Prevalence and Viability of Toxocara spp. Eggs in Soil of Public Parks in Northwestern Mexico

  • Alexis Israel VARGAS NAVA Faculty of Veterinary Medicine and Zootechnics, University Autonomous of Sinaloa, Culiacan, Sinaloa, Mexico
  • Nohemí CASTRO DEL CAMPO Faculty of Veterinary Medicine and Zootechnics, University Autonomous of Sinaloa, Culiacan, Sinaloa, Mexico
  • Idalia ENRÍQUEZ VERDUGO Faculty of Veterinary Medicine and Zootechnics, University Autonomous of Sinaloa, Culiacan, Sinaloa, Mexico
  • Jesús José PORTILLO LOERA Faculty of Veterinary Medicine and Zootechnics, University Autonomous of Sinaloa, Culiacan, Sinaloa, Mexico
  • Claudia Leonor BARRAZA TIZOC Faculty of Veterinary Medicine and Zootechnics, University Autonomous of Sinaloa, Culiacan, Sinaloa, Mexico
  • Soila Maribel GAXIOLA CAMACHO Faculty of Veterinary Medicine and Zootechnics, University Autonomous of Sinaloa, Culiacan, Sinaloa, Mexico
Keywords:
Toxocara spp, Public parks, Prevalence, Viability

Abstract

Background: Toxocara spp. is a zoonotic parasite that can infect human; children are the largest group at risk of infection. Therefore, this study aimed to determine the prevalence and viability of Toxocara spp. eggs in the soil of public parks. Methods: Overall, 1180 soil samples from 236 public parks in four sectors of the city of Culiacan were collected at random, between Jun and Dec, 2013. The presence of Toxocara spp. eggs was determined by light microscopy using a centrifugation-flotation technique and viability by trypan blue staining technique. Results: Of the 236 parks sampled, 18 were positive to Toxocara spp. resulting in a prevalence of 7.6% and viability of 94.4% with a P<0.05. Detection of Toxocara spp.in soil samples was 16.5% and viability 94.7% with a P<0.05. Parks positive to Toxocara spp., had sports fields and playgrounds (94.4%), trees and green areas (88.8%). Conclusion: Although a low prevalence of Toxoxara spp. eggs in the soil of public parks was found, they exhibited high viability, suggesting that the soil from these public parks is a source of infection for pets and humans especially children.

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Published
2020-06-07
How to Cite
1.
VARGAS NAVA AI, CASTRO DEL CAMPO N, ENRÍQUEZ VERDUGO I, PORTILLO LOERA JJ, BARRAZA TIZOC CL, GAXIOLA CAMACHO S M. Prevalence and Viability of Toxocara spp. Eggs in Soil of Public Parks in Northwestern Mexico. Iran J Parasitol. 15(2):196-203.
Section
Original Article(s)