Occurrence of Toxoplasma gondii and Neospora caninum antibodies and risk factors in domiciliated dogs of Manaus, Amazonas, Brazil

Abstract The presence of antibodies anti-Toxoplasma gondii and Neospora caninum have been described in dogs from virtually all Brazilian states, however in the state of Amazonas, there are few studies on these coccidia. In this study the occurrence of antibodies against T. gondii and N. caninum and risk factors were determined in domiciliated dogs of Manaus, AM. Blood samples were collected from 154 dogs and, during the harvest, a questionnaire was applied with questions related to the animals. The samples were analyzed, for the presence of anti-T. gondii and N. caninum antibodies, by indirect fluorescence antibody test, with cutoff of 16 and 50, respectively. Associations between the variables studied and the presence of antibodies were made by chi-square test, fisher's exact test or G test (p<0.05). Of the 154 samples, 19 (12.3% 95% CI = 7.1% - 17.5%) were reagents to T. gondii, and association (p <0.05) was observed between the presence of antibodies and contact with other dogs. The occurrence of dogs reactive to N. caninum was 1.9% (95% CI = 0.4% - 5.6%) with 3 of the 154 dogs positives, and no association (p>0.05) was observed between the presence of N. caninum antibodies, and the variables studied.

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Bibliographic Details
Main Authors: Campos,Hevila Gabrieli Nascimento de, Soares,Herbert Sousa, Azevedo,Sergio Santos de, Gennari,Solange Maria
Format: Digital revista
Language:English
Published: Colégio Brasileiro de Parasitologia Veterinária 2022
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612022000200400
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