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Parasitismo gastrointestinal em cães frequentadores de espaços públicos da freguesia de Mafra, Portugal
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Resumo(s)
As parasitoses dos animais de companhia são, cada vez mais relevantes, pelo contacto
com o ser humano, que tem vindo a aumentar pelos benefícios tanto psicológicos como
físicos que promovem nos seus tutores. Muitas destas parasitoses têm potencial
zoonótico, podendo causar doença nas pessoas.
A presente dissertação teve como objetivo principal determinar a prevalência de vários
parasitas gastrointestinais através da colheita de fezes de cão em espaços públicos em
várias localidades da freguesia de Mafra.
Foram colhidas 130 amostras fecais de cães em 13 locais de recolha, na vila de Mafra e
localidades envolventes. Todas foram sujeitas às mesmas técnicas laboratoriais: técnica
de flutuação de Willis, técnica de sedimentação natural, técnica de Baermann, esfregaços
fecais diretos e após Método da Sedimentação Difásica de Ritchie Modificado corados
pela técnica de Ziehl-Neelsen modificada. As amostras de resultado duvidoso para
Giardia spp. e/ou Cryptosporidium spp. foram sujeitas a teste utilizando kits de
imunofluorescência direta. Este estudo evidenciou uma prevalência global de parasitismo
de 14,6% (19/130), sendo que os parasitas mais prevalentes foram Giardia spp. (8,5%),
Toxocara canis (2,3%), Cryptosporidium spp (2,3%) e Cystoisospora spp. (0,8%). Não se
constatou relação estatisticamente significativa entre exposição solar e presença de
parasitas, assim como não houve relação entre a consistência das fezes com a presença de
Giardia spp. e Cryptosporidium spp. A prevalência global registada foi inferior a outros
estudos, porém alguns dos parasitas encontrados têm potencial zoonótico e, por isso,
acarretam preocupação ao nível da saúde pública. É, assim, necessário sensibilizar a
população para medidas higio-sanitárias a adoptar, iniciando por simples medidas como a
recolha de dejectos dos seus animais de estimação.
ABSTRACT - GASTROINTESTINAL PARASITISM IN DOGS THAT FREQUENT PUBLIC SPACES OF MAFRA, PORTUGAL - Parasitic diseases in pets are becoming more important mainly due to the closest contact between animals and their owners although several benefits, both psychological and physical, are acquired. Many of these parasites have zoonotic potential and may cause problems in the human population. The primary aim of this study was to determine the prevalence of several gastrointestinal parasites through the collection of dog feces in public spaces in Mafra. A total of 130 fecal samples of dogs were collected at 13 collection sites in the village of Mafra and surrounding localities. All of them were subjected to the same laboratory techniques: flotation technique (Willis), natural sedimentation technique, Baermann technique, direct faecal smear and stained with the Ziehl-Neelsen modified technique after the modified Ritchie‘s diphasic sedimentation method. The present study revealed an overall prevalence of parasitism of 14.6% (19/130) being the prevalent parasites Giardia sp. (8.5%), Toxocara canis (2.3%), Cryptosporidium sp. (2.3%) and Cystoisospora sp. (0.8%). There was no statistically significant relationship between sun exposure and presence of parasites, nor was there any relation between the consistency of the feces and the presence of Giardia sp. and Cryptosporidium sp. The prevalence recorded was lower than other existing studies, however some of the parasites found have zoonotic potential and, therefore, are of concern to the public health. Hygienic-sanitary measures should be adopted, such as the collection of pets feces from the soil, being of utmost importance to sensitize the population for the danger of zoonotic diseases.
ABSTRACT - GASTROINTESTINAL PARASITISM IN DOGS THAT FREQUENT PUBLIC SPACES OF MAFRA, PORTUGAL - Parasitic diseases in pets are becoming more important mainly due to the closest contact between animals and their owners although several benefits, both psychological and physical, are acquired. Many of these parasites have zoonotic potential and may cause problems in the human population. The primary aim of this study was to determine the prevalence of several gastrointestinal parasites through the collection of dog feces in public spaces in Mafra. A total of 130 fecal samples of dogs were collected at 13 collection sites in the village of Mafra and surrounding localities. All of them were subjected to the same laboratory techniques: flotation technique (Willis), natural sedimentation technique, Baermann technique, direct faecal smear and stained with the Ziehl-Neelsen modified technique after the modified Ritchie‘s diphasic sedimentation method. The present study revealed an overall prevalence of parasitism of 14.6% (19/130) being the prevalent parasites Giardia sp. (8.5%), Toxocara canis (2.3%), Cryptosporidium sp. (2.3%) and Cystoisospora sp. (0.8%). There was no statistically significant relationship between sun exposure and presence of parasites, nor was there any relation between the consistency of the feces and the presence of Giardia sp. and Cryptosporidium sp. The prevalence recorded was lower than other existing studies, however some of the parasites found have zoonotic potential and, therefore, are of concern to the public health. Hygienic-sanitary measures should be adopted, such as the collection of pets feces from the soil, being of utmost importance to sensitize the population for the danger of zoonotic diseases.
Descrição
Dissertação de Mestrado Integrado em Medicina Veterinária
Palavras-chave
cão parasitas gastrointestinais zoonoses saúde pública helmintes protozoários coprologia Mafra, Portugal dogs gastrointestinal parasites zoonosis public health helminths protozoan coprology
Contexto Educativo
Citação
Machado, M.C.S. (2019). Parasitismo gastrointestinal em cães frequentadores de espaços públicos da freguesia de Mafra, Portugal. Dissertação de mestrado. Universidade de Lisboa, Faculdade de Medicina Veterinária, Lisboa.
Editora
Universidade de Lisboa, Faculdade de Medicina Veterinária