Frequency of antibodies against Neospora caninum in stray and domiciled dogs from urban, periurban and rural areas from Paraná State, Southern Brazil

Fridlund-Plugge, Nicolle; Montiani‐Ferreira, Fabiano; Richartz, R. R. T. B.; Pizzol, Juliano Dal; Machado, Pedro Celso; Patrício, Lia F.L.; Rosinelli, Adriana S.; Locatelli-Dittrich, Rosângela

doi:10.1590/s1984-29612008000400010

Cited by 12 publications

(10 citation statements)

References 21 publications

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“…This result was similar to the findings from other studies conducted in Bahia and Paraná, which also did not find differences between owned and stray dogs (JESUS et al, 2006;FRIDLUND-PLUGGE et al, 2008). However, there have been reports of lower seroprevalence of N. caninum among owned dogs (AZEVEDO et al, 2005) and greater chances of infection among street dogs (GENNARI et al, 2002).…”

Section: Discussionsupporting

confidence: 90%

“…Antibodies against N. caninum have also been observed in dogs without neurological signs. Hence, simply the presence of antibodies does not indicate clinical neosporosis (AZEVEDO et al, 2005;VÁCLAVEK et al, 2007;FRIDLUND-PLUGGE et al, 2008). On the other hand, in cases of seronegative dogs or dogs with small titers, neosporosis should not be ruled out.…”

Section: Discussionmentioning

confidence: 99%

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Occurrence of antibodies against Neospora caninum and/or Toxoplasma gondii in dogs with neurological signs

Plugge

Montiani‐Ferreira

Richartz

et al. 2011

Rev. Bras. Parasitol. Vet.

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This study aimed to evaluate occurrences of antibodies against Neospora caninum and Toxoplasma gondii in dogs with neurological signs. Blood samples from 147 dogs were collected: 127 from owned dogs (attended at the Veterinary Teaching Hospital of the Federal University of Paraná (HV-UFPR) and at private veterinary clinics in the city of Curitiba), and 20 from stray dogs found in Curitiba's metropolitan region. The dogs presented one or more of the following neurological signs: seizures, paresis or paralysis, ataxia, behavioral abnormalities, sensory and somatic disorders and chorioretinitis. The samples were analyzed by means of the indirect fluorescent antibody test (IFAT), at a cutoff dilution of 1:50. Out of the 147 samples obtained, 17 (11.56%) were seropositive for N. caninum, 31 (21.08%) for T. gondii and four (2.72%) for both protozoa. Serum titration on the positive animals showed that 54.83% (17/31) and 41.18% (7/17) had titers > 1:200 against T. gondii and N. caninum, respectively. A significant difference in seropositivity for T. gondii (P = 0.021; OR = 2.87; CI = 1.1 > 2.8 > 7.4) was observed between owned dogs (18.11%) and stray dogs (40%). Inclusion of serological tests for neosporosis and toxoplasmosis is recommended in diagnosing neurological diseases in dogs.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Occurrence of antibodies against Neospora caninum and/or Toxoplasma gondii in dogs with neurological signs

Plugge

Montiani‐Ferreira

Richartz

et al. 2011

Rev. Bras. Parasitol. Vet.

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“…For dogs living in stray situation in Brazil, as neighborhood dogs, the seroprevalence for Leishmania spp. have been ranging from 0.0027% to 32.5% (FREHSE et al, 2010;SEABRA et al, 2015;TRONCARELLI et al, 2009;VALADAS et al, 2010), for T. gondii from 31.6% to 68.4% (MEIRELES et al, 2004;SEABRA et al, 2015;SOUZA et al, 2003;VALADAS et al, 2010), for T. cruzi from 2.0% to 4.0% (MORAIS et al, 2013;TRONCARELLI et al, 2009) and for N. caninum from 3.2% to 22.1% (FRIDLUND-PLUGGE et al, 2008;SEABRA et al, 2015;SOUSA et al, 2012;VALADAS et al, 2010).…”

Section: Introductionmentioning

confidence: 98%

Serosurvey for Leishmania spp., Toxoplasma gondii, Trypanosoma cruzi and Neospora caninum in neighborhood dogs in Curitiba-Paraná, Brazil

Constantino

Pellizzaro

Paula

et al. 2016

Rev. Bras. Parasitol. Vet.

