scholarly journals INFECÇÃO POR Toxoplasma gondii, Neospora caninum, Leishmania major E Trypanosoma cruzi EM CÃES DO ESTADO DO PARÁ

2019 ◽  
Vol 20 ◽  
Author(s):  
Giselle Souza da Paz ◽  
Bruna da Silva Colhado ◽  
Mariane Martinez Anton ◽  
Katarine de Souza Rocha ◽  
Daniela Barbosa da Silva ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Trypanosoma Cruzi ◽  
Leishmania Major ◽  
Neospora Caninum ◽  
Leishmania Spp

Resumo Realizou-se inquérito sorológico para Toxoplasma gondii, Neospora caninum, Leishmania spp. e Trypanosoma cruzi em cães dos municípios de Castanhal e Belém, no Estado do Pará, e estudou-se a associação entre os animais sororeagentes e fatores como sexo, idade, acesso a rua e procedência dos animais. Foram utilizados 269 cães de diferentes idades, sadios, provenientes de abrigos de animais, canil comercial, Centro de Controle de Zoonoses e domiciliados. Utilizou-se a reação de imunofluorescência indireta (RIFI), com lâminas sensibilizadas de acordo com os seus respectivos antígenos. Das 263 amostras, 100 foram reagentes, com 38,0% de positividade para Toxoplasma gondii, sendo os títulos prevalentes 16UI e 64UI, 15,97% de sororreagentes para anticorpos anti-N. caninum com maior soroprevalência para os títulos 25UI e 50UI. Na pesquisa de anticorpos anti-L. major, 3,42% foram sororreagentes com o título 40UI, sendo o mais prevalente. A pesquisa de anticorpos anti-T. cruzi revelou negatividade em todas as amostras. As variáveis procedência e faixa etária mostraram ser um fator de risco para os animais. Os animais de Belém apresentaram 2,6 vezes mais chances de infecção do que os animais de Castanhal. Os animais na faixa etária de três a sete anos apresentaram 2,27 vezes mais chances de serem sororreagentes do que os cães com até três anos de idade. Não houve associação estatística para as demais variáveis e protozoários pesquisados.

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

2016 ◽  
Vol 25 (4) ◽  
pp. 504-510 ◽  
Author(s):  
Caroline Constantino ◽  
Maysa Pellizzaro ◽  
Edson Ferraz Evaristo de Paula ◽  
Thállitha Samih Wischral Jayme Vieira ◽  
Ana Pérola Drulla Brandão ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Trypanosoma Cruzi ◽  
Urban Areas ◽  
Neospora Caninum ◽  
Antibody Test ◽  
Human Movement ◽  
Human Movements ◽  
Public Areas ◽  
Leishmania Spp ◽  
Protozoan Infections

Abstract 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.

scholarly journals Presence of antibodies against Toxoplasma gondii, Neospora caninum and Leishmania infantum in dogs from Piauí

2011 ◽  
Vol 20 (2) ◽  
pp. 111-114 ◽  
Author(s):  
Marcos Gomes Lopes ◽  
Ivete Lopes Mendonça ◽  
Kleber Portela Fortes ◽  
Marcos Amaku ◽  
Hilda de Fátima Jesus Pena ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Leishmania Infantum ◽  
Neospora Caninum ◽  
Fluorescent Antibody ◽  
Northeastern Brazil ◽  
Leishmania Infection ◽  
Serum Samples ◽  
Chi Square ◽  
Leishmania Spp ◽  
And Gender

