Fox defecation behaviour in relation to spatial distribution of voles in an urbanised area: An increasing risk of transmission of Echinococcus multilocularis?
Identifieur interne : 000427 ( Main/Exploration ); précédent : 000426; suivant : 000428Fox defecation behaviour in relation to spatial distribution of voles in an urbanised area: An increasing risk of transmission of Echinococcus multilocularis?
Auteurs : E. Robardet [France] ; P. Giraudoux [France] ; C. Caillot [France] ; D. Augot [France] ; F. Boue [France] ; J. Barrat [France]Source :
- International journal for parasitology [ 0020-7519 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Zone urbaine.
English descriptors
- KwdEn :
Abstract
Urbanisation of alveolar echinococcosis is a new phenomenon that has been highlighted during the last few decades. It has thus become necessary to understand the dynamics of transmission of Echinococcus multilocularis in urbanised areas. Spatial heterogeneity of infection by E. multilocularis has been explained as the result of a multifactorial dependence of the transmission in which the factors depend on the scale of the investigation. The aim of this study was to assess, in an urbanised area, the effect of such environmental factors as season, habitat type and the level of urbanisation, on the availability of two major intermediate hosts (Microtus spp. and Arvicola terrestris), the distribution of red fox faeces and the distribution of E. multilocularis as determined by detection of coproantigens in faeces. Results of the study revealed higher densities of Microtus spp. in rural than in peri-urban areas. Moreover this species was highly aggregated in urban wasteland. Arvicola terrestris densities did not appear to be linked to the level of urbanisation or to the type of habitat studied. Distribution of faeces was positively linked to distance walked and to Microtus spp. and A. terrestris distributions whatever the level of urbanisation. Such a distribution pattern could enhance the transmission cycle in urban areas. The Copro-ELISA test results on faeces collected in the field revealed that ODs were significantly negatively correlated with the abundance of A. terrestris. The larger population densities of Microtus spp. found in urban wastelands and the well known predominance of Microtus spp. in the red fox diet in the region suggest that Microtus spp. may play a key role in urban transmission of the parasite in the study area.
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Robardet</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>French Agency for Food, Environmental and Occupational Health and Safety (Anses), Nancy Laboratory for Rabies and Wildlife, Technopôle Agricole et Vétérinaire, BP 40009</s1><s2>54220 Malzéville</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region><settlement type="city">Malzéville</settlement></placeName></affiliation></author><author><name sortKey="Giraudoux, P" sort="Giraudoux, P" uniqKey="Giraudoux P" first="P." last="Giraudoux">P. Giraudoux</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Chrono-Environment - University of Franche-Comté, UMR CNRS 6249 usc INRA, Place Leclerc</s1><s2>25030 Besançon</s2><s3>FRA</s3><sZ>2 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Bourgogne-Franche-Comté</region><region type="old region" nuts="2">Franche-Comté</region><settlement type="city">Besançon</settlement></placeName></affiliation></author><author><name sortKey="Caillot, C" sort="Caillot, C" uniqKey="Caillot C" first="C." last="Caillot">C. Caillot</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>French Agency for Food, Environmental and Occupational Health and Safety (Anses), Nancy Laboratory for Rabies and Wildlife, Technopôle Agricole et Vétérinaire, BP 40009</s1><s2>54220 Malzéville</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region><settlement type="city">Malzéville</settlement></placeName></affiliation></author><author><name sortKey="Augot, D" sort="Augot, D" uniqKey="Augot D" first="D." last="Augot">D. 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Boue</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>French Agency for Food, Environmental and Occupational Health and Safety (Anses), Nancy Laboratory for Rabies and Wildlife, Technopôle Agricole et Vétérinaire, BP 40009</s1><s2>54220 Malzéville</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region><settlement type="city">Malzéville</settlement></placeName></affiliation></author><author><name sortKey="Barrat, J" sort="Barrat, J" uniqKey="Barrat J" first="J." last="Barrat">J. Barrat</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>French Agency for Food, Environmental and Occupational Health and Safety (Anses), Nancy Laboratory for Rabies and Wildlife, Technopôle Agricole et Vétérinaire, BP 40009</s1><s2>54220 Malzéville</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region><settlement type="city">Malzéville</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">International journal for parasitology</title><title level="j" type="abbreviated">Int. j. parasitol.</title><idno type="ISSN">0020-7519</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">International journal for parasitology</title><title level="j" type="abbreviated">Int. j. parasitol.</title><idno type="ISSN">0020-7519</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arvicola terrestris</term><term>Echinococcus multilocularis</term><term>Fox</term><term>Parasite</term><term>Spatial distribution</term><term>Transmission</term><term>Urban area</term><term>Vulpes vulpes</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Renard</term><term>Répartition spatiale</term><term>Transmission</term><term>Zone urbaine</term><term>Parasite</term><term>Echinococcus multilocularis</term><term>Vulpes vulpes</term><term>Arvicola terrestris</term><term>Microtus</term><term>Arvicolinae</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Zone urbaine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Urbanisation of alveolar echinococcosis is a new phenomenon that has been highlighted during the last few decades. It has thus become necessary to understand the dynamics of transmission of Echinococcus multilocularis in urbanised areas. Spatial heterogeneity of infection by E. multilocularis has been explained as the result of a multifactorial dependence of the transmission in which the factors depend on the scale of the investigation. The aim of this study was to assess, in an urbanised area, the effect of such environmental factors as season, habitat type and the level of urbanisation, on the availability of two major intermediate hosts (Microtus spp. and Arvicola terrestris), the distribution of red fox faeces and the distribution of E. multilocularis as determined by detection of coproantigens in faeces. Results of the study revealed higher densities of Microtus spp. in rural than in peri-urban areas. Moreover this species was highly aggregated in urban wasteland. Arvicola terrestris densities did not appear to be linked to the level of urbanisation or to the type of habitat studied. Distribution of faeces was positively linked to distance walked and to Microtus spp. and A. terrestris distributions whatever the level of urbanisation. Such a distribution pattern could enhance the transmission cycle in urban areas. The Copro-ELISA test results on faeces collected in the field revealed that ODs were significantly negatively correlated with the abundance of A. terrestris. The larger population densities of Microtus spp. found in urban wastelands and the well known predominance of Microtus spp. in the red fox diet in the region suggest that Microtus spp. may play a key role in urban transmission of the parasite in the study area.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Bourgogne-Franche-Comté</li><li>Franche-Comté</li><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Besançon</li><li>Malzéville</li></settlement></list><tree><country name="France"><region name="Grand Est"><name sortKey="Robardet, E" sort="Robardet, E" uniqKey="Robardet E" first="E." last="Robardet">E. Robardet</name></region><name sortKey="Augot, D" sort="Augot, D" uniqKey="Augot D" first="D." last="Augot">D. Augot</name><name sortKey="Barrat, J" sort="Barrat, J" uniqKey="Barrat J" first="J." last="Barrat">J. Barrat</name><name sortKey="Boue, F" sort="Boue, F" uniqKey="Boue F" first="F." last="Boue">F. Boue</name><name sortKey="Caillot, C" sort="Caillot, C" uniqKey="Caillot C" first="C." last="Caillot">C. Caillot</name><name sortKey="Giraudoux, P" sort="Giraudoux, P" uniqKey="Giraudoux P" first="P." last="Giraudoux">P. Giraudoux</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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