Publications by authors named "Pamela Vinueza-Veloz"

Introduction: This protocol outlines the Proyecto Guagua, which aims to explore the relationship between the characteristics of the gut microbiota, parasitic infections, nutritional status, and neurocognitive functioning in school-age children in Ecuador.

Methods And Analysis: Proyecto Guagua is a cross-sectional observational study funded by the Escuela Superior Politécnica de Chimborazo. It is being carried out in several counties across different geographical regions in Ecuador, including Galápagos.

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Article Synopsis
  • The study evaluated the resistance of bovine gastrointestinal nematodes to the dewormers ivermectin (IVM) and fenbendazole (FBZ) on five cattle farms in Ecuador.
  • Results showed that IVM treatment had variable efficacy, with fecal egg count reductions (FECR) from 0 to 68%, indicating strong resistance, while FBZ treatment consistently showed over 90% FECR, suggesting it remains effective.
  • The research identified Cooperia spp. as the main nematode species, without any mutations related to resistance to FBZ found, reinforcing the drug's effectiveness in contrast to the resistance observed with IVM.
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In contrast to many other European countries, no data were available on the presence of anthelmintic resistance in gastrointestinal nematodes in sheep in Belgium. A faecal egg count reduction test was performed in 26 sheep flocks in Flanders, Northern Belgium. Results indicated widespread resistance against benzimidazoles (albendazole, fenbendazole and mebendazole), with treatment failure on all 8 farms investigated.

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