This study aimed to evaluate the presence of antibodies against Neospora caninum, Toxoplasma gondii and Leishmania infantum in dogs attended at the Veterinary Hospital of the Federal University of Piauí, Northeastern Brazil, where there are no reports of the occurrence of N. caninum and T. gondii in dogs. Serum samples from 530 dogs of genders, different ages and breeds from the municipality of Teresina and nearby towns were analyzed using three indirect fluorescent antibody tests, each one targeting one of the three agents. The associations between the parasites and gender, breed and age of the dogs were assessed by the chi-square test (p > 0.05). The occurrence of antibodies to N. caninum, T. gondii and L. infantum was 3.2, 18.0 and 78.1%, respectively. Toxoplasma gondii was more frequently found in older dogs (p < 0.05) whereas L. infantum was more common in animals aged between 1 to 3 years (p < 0.05). In order to evaluate potential associations between the presence of anti-N. caninum and anti-T. gondii antibodies and Leishmania infection, 240 dogs were selected (120 positive and 120 negative for Leishmania spp.), based on serological and parasitological diagnoses. No association was found between Leishmania spp. and the coccidian parasites (p > 0.05). The results confirm the exposure of dogs to these parasites in the State of Piauí.

Seroepidemiology of Toxoplasma gondii, Neospora caninum, and Leishmania spp. infections and risk factors for cats from Brazil

2011 ◽  
Vol 109 (4) ◽  
Author(s):  
Willian Marinho Dourado Coelho ◽  
Alessandro Francisco Talamini do Amarante ◽  
Juliana de Carvalho Apolinário ◽  
Natalia Marinho Dourado Coelho ◽  
Valéria Marçal Felix de Lima ◽  
...  
Keyword(s):  
Risk Factors ◽  
Toxoplasma Gondii ◽  
Neospora Caninum ◽  
Leishmania Spp

scholarly journals Toxoplasma gondii, Neospora caninum and Leishmania spp. serology and Leishmania spp. PCR in dogs from Pirassununga, SP

2015 ◽  
Vol 24 (4) ◽  
pp. 454-458 ◽  
Author(s):  
Nathália Mendonça de Seabra ◽  
Vanessa Figueredo Pereira ◽  
Marcos Vinícius Kuwassaki ◽  
Julia Cristina Benassi ◽  
Trícia Maria Ferreira de Sousa Oliveira
Keyword(s):  
Toxoplasma Gondii ◽  
Neospora Caninum ◽  
Antibody Test ◽  
Seropositivity Rate ◽  
Three Samples ◽  
Leishmania Spp ◽  
Polymerase Chain ◽  
The City ◽  
Immunofluorescence Antibody Test ◽  
Immunofluorescence Antibody

Abstract We examined the presence of antibodies against the parasites Toxoplasma gondii, Neospora caninum, and Leishmania spp., as well the presence of DNA from Leishmania spp., in dogs from Pirassununga - SP. The seropositivity rate was compared with the animals’ originating location. Three hundred seventy-three blood samples from the county’s kennel and local veterinary clinics were collected and analyzed. A total of 300 samples were tested for T. gondii and N. caninum using an indirect immunofluorescence antibody test (IFAT); 45% (135/300) were positive for T. gondii and 24.3% (73/300) were positive for N. caninum. Three hundred seventy-three samples were tested for Leishmania spp. using the IFAT. Of these, 4.6% (17/373) were positive. Additionally, 145 samples were tested using a polymerase chain reaction (PCR); of these samples, 0.7% (1/145) was positive. Considering the results, we conclude that these parasites are present in the city of Pirassununga - SP and that the animals have contact with the protozoan. It is therefore necessary to create methods for disease prevention to maintain both animal and human health in regard to leishmaniasis and toxoplasmosis.

scholarly journals Seroprevalence of Toxoplasma gondii, Neospora caninum, and Leishmania spp. in hunting dogs from Mato Grosso do Sul, Brazil

2021 ◽  
Vol 51 (5) ◽  
Author(s):  
Silvana Marques Caramalac ◽  
Simone Marques Caramalac ◽  
Pablo Menegon Castilho ◽  
Juliana Izidoro Lucas ◽  
Ana Flávia Minutti ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Rural Area ◽  
Neospora Caninum ◽  
Fluorescent Antibody ◽  
Parasitic Infections ◽  
Serum Samples ◽  
Mato Grosso ◽  
Hunting Dogs ◽  
Leishmania Spp ◽  
Mato Grosso Do Sul

