Survey of anti-Toxoplasma gondii antibodies in wild mammals captured from Atlantic Forest fragments in Bahia, northeastern Brazil

The objective of this study was to investigate the frequency of antibodies to Toxoplasma gondii present in wild mammals that were trap captured in forest fragments in the State of Bahia, northeastern Brazil. A total of 368 individuals (246 rodents, 104 marsupials and 18 bats) were captured using liv...

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Published in:Revista brasileira de parasitologia veterinaria 2020-01, Vol.29 (4), p.e004720-e004720
Main Authors: Brito Junior, Pedro de Alcântara, Rocha, Josiane Moreira, Silva, Caroline Araújo da, Oliveira, Priscylla Marcelly Vilanova, Correia, Joelande Esquivel, Cruz, Luciara Alves da, Sevá, Anaiá da Paixão, Oliveira, Téo Veiga de, Silva, Aristeu Vieira da, Alvarez, Martín Roberto Del Valle, Albuquerque, George Rêgo
Format: Article
Language:English
Subjects:
Animals
Antibodies, Protozoan - blood
Brazil - epidemiology
Forests
Mammals - immunology
Mammals - parasitology
MAT
PARASITOLOGY
Seroepidemiologic Studies
serology
Surveys and Questionnaires
Toxoplasma
Toxoplasmosis
Toxoplasmosis, Animal - diagnosis
Toxoplasmosis, Animal - epidemiology
VETERINARY SCIENCES
wild animals
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Summary:The objective of this study was to investigate the frequency of antibodies to Toxoplasma gondii present in wild mammals that were trap captured in forest fragments in the State of Bahia, northeastern Brazil. A total of 368 individuals (246 rodents, 104 marsupials and 18 bats) were captured using live catch traps. Serum samples were tested using the modified agglutination test, with a cut-off point at 1:25 dilution. The total occurrence of antibodies to T. gondii was 10.6% (39/368), being 16.3% (17/104) in marsupials, 8.5% (21/246) in rodents, and 5.5% (1/18) in bats. Antibody titers varied between 25 and 50 for rodents, between 25 and 400 for marsupials, and were 25 for bats. This is the first report on antibodies to T. gondii in certain rodent species (Thaptomys nigrita, Hylaeamys laticeps, and Cerradomys subflavus), marsupial species (Monodelphis americana, Gracilinanus microtarsus, Gracilinanus agilis and Marmosops incanus), and bats of the genus Rhynchonycteris. The presence of antibodies to T. gondii in wild mammals demonstrates the possibility of these animals as sentinels of toxoplasmosis, especially on regions under high anthropogenic effect.
ISSN:0103-846X
1984-2961
1984-2961
DOI:10.1590/S1984-29612020083