ABSTRACT
There are sandboxes in public elementary school playground areas in Brazil, which can be harmful to children. They are at risk of cutaneous and visceral larva migrans infection caused by Ancylostoma spp. and Toxocara spp., respectively. The study was designed to investigate contamination by Toxocara spp. and/or their eggs and Ancylostoma spp. larvae in sand samples collected from the schools' sandboxes. Five hundred and thirty-five sand samples from 28 public elementary schools were collected during summer and winter and analyzed by both Baerman's method and centrifugal flotation technique. Ancylostoma spp. larvae were found in 35.7% (10/28) schools in summer time and in 46.4% (13/28) schools in the winter time. Eggs of Toxocara spp. could not be recovered from the samples analyzed and eggs from Ancylostoma spp. were seen in 0.56% (3/535) of the samples.
Subject(s)
Ancylostoma/isolation & purification , Larva Migrans/transmission , Leisure Activities , Soil/parasitology , Toxocara/isolation & purification , Animals , Brazil , Child , Humans , SchoolsABSTRACT
O desempenho da técnica de esfregaço de fragmento de coágulo de sangue, com as coloraçöes de Giemsa diluído e puro, é avaliado em relaçäo à apresentaçäo dos elementos figurados e na determinaçäo de parasitemia por Babesia bovis, B. bigemina e Anaplasma marginale. Utilizou-se um bovino, seis meses de idade e inoculado com os agentes da tristeza parasitária bovina como doador das amostras de coágulo. A técnica mostrou-se adequada ao diagnóstico dos parasitos, com restriçöes à observaçäo de eritrócitos e leucócitos
Subject(s)
Animals , Anaplasmosis/diagnosis , Azure Stains , Babesiosis/diagnosis , CattleABSTRACT
O desempenho da técnica de distensäo de Gota do Coágulo de sangue, entre as coloraçöes de Giemsa diluído e puro, é avaliado em relaçäo à possibilidade de observaçäo dos elementos figurados e da presença de Babesia bovis, Babesia bigemina e Anaplasma marginale. Utilizou-se um bovino, com 6 meses de idade inoculado com os agentes da Tristeza Parasitária, como doador das amostras de sangue. A técnica permitiu a observaçäo dos eritrócitos, leucócitos e dos hemoparasitas