Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in Brazil
BackgroundNematodes of the genus Trichinella are foodborne zoonotic pathogens that are widespread globally. These parasites have two epidemiological cycles, domestic and sylvatic, with the latter having wild carnivores as the main reservoirs of the parasite. Trichinella spp. have been increasingly d...
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Frontiers Media S.A.
2025-01-01
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| Series: | Frontiers in Tropical Diseases |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fitd.2024.1501710/full |
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| author | Lívia de Oliveira Andrade Patricia Parreira Perin Carmen Andrea Arias-Pacheco Camilla de Souza Amorim Fernanda Lefort Fernanda Mara Aragão Macedo Pereira Lauro Leite Soares-Neto Antonio de Pádua Bordignon Fernandes Wilson Junior Oliveira Ricardo Shoiti Ichikawa André Luiz Mota da Costa Paulo Henrique Peira Ruffino Karin Werther Estevam Guilherme Lux Hoppe |
| author_facet | Lívia de Oliveira Andrade Patricia Parreira Perin Carmen Andrea Arias-Pacheco Camilla de Souza Amorim Fernanda Lefort Fernanda Mara Aragão Macedo Pereira Lauro Leite Soares-Neto Antonio de Pádua Bordignon Fernandes Wilson Junior Oliveira Ricardo Shoiti Ichikawa André Luiz Mota da Costa Paulo Henrique Peira Ruffino Karin Werther Estevam Guilherme Lux Hoppe |
| author_sort | Lívia de Oliveira Andrade |
| collection | DOAJ |
| description | BackgroundNematodes of the genus Trichinella are foodborne zoonotic pathogens that are widespread globally. These parasites have two epidemiological cycles, domestic and sylvatic, with the latter having wild carnivores as the main reservoirs of the parasite. Trichinella spp. have been increasingly detected in wild carnivores in Argentina and Chile. Although the disease is absent in domestic animals in Brazil, there is serological evidence that the agent is circulating in wild boars in some areas. This study aimed to diagnose Trichinella spp. infection through artificial tissue digestion and histopathology of selected tissues of wild carnivores from São Paulo state, southeastern Brazil.MethodsTissue samples (forearm muscles, diaphragm, and tongue) from 53 wild carnivores (21 Canidae, 25 Felidae, 04 Mustelidae, 03 Procyonidae) were used, along with a retrospective study of the slide bank, considering samples from the period 2010 to 2021, totaling 89 free-living carnivores (42 Canidae, 42 Felidae, 03 Mustelidae, 02 Procyonidae).ResultsEither artificial digestion or histopathological analyses did not reveal any larvae suggestive of Trichinella spp., indicating that the nematode was not circulating within the target population.ConclusionTo date, there is no direct evidence of nematode circulation in wild carnivores in the study area. |
| format | Article |
| id | doaj-art-f7ee7dc43e004ed1b8e29653254350e0 |
| institution | Kabale University |
| issn | 2673-7515 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Tropical Diseases |
| spelling | doaj-art-f7ee7dc43e004ed1b8e29653254350e02025-01-07T06:51:12ZengFrontiers Media S.A.Frontiers in Tropical Diseases2673-75152025-01-01510.3389/fitd.2024.15017101501710Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in BrazilLívia de Oliveira Andrade0Patricia Parreira Perin1Carmen Andrea Arias-Pacheco2Camilla de Souza Amorim3Fernanda Lefort4Fernanda Mara Aragão Macedo Pereira5Lauro Leite Soares-Neto6Antonio de Pádua Bordignon Fernandes7Wilson Junior Oliveira8Ricardo Shoiti Ichikawa9André Luiz Mota da Costa10Paulo Henrique Peira Ruffino11Karin Werther12Estevam Guilherme Lux Hoppe13Departamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilDepartamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilDepartamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilDepartamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilDepartamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilParque Zoológico Municipal de Bauru, Bauru, SP, BrazilParque Zoológico Municipal de Bauru, Bauru, SP, BrazilBiólogo Autônomo, São Simão, SP, BrazilDepartamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilDepartamento de Cirurgia Veterinária e Reprodução Animal, Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia (FMVZ), Botucatu, SP, BrazilParque Zoológico Municipal “Quinzinho de Barros”, Sorocaba, SP, BrazilInstituto de Pesquisas Ambientais (IPA), Secretaria de Meio Ambiente, Infraestrutura e Logística (SEMIL), São Paulo, SP, BrazilDepartamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilDepartamento de Patologia, Reprodução e Saúde Única, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias (FCAV), Jaboticabal, SP, BrazilBackgroundNematodes of the genus Trichinella are foodborne zoonotic pathogens that are widespread globally. These parasites have two epidemiological cycles, domestic and sylvatic, with the latter having wild carnivores as the main reservoirs of the parasite. Trichinella spp. have been increasingly detected in wild carnivores in Argentina and Chile. Although the disease is absent in domestic animals in Brazil, there is serological evidence that the agent is circulating in wild boars in some areas. This study aimed to diagnose Trichinella spp. infection through artificial tissue digestion and histopathology of selected tissues of wild carnivores from São Paulo state, southeastern Brazil.MethodsTissue samples (forearm muscles, diaphragm, and tongue) from 53 wild carnivores (21 Canidae, 25 Felidae, 04 Mustelidae, 03 Procyonidae) were used, along with a retrospective study of the slide bank, considering samples from the period 2010 to 2021, totaling 89 free-living carnivores (42 Canidae, 42 Felidae, 03 Mustelidae, 02 Procyonidae).ResultsEither artificial digestion or histopathological analyses did not reveal any larvae suggestive of Trichinella spp., indicating that the nematode was not circulating within the target population.ConclusionTo date, there is no direct evidence of nematode circulation in wild carnivores in the study area.https://www.frontiersin.org/articles/10.3389/fitd.2024.1501710/fullwild animalszoonosesparasitesneotropicsone health |
| spellingShingle | Lívia de Oliveira Andrade Patricia Parreira Perin Carmen Andrea Arias-Pacheco Camilla de Souza Amorim Fernanda Lefort Fernanda Mara Aragão Macedo Pereira Lauro Leite Soares-Neto Antonio de Pádua Bordignon Fernandes Wilson Junior Oliveira Ricardo Shoiti Ichikawa André Luiz Mota da Costa Paulo Henrique Peira Ruffino Karin Werther Estevam Guilherme Lux Hoppe Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in Brazil Frontiers in Tropical Diseases wild animals zoonoses parasites neotropics one health |
| title | Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in Brazil |
| title_full | Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in Brazil |
| title_fullStr | Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in Brazil |
| title_full_unstemmed | Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in Brazil |
| title_short | Absence of infection by Trichinella spp. (Nematoda: Trichinellidae) in free-living wild carnivores in Brazil |
| title_sort | absence of infection by trichinella spp nematoda trichinellidae in free living wild carnivores in brazil |
| topic | wild animals zoonoses parasites neotropics one health |
| url | https://www.frontiersin.org/articles/10.3389/fitd.2024.1501710/full |
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