published Version DOI
https://doi.org/10.1111/1749-4877.12137
Abstract
Canine distemper virus (CDV) has recently been identified in populations of wild tigers in Russia and India. Tiger populations are generally too small to maintain CDV for long periods, but are at risk of infections arising from more abundant susceptible hosts that constitute a reservoir of infection. Because CDV is an additive mortality factor, it could represent a significant threat to small, isolated tiger populations. In Russia, CDV was associated with the deaths of tigers in 2004 and in 2010, and was coincident with a localized decline of tigers in Sikhote-Alin Zapovednik, (from 25 tigers in 2008 to nine in 2012). Habitat continuity with surrounding areas likely played an important role in promoting an on-going recovery. We recommend steps be taken to assess the presence and the impact of CDV in all tiger range states, but should not detract focus away from the primary threats to tigers, which include habitat loss and fragmentation, poaching and retaliatory killing. Research priorities include: 1) recognition and diagnosis of clinical cases of CDV in tigers when they occur, and 2) collection of baseline data on the health of wild tigers. CDV infection of individual tigers need not imply a conservation threat, and modeling should complement disease surveillance and targeted research to assess the potential impact to tiger populations across the range of ecosystems, population densities and climate extremes occupied by tigers. Describing the role of domestic and wild carnivores as contributors to a local CDV reservoir is an important precursor to considering control measures. This article is protected by copyright. All rights reserved
Keywords
Canine distemper virus;Panthera tigris altaica;population decline;conservation threat;extinction
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PUB15502