Periódicos Brasileiros em Medicina Veterinária e Zootecnia

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Dipylidium caninum, Ancylostoma spp., and Trichuris spp. contamination in public parks in Mexico

Romero Núñez, CamiloRamírez Durán, NinfaEduardo Mendoza Barrera, GermánMendoza Barrera, ElizabethGuilina Bautista Gómez, Linda

Background: Zoonotic parasitoses are a public health problem because they are distributed worldwide. Soil contamination with dog faeces is an important worldwide problem because it facilitates the transmission of zoonotic parasites. It has been reported in different studies that soil contamination by parasites represents a risk factor for the population (mainly children) to acquire parasitic diseases caused by Dipylidium caninum, Ancylostoma spp., and Trichuris spp. Therefore, the objectives of the present study were to analyse soil samples collected from five public parks in the city of Nezahualcoyotl, Mexico for the presence of canine soil-transmitted parasites.Materials, Methods & Results: A total of 1726 soil samples were obtained from five public parks in Nezahualcoyotl County, Mexico and analysed for Dipylidium caninum, Ancylostoma spp., and Trichuris spp. eggs. Sampling was carried out in summer 2009 with the permission of the Parks and Public Gardens Nezahualcoyotl Offi ce. Samples were evaluated using a flotation method, using microscopic observation for egg identification. The data were analysed with the KruskalWallis test and average mean percentages of contamination between the parks means were compared using the Nemenyi test. There were differences in the degree of contamination among the parks, but the soil characteristics were not correlated with the presence

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