Seroprevalence of IgG anti-Toxoplasma gondii and anti-Neospora caninum in goats from northern Paraná, Brazil
DOI:
https://doi.org/10.5433/1679-0359.2026v47n1p119Keywords:
IFA, Neosporosis, Reproductive problems, Toxoplasmosis, Zoonotic parasite.Abstract
Toxoplasma gondii is a zoonotic parasite that can infect mammals and birds, posing a risk to human health. It can cause reproductive disorders in small ruminants. Neospora caninum affects ruminants, especially cattle, and causes abortions; however, studies have also reported reproductive alterations in sheep and goats. The aim of this study was to investigate the seroprevalence and epidemiological aspects of infection by T. gondii and N. caninum in goats in northern Paraná, Brazil. Blood samples were collected from 321 animals on eight goat farms in northern Paraná. IgG anti-T. gondii antibodies were analyzed using an indirect fluorescence antibody test (IFA), with cutoff points of 64 for T. gondii and 50 for N. caninum. Of the 321 animals analyzed, 110 (34.3%) were seropositive for T. gondii and 33 (10.3%) were seropositive for N. caninum. Eight farms (100%) were seropositive for T. gondii and seven (87.5%) were seropositive for N. caninum. Statistically significant associations were observed between seropositivity for T. gondii and a history of abortions and the presence of cats on the property. Investigation of the seroprevalence of T. gondii and N. caninum is essential for implementing measures to control and prevent toxoplasmosis and neosporosis in Northern Paraná.
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Abu-Dalbouh, M. A., Ababneh, M. M., Giadinis, N. D., & Lafi, S. Q. (2012). Ovine and caprine toxoplasmosis (Toxoplasma gondii) in aborted animals in Jordanian goat and sheep flocks. Tropical Animal Health and Production, 44(1), 49-54. doi: 10.1007/s11250-011-9885-2
Anderlini, G. A., Mota, R. A., Faria, E. B., Cavalcanti, E. F. T. S. F., Valença, R. M. B., Pinheiro Júnior, J. W., Albuquerque, P. P. F., & Souza Neto, O. L. (2011). Occurrence and risk factors associated with infection by Toxoplasma gondii in goats in the State of Alagoas, Brazil. Revista da Sociedade Brasileira de Medicina Tropical, 44(2), 157–162. doi: 10.1590/S0037-86822011005000017
Andrade, G. S., Rocha, C. M. B. M., Faria, E. B., Flausino, W., Lana, M. V. C., & Ribeiro, R. R. (2012). Seroprevalence and risk factors for Neospora caninum in sheep in the state of Minas Gerais, southeastern Brazil. Veterinary Parasitology, 188(1-2), 168-171. doi: 10.1016/j.vetpar.2012.03.006
Arraes-Santos, A. I., Araújo, A. C., Guimarães, M. F., Santos, J. R., Pena, H. F. J., Gennari, S. M., Azevedo, S. S., Labruna, M. B., & Horta, M. C. (2016). Seroprevalence of anti-Toxoplasma gondii and anti-Neospora caninum antibodies in domestic mammals from two distinct regions in the semi-arid region of Northeastern Brazil. Veterinary Parasitology: Regional Studies and Reports, 5, 14–18. doi: 10.1016/j.vprsr.2016.08.007
Batista, S. P., Silva, S. S., Sarmento, W. F., Mota, R. A., Feitosa, T. F., & Vilela, V. L. R. (2023). Seroprevalence and associated factors with Neospora caninum infection in sheep and goats slaughtered in the state of Paraíba, Brazil. Revista Brasileira de Parasitologia Veterinária, 32(4), e068. doi: 10.1590/S1984-29612023068
Camargo, M. E. (1964). Improved technique of indirect immunofluorescence for serological diagnosis of toxoplasmosis. Revista do Instituto de Medicina Tropical de São Paulo, 6(3), 117-118.