ABSTRACT: Toxoplasmosis, neosporosis, and leishmaniasis are important diseases of worldwide distribution and can affect both pets and humans. Hunting dogs have been trained to hunt domestic and wild animals, which makes them more exposed to parasitic infections. The present study aimed to evaluate the seroprevalence of Toxoplasma gondii, Neospora caninum, and Leishmania spp. in hunting dogs from a rural area in Mato Grosso do Sul, Brazil. Serum samples were collected from 39 American Foxhound dogs, and the sex and age variables were recorded. Serum samples were subjected to an indirect fluorescent antibody test (IFAT) to detect antibodies. Seroprevalence was 35.9%, 15.4%, and 2.6% for Toxoplasma gondii, Neospora caninum e Leishmania spp., respectively. There was no statistical difference between genders for these diseases (P>0.05). Results demonstrated a circulation of these protozoa in hunting dogs in a rural area of the state of Mato Grosso do Sul, which can contribute to the epidemiology of these diseases.

scholarly journals Presence of anti-Toxoplasma gondii, -Neospora caninum, -Leishmania spp. and -Ehrlichia canis antibodies in free-ranging maned wolves (Chrysocyon brachyurus) in the northeastern region of the state of São Paulo, Brazil

2016 ◽  
Vol 53 (3) ◽  
pp. 243 ◽  
Author(s):  
Solange Oliveira ◽  
Paulo Sérgio Ribeiro Mattos ◽  
Keiko Kusamura Mattos ◽  
Rogério Hartung Toppa ◽  
Andréa Pereira Costa ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Neospora Caninum ◽  
Sao Paulo ◽  
Ehrlichia Canis ◽  
São Paulo ◽  
International Union ◽  
Northeastern Region ◽  
Leishmania Spp ◽  
Free Ranging ◽  
Chrysocyon Brachyurus

O lobo-guará (Chrysocyon brachyurus) habita o ecossistema de Cerrado e é considerado o maior canídeo da América do Sul e uma espécie ameaçada de extinção pela "International Union for Conservation of Nature" (IUNC). O objetivo desse estudo foi investigar a presença de anticorpos anti-Toxoplasma gondii, -Neospora caninum, -Leishmania spp. e -Ehrlichia canis em lobos-guará da região nordeste do estado de São Paulo, Brasil. Das 17 amostras de soro testadas por meio da reação de imunofluorescência indireta (RIFI), 88,2% (15/17), 17,6% (3/17) e 52,9% (9/17) apresentaram anticorpos anti-T. gondii, -Leishmania spp. e -E. canis, respectivamente. Todos os animais testados foram soronegativos para N. caninum. Esses resultados indicam a exposição dos lobos-guará dessa região aos agentes pesquisados. A presença de um complexo industrial, agricultura extensiva e fragmentação de habitat na região nordeste do estado de São Paulo, favorece a proximidade desses animais silvestres a ambientes urbanos o que pode contribuir para a transmissão de doenças entre os animais silvestres, domésticos e o homem.

scholarly journals Mecanismos específicos de patogenicidade de protozoários intracelulares: Trypanosoma cruzi, Leishmania spp., Toxoplasma gondii e Plasmodium spp.

2012 ◽  
Vol 13 (20) ◽  
pp. 07-26
Author(s):  
Muriel Primon de Barros ◽  
Adrine Maria Innocente ◽  
Gloria Narjara Santos da Silva ◽  
Mariana Duarte ◽  
Sita Luvangadio Lukoki Vunda ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Trypanosoma Cruzi ◽  
Leishmania Spp

scholarly journals Ocorrência de anticorpos contra Leishmania spp., Neospora caninum E Toxoplasma gondii em soros de cães atendidos no Hospital Veterinário da Universidade Estadual de Londrina-Pr

2012 ◽  
Vol 33 (5) ◽  
pp. 1897-1906 ◽  
Author(s):  
Dauton Luiz Zulpo ◽  
Joao Henrique A de C Leite ◽  
Ivo Alexandre Leme da Cunha ◽  
Luiz Daniel Barros ◽  
Alessandra Taroda ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Neospora Caninum ◽  
Leishmania Spp
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