Environmental contamination by parasites in public parks in belgrade in the context of one health approach
2022
Bogunović, Danica | Dominiković, Nina | Jovanović, Nemanja | Nenadović, Katarina | Kulišić, Zoran | Ilić, Tamara | Stević, Nataša
This paper studies the presence of developmental forms of gastrointestinal parasitesin soil and sand samples, as well as in dog feces collected from public green spaces inBelgrade. The paper incorporates the spread analysis of contamination over differentsegments of parks. Four public green spaces in Belgrade were chosen, all containing anopen-spaced children’s playground and a fenced dog park. Sample analysis of soil/sandwas examined using qualitative methods without concentration (native slide) and withconcentration (passive sedimentation and gravitational centrifugal flotation). In total,106 samples have been collected out of which 60 samples of soil, 36 of dog faecesand ten samples of sand. Seven different agents have been detected, out of whichfive nematodes - Ancylostoma/Uncinaria spp., Trichuris spp., Capillaria spp., Toxocara spp.,Toxascaris leonina and two protozoa - Isospora spp. and Giardia intestinalis. The overallprevalence of contamination of soil samples was 31.67% and a statistically significantdifference in the prevalence of ancylostoma eggs was found between differentlocations. The most common agent detected in the dog’s faeces was Isospora spp.,with a prevalence of 5.56%, followed by Giardia intestinalis and ancylostomatids witha prevalence of 2.78% each. The sand samples had no parasitic elements found. Thecontamination by parasites and by dogs’ faeces was equally dispersed in all segments ofthe examined locations.There is a great need to raise public awareness on the issue, and by the joint action ofveterinarians, medical doctors, pet owners and people using public parks for recreation- a precondition is created for the sustainability of the “One Health” concept whichimplies the preservation of the environment and human and animal health.
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