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Neighborhood dogs may act as reservoirs for several zoonotic protozoan infections, particularly in urban areas, thus constituting a potential public health threat. Accordingly, the aim of the present study was to evaluate the exposure of neighborhood dogs to four protozoan pathogens in public areas with high levels of human movement in Curitiba, southern Brazil. Blood samples from 26 neighborhood dogs were screened by means of the indirect immunofluorescent antibody test (IFAT) for Leishmania spp., Toxoplasma gondii, Trypanosoma cruzi and Neospora caninum, and a questionnaire was answered by the respective keeper. A total of 8/26 dogs (30.7%) seroreactive to T. gondii, 3/26 (11.5%) to N. caninum and 2/26 (7.7%) to both were identified. All the samples were seronegative for T. cruzi and Leishmania spp. Pathogen seroreactivity was not associated with the daily human movements or other epidemiological variables investigated (p > 0.05). In conclusion, the low seroprevalence for T. gondii and N. caninum indicated low environmental and food risk for animal infection and the seronegativity for Leishmania spp. and T. cruzi may reflect the absence of these pathogens in urban areas of Curitiba. Moreover, neighborhood dogs may be used as environmental sentinels for the presence of protozoan pathogens and their vectors.

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“…Previous studies have demonstrated a wide prevalence of antibodies against both parasites in several locations of Brazil, usually up to 10.0% (Cañón-Franco et al , 2003; Meireles et al , 2004; Andreotti et al , 2006; Collantes-Fernández et al , 2008; Figueredo et al , 2008; Fridlund-Plugge et al , 2008; Locatelli-Dittrich et al , 2008; Benetti et al , 2009; Guimarães et al , 2009; Silva et al , 2010; Valadas et al , 2010). In most of these studies the prevalence for T. gondii antibodies are higher than for N. caninum , indicating a higher exposure of dogs by this parasite.…”

mentioning

confidence: 98%

Prevalence of antibodies against Toxoplasma gondii and Neospora caninum in dogs

Langoni¹,

Fornazari²,

Silva³

et al. 2013

Braz. J. Microbiol.

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Toxoplasmosis and neosporosis are parasitic diseases of global importance. The present study had the objective to determine the influence of age, sex and breed in the prevalence of antibodies against both diseases in dogs from Brotas city, São Paulo State, Brazil. Blood samples of 342 dogs were collected, and the age, sex and breed of each animal were recorded. The serological diagnosis for toxoplasmosis and neosporosis were performed using the immunofluorescent antibody test (IFAT). The Fischer’s test was used to calculate the association probability of the variables, with α = 5%. For toxoplasmosis the prevalence of antibodies was 26.9% (CI 95% 22.4–31.8%), and for neosporosis 4.97% (CI 95% 3.1–7.8%). The statistical analysis revealed a higher risk of infection for T. gondii in dogs with more than five years.

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Frequency of antibodies against Neospora caninum in stray and domiciled dogs from urban, periurban and rural areas from Paraná State, Southern Brazil

Cited by 12 publications

References 21 publications

Occurrence of antibodies against Neospora caninum and/or Toxoplasma gondii in dogs with neurological signs

Occurrence of antibodies against Neospora caninum and/or Toxoplasma gondii in dogs with neurological signs

Serosurvey for Leishmania spp., Toxoplasma gondii, Trypanosoma cruzi and Neospora caninum in neighborhood dogs in Curitiba-Paraná, Brazil

Prevalence of antibodies against Toxoplasma gondii and Neospora caninum in dogs

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