Managing canine vector-borne diseases of zoonotic concern: part one

Otranto, Domenico; Dantas‐Torres, Filipe; Breitschwerdt, Edward B.

doi:10.1016/j.pt.2009.01.003

Cited by 252 publications

(219 citation statements)

References 62 publications

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“…They can act as a reservoir of pathogens of zoonotic and veterinary importance (Otranto et al 2009b). Canine vector-borne diseases (CVBDs) are caused by parasites, bacteria or viruses transmitted by the bite of hematophagous arthropods (mainly ticks and mosquitoes).…”

Section: Introductionmentioning

confidence: 99%

Retrospective Analysis of Canine Vector-borne Diseases (CVBD) in Germany with Emphasis on the Endemicity and Risk Factors of Leishmaniosis

et al. 2017

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A cross-sectional study was designed to provide data on the detection of canine vector-borne diseases (CVBDs) with special emphasis on leishmaniosis in Germany. For this purpose, results of blood or serum samples sent by local veterinarians to a veterinary diagnostic laboratory were retrospectively analysed. Samples were examined for Leishmania spp., Babesia spp., Ehrlichia canis, Dirofilaria immitis and Anaplasma phagocytophilum during the years 2004-2006. Erythrocyte stages of large Babesia spp. or Babesia DNA were found in 1.7 % of 9,966 blood smears and 3.3 % of 15,555 samples examined by PCR, respectively. Large Babesia merozoites were found more frequently in Giemsastained smears from dogs born in Germany when compared to blood samples of dogs originating from south or south-east European countries. A total of 15 blood samples of German dogs which have never been abroad were positive for Babesia DNA. Antibodies titres (>= 80) against Babesia canis were detected by IFAT in 11.5 % of 2,653 serum samples. Out of 570 samples 3.2 % were positive for E. canis using PCR. Antibodies against E. canis and A. phagocytophilum (both at titres >= 50) were detected by indirect IFAT in 15.1 % and 41.9 % of 18,652 and 794 serum samples, respectively. Using Knott's test 4.5 % of 440 blood samples were positive for microfilariae, and Dirofilaria immitis antigen was found by ELISA in 1.4 % of S132 Ectopar asitEs 9,381 serum samples. Leishmania spp. DNA was detected in 11 % of 301 whole blood or tissue samples examined by PCR. Antibodies against Leishmania were found in 23.5 % (23,665 samples) and 22.7 % (54,103 samples) of blood samples by IFAT (titres >= 50) and ELISA (>= 7 test units), respectively (2004-2006 versus 2014-2016). Antibodies against Leishmania (IFAT) were detected in 80.6 % (399/495) of dogs imported from endemic areas, in 57.6 % (34/59) of German dogs travelling outside Germany and in 4 (n = 8) German dogs without any history of travelling. Potential endemicity of leishmaniosis in Southern Germany was prospectively evaluated. For some of these infectious agents, sex or age of dogs and season were identified as risk factors.

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Section: Introductionmentioning

confidence: 99%

Retrospective Analysis of Canine Vector-borne Diseases (CVBD) in Germany with Emphasis on the Endemicity and Risk Factors of Leishmaniosis

et al. 2017

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“…induzem resposta humoral específica, base para o diagnóstico sorológico (RIKIHISA, 1991), ocorrendo soroconversão nos animais logo após a infecção (OTRANTO et al, 2009). Dentre os testes sorológicos, a Imunofluorescência Indireta é utilizada no diagnóstico da erliquiose, sendo aplicável tanto para estudos de infecções experimentais quanto epidemiológicos.…”

Section: Introductionunclassified

Soroprevalência de anticorpos anti-Ehrlichia canis em cães de Cuiabá, Mato Grosso

Silva¹,

Almeida²,

Sorte³

et al. 2010

Rev. Bras. Parasitol. Vet. (Online)

