Detection of Anaplasma spp. and Ehrlichia spp. in dogs from a veterinary teaching hospital in Italy : a retrospective study 2012-2020
© 2024. The Author(s)..
Anaplasma phagocytophilum, Anaplasma platys and Ehrlichia canis, responsible of diseases in dogs, are tick-borne pathogens with a proven or potential zoonotic role that have shown increasing prevalence worldwide. The aims of this retrospective study were to assess the frequency of Anaplasma spp. and Ehrlichia spp. exposure in dogs tested in a veterinary teaching hospital in Italy over a 9-year period, to compare the performance of the diagnostic tests used, to evaluate correlations with clinical data, and to genetically analyse the identified bacteria. During the study period, 1322 dogs tested by at least one of the rapid immunoenzymatic test, indirect immunofluorescent antibody test or end-point PCR assay for Anaplasmataceae detection were included. Dogs were tested if they had clinical signs or clinicopathological alteration or risk factors related to infection, and if they were potential blood-donor animals. Ninety-four of 1322 (7.1%) dogs tested positive for at least one pathogen: 53 (4.3%) for A. phagocytophilum, one (0.1%) for A. platys and 63 (4.6%) for E. canis. The number of dogs tested increased and the positivity rate progressively declined over the years. Comparison of tests showed a near-perfect agreement between serological tests and a poor agreement between PCR and indirect assays. A breed predisposition has been highlighted for A. phagocytophilum infection in hunting breed dogs and for E. canis infection in mixed breed dogs. Phylogeny confirmed potential zoonotic implications for A. phagocytophilum and showed no correlation of the identified bacteria with the geographical origin. Our study provides new insights into possible risk factors in dogs and evidenced discordant results between different tests, suggesting that a combination of serological and molecular assays is preferable for a correct diagnosis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Veterinary research communications - (2024) vom: 27. März |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Facile, Veronica [VerfasserIn] |
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| Links: |
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| Themen: |
Diagnosis |
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| Anmerkungen: |
Date Revised 27.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1007/s11259-024-10358-4 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370260635 |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a Anaplasma phagocytophilum, Anaplasma platys and Ehrlichia canis, responsible of diseases in dogs, are tick-borne pathogens with a proven or potential zoonotic role that have shown increasing prevalence worldwide. The aims of this retrospective study were to assess the frequency of Anaplasma spp. and Ehrlichia spp. exposure in dogs tested in a veterinary teaching hospital in Italy over a 9-year period, to compare the performance of the diagnostic tests used, to evaluate correlations with clinical data, and to genetically analyse the identified bacteria. During the study period, 1322 dogs tested by at least one of the rapid immunoenzymatic test, indirect immunofluorescent antibody test or end-point PCR assay for Anaplasmataceae detection were included. Dogs were tested if they had clinical signs or clinicopathological alteration or risk factors related to infection, and if they were potential blood-donor animals. Ninety-four of 1322 (7.1%) dogs tested positive for at least one pathogen: 53 (4.3%) for A. phagocytophilum, one (0.1%) for A. platys and 63 (4.6%) for E. canis. The number of dogs tested increased and the positivity rate progressively declined over the years. Comparison of tests showed a near-perfect agreement between serological tests and a poor agreement between PCR and indirect assays. A breed predisposition has been highlighted for A. phagocytophilum infection in hunting breed dogs and for E. canis infection in mixed breed dogs. Phylogeny confirmed potential zoonotic implications for A. phagocytophilum and showed no correlation of the identified bacteria with the geographical origin. Our study provides new insights into possible risk factors in dogs and evidenced discordant results between different tests, suggesting that a combination of serological and molecular assays is preferable for a correct diagnosis | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Diagnosis | |
| 650 | 4 | |a PCR | |
| 650 | 4 | |a Phylogeny | |
| 650 | 4 | |a Serological tests | |
| 650 | 4 | |a Tick-borne pathogen | |
| 700 | 1 | |a Sabetti, Maria Chiara |e verfasserin |4 aut | |
| 700 | 1 | |a Balboni, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a Urbani, Lorenza |e verfasserin |4 aut | |
| 700 | 1 | |a Tirolo, Alessandro |e verfasserin |4 aut | |
| 700 | 1 | |a Magliocca, Martina |e verfasserin |4 aut | |
| 700 | 1 | |a Lunetta, Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Dondi, Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Battilani, Mara |e verfasserin |4 aut | |
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