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Seroprevalence and hematological abnormalities associated with Ehrlichia canis in dogs referred to a veterinary teaching hospital in central-western Brazil

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Title: Seroprevalence and hematological abnormalities associated with Ehrlichia canis in dogs referred to a veterinary teaching hospital in central-western Brazil
Authors: Warley Vieira de Freitas Paula, Ísis Indaiara Gonçalves Granjeiro Taques, Vanessa Carvalho Miranda, Ana Laura Gonçalves Barreto, Luiza Gabriella Ferreira de Paula, Danieli Brolo Martins, Adilson Donizeti Damasceno, Sebastián Muñoz-Leal, Anaiá da Paixão Sevá, Filipe Dantas-Torres, Daniel Moura de Aguiar, Felipe da Silva Krawczak
Source: Ciência Rural, Vol 52, Iss 2 (2021)
Publisher Information: Universidade Federal de Santa Maria, 2021.
Publication Year: 2021
Collection: LCC:Agriculture
LCC:Agriculture (General)
Subject Terms: ehrlichiosis, epidemiology, indirect immunofluorescence assay, tick-borne diseases, clinical pathology, Goiás state, Agriculture, Agriculture (General), S1-972
More Details: ABSTRACT: Ticks are significant parasites of dogs in the tropics, where tick-borne pathogens are highly prevalent, especially in areas where tick control measures are frequently neglected. This study investigated the seroprevalence and hematological abnormalities associated with Ehrlichia canis in dogs referred to a veterinary teaching hospital in Central-western Brazil. Out of 264 dogs tested for anti-Ehrlichia canis antibodies by an indirect immunofluorescence assay (IFA), 59.1% (156/264) were positive. Seropositivity was significantly associated to anemia and thrombocytopenia, alone or in combination, and to leukopenia. Conversely, there were no differences in terms of seroprevalence according to sex, breed and age. This study demonstrated that dogs referred to a veterinary teaching hospital in Central-western Brazil are highly exposed to E. canis and that seropositive dogs are more likely to present hematological abnormalities, particularly anemia, thrombocytopenia and leukopenia. To our knowledge, this is the first study on detection of anti-E. canis antibodies by means of IFA among dogs in the state of Goiás. These findings highlighted the need for increasing awareness among dog owners regarding tick control measures in Central-western Brazil, ultimately to reduce the risk of exposure to E. canis and other tick-borne pathogens.
Document Type: article
File Description: electronic resource
Language: English
Portuguese
ISSN: 1678-4596
0103-8478
Relation: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782022000200501&tlng=en; https://doaj.org/toc/1678-4596
DOI: 10.1590/0103-8478cr20201131
Access URL: https://doaj.org/article/09a77c5b59d14245a42a893e346957b7
Accession Number: edsdoj.09a77c5b59d14245a42a893e346957b7
Database: Directory of Open Access Journals
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  Data: Seroprevalence and hematological abnormalities associated with Ehrlichia canis in dogs referred to a veterinary teaching hospital in central-western Brazil
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  Data: Ciência Rural, Vol 52, Iss 2 (2021)
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  Data: ABSTRACT: Ticks are significant parasites of dogs in the tropics, where tick-borne pathogens are highly prevalent, especially in areas where tick control measures are frequently neglected. This study investigated the seroprevalence and hematological abnormalities associated with Ehrlichia canis in dogs referred to a veterinary teaching hospital in Central-western Brazil. Out of 264 dogs tested for anti-Ehrlichia canis antibodies by an indirect immunofluorescence assay (IFA), 59.1% (156/264) were positive. Seropositivity was significantly associated to anemia and thrombocytopenia, alone or in combination, and to leukopenia. Conversely, there were no differences in terms of seroprevalence according to sex, breed and age. This study demonstrated that dogs referred to a veterinary teaching hospital in Central-western Brazil are highly exposed to E. canis and that seropositive dogs are more likely to present hematological abnormalities, particularly anemia, thrombocytopenia and leukopenia. To our knowledge, this is the first study on detection of anti-E. canis antibodies by means of IFA among dogs in the state of Goiás. These findings highlighted the need for increasing awareness among dog owners regarding tick control measures in Central-western Brazil, ultimately to reduce the risk of exposure to E. canis and other tick-borne pathogens.
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      – Text: Portuguese
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      – SubjectFull: ehrlichiosis
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