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A erliquiose canina é uma doença transmitida por carrapatos Rhipicephalus sanguineus e ocasionada pela Ehrlichia canis, bactéria intracelular obrigatória. O presente estudo verificou a prevalência de anticorpos anti-E. canis em 254 cães de quatro regiões administrativas de Cuiabá, Estado de Mato Grosso, por imunofluorescência indireta, observando-se uma prevalência de 42,5% (108/254) sem diferença significativa entre as regiões. As variáveis idade, raça, sexo, hábitat, acesso à zona rural e presença de carrapatos foram analisadas. Os títulos de anticorpos variaram entre 1:40 a 1:2.560. Somente 32 (29,63%) cães soropositivos estavam infestados por carrapatos, todos R. sanguineus. O resultado encontrado confirma que não há predisposição racial, sexual ou etária, enquanto a menor ocorrência de cães reagentes no intradomicílio provavelmente está relacionada à baixa infestação por carrapato, apesar de não ter sido observada diferença significativa entre os cães com ou sem a infestação com o carrapato vetor.Palavras-chave: Ehrlichia canis, imunofluorescência indireta, Cuiabá, inquérito epidemiológico. AbstractCanine ehrlichiosis is a disease transmitted by ticks Rhipicephalus sanguineus and caused by Ehrlichia canis, obligatory intracellular bacteria. The present study examined the prevalence of anti-E. canis in 254 dogs from four administrative regions of Cuiabá, Mato Grosso, by indirect immunofluorescence assay. There was a prevalence of 42.5% (108/254) without significant difference between the studied regions. The variables age, breed, sex, habitat, access to rural and ticks were analyzed. The antibody titers ranged from 1:40 to 1:2,560. Only 32 (29.63%) seropositive dogs were infested with ticks, all R. sanguineus. The results confirm that do not have breed, sex or age predisposition to ehrlichiosis due E. canis, while the lowest occurrence of reactive dogs indoors probably related to low tick infestation, although no significant difference between dogs with or without infestation with the tick vector.

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“…Ehrlichia canis, a Gram-negative, obligate intracellular bacterium is the etiological agent of the disease and is transmitted to dogs by Rhipicephalus sanguineus (28). Infection may result in acute, subclinical, or chronic stages of the disease with a variety of clinical and laboratory symptoms.…”

Section: Praca Oryginalnamentioning

confidence: 99%

“…Dogs are reservoir hosts for a wide spectrum of vector-borne pathogens (9,28). Although dogs may be infected with a single pathogen, multiple vector-borne diseases can occur sequentially or simultaneously when dogs are exposed to vectors infected with different organisms (4).…”

Section: Praca Oryginalnamentioning

confidence: 99%

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Oxidative status and lipid profile in mono- and co-infection with canine monocytic ehrlichiosis

Gültekin

Ural

Paşa

et al. 2017

Medycyna Weterynaryjna

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SummaryVector-borne diseases in dogs are a major health problem of zoonotic importance. Canine monocytic ehrlichiosis (CME) is one of the most common vector-borne infections in dogs. Co-infections with vectorborne diseases are reported to cause more severe pathological effects than mono-infections. The current study investigates the effects of mono-and co-infections with CME on oxidative status and lipid profiles in dogs. Dogs with vector-borne diseases were divided into two groups, mono-infected (n = 22) and co-infected (n = 23) with CME, and compared to a healthy group (n = 20). Double and triple co-infections with other vector-borne diseases included A. phagocytophilum, L. infantum, and D. immitis. The serum lipid profile (high-density lipoprotein (HDL), low-density lipoprotein (LDL), cholesterol, and triglycerides) and the total and individual markers of oxidative status (total antioxidant capacity (TAC), total oxidant status (TOS), malondialdehyde (MDA), paraoxonase (PON-1), and arylesterase (ARE)) were evaluated. Significant decreases in PON-1 and ARE enzyme activities and HDL concentration, as well as increases in TOS level, MDA, LDL, and triglyceride concentrations were determined in both mono-and co-infected groups compared to the healthy control group. No significant differences between the groups were found in the TAC level or cholesterol concentration. In conclusion, alterations in lipid profile and increase in oxidative stress were observed in dogs with CME compared to the healthy control group, however, no significant differences were detected between mono-and co-infected dogs.

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Managing canine vector-borne diseases of zoonotic concern: part one

Cited by 252 publications

References 62 publications

Retrospective Analysis of Canine Vector-borne Diseases (CVBD) in Germany with Emphasis on the Endemicity and Risk Factors of Leishmaniosis

Retrospective Analysis of Canine Vector-borne Diseases (CVBD) in Germany with Emphasis on the Endemicity and Risk Factors of Leishmaniosis

Soroprevalência de anticorpos anti-Ehrlichia canis em cães de Cuiabá, Mato Grosso

Oxidative status and lipid profile in mono- and co-infection with canine monocytic ehrlichiosis

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