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Triquinose: do parasita ao ecossistema

Authors: Balazeiro, Clementina Furtado;

Triquinose: do parasita ao ecossistema

Abstract

A triquinose é uma zoonose parasitária, cujo agente causal, um nemátode, pertence ao género Trichinella. Foram já identificadas e caracterizadas várias espécies pertencentes a este género, como T. spiralis, T. nativa, T. britovi, T. nelsoni, T. murreli, T. pseudospiralis, T. papuae e T. zimbabwensis bem como alguns genótipos, T6, T8, T9, e T12. A triquinose é uma doença transmitida por carnivorismo entre os seus hospedeiros. No Homem, a principal fonte de infecção é o consumo de carne infectada, proveniente de animais domésticos ou selvagens, cujo método de confecção não tenha sido capaz de destruir as formas larvares de Trichinella presentes no tecido muscular. Esta doença apresenta elevada importância epidemiológica, pois está distribuída por tudo o mundo, sobretudo devido à livre movimentação de animais e pessoas. Por vezes de difícil diagnóstico, os sinais clínicos da triquinose mais característicos são febre alta, mialgias, dor abdominal, eosinofilia e edema ocular. O tratamento da Triquinose é possível através da administração de antiparasitários anti-helmínticos. O controlo, ou mesmo a diminuição da incidência, de triquinose é um processo complexo mas que deverá ser apoiado, numa primeira fase, no melhoramento de infra-estruturas das explorações suiniculturas, assim criando melhores condições sanitárias. De igual forma, a permanente vigilância veterinária é também uma condição essencial para o controlo de novos surtos por Trichinella spp.. Trichinosis is a parasitic zoonosis whose causative agent is a nematode belonging to the genus Trichinella. It have already been identified and characterized several species belonging to this genus, as T. spiralis, T. nativa, T. britovi, T. nelsoni, T. murreli, T. pseudospiralis, T. papuae and T. zimbabwesis and some genotypes, T6, T8, T9 and T12. Trichinosis is a disease transmitted by carnivorism among its hosts. In humans, the main source of infection is the consumption of infected meat, from domestic or wild animals, whose method of preparation has not been able to destroy the larval forms of Trichinella present in muscle tissue. This disease has a high epidemiological importance, because it is distributed all over the world, mainly due to the free movement of animals and people. Sometimes difficult to diagnosis, clinical signs of trichinosis most characteristic are high fever, myalgia, abdominal pain, eosinophilia, and eye swelling. Treatment of trichinosis is possible through the administration of antiparasitic anthelmintics. The control, or even reducing the incidence of trichinosis is a complex process but it must be supported initially, improving infrastructure of the pig farms, thus creating better health. Similarly, the permanent veterinary supervision is also a prerequisite for the control of new outbreaks by Trichinella spp..

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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