Environmental contamination by parasitic forms in a socially vulnerable community in southern Rio Grande do Sul state: a serious public health problem

  • Gabriela de Almeida Capella Universidade Federal de Pelotas, Instituto de Biologia
  • Natália Berne Pinto Universidade Federal de Pelotas, Instituto de Biologia
  • Soliane Carra Perera Universidade Federal de Pelotas, Faculdade de Veterinária
  • Claudia Giordani Universidade Federal de Pelotas, Faculdade de Veterinária
  • Micaele Quintana de Moura Universidade Federal de Pelotas, Instituto de Biologia
  • Leonardo Mortagua de Castro Universidade Federal de Pelotas, Faculdade de Veterinária
  • Tairan Ourique Motta Universidade Federal de Pelotas, Faculdade de Veterinária
  • Débora de Campos Añaña Universidade Federal de Pelotas, Faculdade de Veterinária
  • Karina Affeldt Guterres Universidade Federal de Pelotas, Faculdade de Veterinária
  • Cristine Cioato da Silva Universidade Federal de Pelotas, Faculdade de Veterinária
  • Marlete Brum Cleff Universidade Federal de Pelotas, Faculdade de Veterinária
Keywords: Contamination, Soil, Parasites, Zoonosis

Abstract

vulnerability. The fact that these people share the environment with animals promotes the establishment of zoonotic parasitic infections, as well as the resultant parasitic cycles. Thus, parasites present in the environment must be identified, so that control measures can be recommended. In this context, this study’s objective was to evaluate environmental contamination by parasitic forms in a socially vulnerable community in southern Rio Grande do Sul. A total of 100 soil samples collected from the community were processed by a sodium dichromate centrifuge-flotation technique and analyzed by a compound microscope (40X objective) for the identification of parasite eggs, oocysts and cysts. All points were positive for two or more parasites, with the identification of 33.59% non-identified coccidian oocysts, Strongylida (25.4%), Ascaridida (21.31%), Trichuris spp. (8.19%), Toxocara spp. (3.27%), Amoebas (4.08%), Dioctophyma renale (2.45%), and Giardia spp. (1.63%). The presence of parasitic forms in all points analyzed surpasses other studies of environmental contamination carried out in the southern region of Brazil. In addition, the identification of several parasitic forms with zoonotic potential is concerning, since it shows the possibility of parasitic transmission to humans and other animals. In view of the results, the conclusion is that the environment analyzed is contaminated by parasitic forms, constituting a serious public health problem. Therefore, implementing educational and preventive measures in the community to control parasites is of crucial importance.

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Published
2018-07-26
How to Cite
Capella, G., Pinto, N., Perera, S., Giordani, C., Moura, M., Castro, L., Motta, T., Añaña, D., Guterres, K., Silva, C., & Cleff, M. (2018). Environmental contamination by parasitic forms in a socially vulnerable community in southern Rio Grande do Sul state: a serious public health problem. Brazilian Journal of Veterinary Research and Animal Science, 55(2), e132007. https://doi.org/10.11606/issn.1678-4456.bjvras.2018.132007
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