Dubey, J. P. (2021). Toxoplasmosis of animals and humans (2nd ed.). CRC Press. doi: 10.1201/9781003199373
Dubey, J. P., Hemphill, A., Calero-Bernal, R., & Schares, G. (2017). Neosporosis in animals. CRC Press. doi: 10.1201/9781315152561
Dubey, J. P., Lago, E. G., Gennari, S. M., Su, C., & Jones, J. L. (2012). Toxoplasmosis in humans and animals in Brazil: high prevalence, high burden of disease, and epidemiology. Parasitology, 139(11), 1375-1424. doi: 10.1017/S0031182012000765
Dubey, J. P., Murata, F. H. A., Cerqueira-Cézar, C. K., & Kwok, O. C. H. (2020). Public health and economic importance of Toxoplasma gondii infections in goats: the last decade. Research in Veterinary Science, 132, 292-307. doi: 10.1016/j.rvsc.2020.07.005
Ferreira Neto, J. M., Ferreira, F. P., Miura, A. C., Almeida, J. C., Martins, F. D. C., Souza, M., Bronkhorst, D. E., Romanelli, P. R., Pasquali, A. K. S., Santos, H. L. E. P. L., Benitez, A. N., Caldart, E. T., Zanella, L. F., Freire, R. L., & Navarro, I. T. (2018). An outbreak of caprine toxoplasmosis: Investigation and case report. Ciência Rural, 48(5), e20170790. doi: 10.1590/0103-8478cr20170790
Fortes, M. S., Mori, F. M. R. L., Caldart, E. T., Constantino, C., Evers, F., Pagliari, S., Almeida, J. C., Barros, L. D., Freire, R. L., Garcia, J. L., Headley, S. A., & Navarro, I. T. (2018). Caprine toxoplasmosis in Southern Brazil: A comparative seroepidemiological study between the indirect immunofluorescence assay, the enzyme-linked immunosorbent assay, and the modified agglutination test. Tropical Animal Health and Production, 50(2), 413–419. doi:10.1007/s11250-017-1450-1
Gazzonis, A. L., Zanzani, S. A., Villa, L., & Manfredi, M. T. (2019). Toxoplasma gondii in naturally infected goats: monitoring of specific IgG levels in serum and milk during lactation and parasitic DNA detection in milk. Preventive Veterinary Medicine, 170, 104738. doi: 10.1016/j.prevetmed.2019.104738
Instituto Brasileiro de Geografia e Estatística (2023). Produção agropecuária: caprinos - Paraná. IBGE. https://www.ibge.gov.br/explica/producao-agropecuaria/caprinos/pr
Jittapalapong, S., Sangvaranond, A., Pinyopanuwat, N., Chimnoi, W., Khachaeram, W., Koizumi, S., & Maruyama, S. (2005). Seroprevalence of Toxoplasma gondii in domestic goats in Satun Province, Thailand. Veterinary Parasitology, 127(1), 17–22. doi: 10.1016/j.vetpar.2004.08.019
Maia, A. R. A., Bezerra, R. A., Silva, S. S., Álvares, F. B. V., Santos, C. S. A. B., Alves, C. J., Clementino, I. J., Feitosa, T. F., Vilela, V. L. R., & Azevedo, S. S. (2023). Herd-level seroprevalence and associated factors for Toxoplasma gondii in cows in Paraíba, Brazil. Revista Brasileira de Parasitologia Veterinária, 32(2), e017222. doi: 10.1590/S1984-29612023025
Moreno, B., Collantes-Fernández, E., Villa, A., Navarro, A., Regidor-Cerillo, J., & Ortega-Mora, L. M. (2012). Occurrence of Neospora caninum and Toxoplasma gondii infections in ovine and caprine abortions. Veterinary Parasitology, 187(1-2), 312-318. doi: 10.1016/j.vetpar.2011.12.034
Nayeri, T., Sarvi, S., Moosazadeh, M., & Daryani, A. (2021). Global prevalence of Toxoplasma gondii infection in aborted fetuses and ruminants: a meta‐analysis. Veterinary Parasitology, 290, 109370. doi: 10.1016/j.vetpar.2021.109370
Romanelli, P. R., Matos, A. M. R. N., Pinto-Ferreira, F., Caldart, E. T., Oliveira, J. S., Anteveli, G., Jeanfelice, B. C. S., Stolf, R. L., Sanches, T. F., Silva, M. K., Minho, A. P., Cavalcante, A. C. R., Freire, R. L., Mitsuka-Breganó, R., & Navarro, I. T. (2020). Toxoplasma gondii and Neospora caninum in goats in Paraná, Brazil. Revista Brasileira de Parasitologia Veterinária, 29(4), e003620. doi: 10.1590/S1984-29612020076
Silva, A. V., Cunha, E. L. P., Meireles, L. R., Gottschalk, S., Mota, R. A., & Langoni, H. (2003). Toxoplasmose em ovinos e caprinos. Ciência Rural, 33(1), 115-119. doi: 10.1590/S0103-84782003000100018
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Copyright (c) 2026 Fernando ´Pietrini Soufen, Jorgeana Guadanhini Negrizolli, Amanda Filus Marchese, Mateus Siqueira Pyles, Amanda Fonseca Zangirolamo, Rafaela Maria Boson Jurkevicz, Ana Carolina Cavallieri, João Pedro Sasse, Fernando de Souza Rodrigues, João Luis Garcia
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Conselho Nacional de Desenvolvimento Científico e Tecnológico
Grant numbers 406572/2022–4
