Results: 1749

Prevalência e distribuição espacial da ocorrência de helmintos em primatas não humanos de vida livre no estado do Rio de Janeiro, Brasil

Seiscentos primatas neotropicais foram submetidos a exames post mortem para avaliação da prevalência parasitária de helmintos gastrointestinais. Foram examinados 556 calitriquídeos (Callithrix spp.), 23 bugios (Alouatta guariba), 19 macacos-pregos (Sapajus nigritus), um mico-leão-dourado (Leontopit...

Neospora caninum DNA distribution in tissues of gerbils as experimental models of chronic neosporosis

Neospora caninum is the main etiologic agent of neosporosis in domestic animals and its pathogenesis comprises two characteristic phases: acute and chronic. Rodents are used as experimental models to mimic acute and chronic bovine neosporosis. In this study, we inoculated a total of 27 female gerbils, wi...

Occurrence of gastrointestinal parasitic diseases of swine in different production phases in commercial pig farms from the State of Santa Catarina, southern Brazil

Gastrointestinal parasites are important, since they can cause a decrese in the performance of swine. The occurrence of parasites in pig farms can create economic losses such as reduction in the value of carcasses and increasing expenses with medicines and veterinary assistance. This study aimed at inves...

Comparación de tres métodos de concentración de enteroparásitos en muestras fecales humanas
Comparison between three enteroparasite concentration methods in human stool samples

Rev. cuba. med. trop; 72 (2), 2020
Objetivo. Comparar tres métodos de concentración de enteroparásitos en muestras fecales humanas. Métodos. Se diseñó un estudio transversal en el que se evaluaron 154 muestras fecales categorizadas en dos grupos: parasitados (n= 127) y no parasitados (n= 27). Las muestras fueron sometidas a tres ...

Identification of Leishmania species by high-resolution DNA dissociation in cases of American cutaneous leishmaniasis

An. bras. dermatol; 95 (4), 2020
Abstract Background American cutaneous leishmaniasis is an infectious dermatosis caused by protozoa of the genus Leishmania, which comprises a broad spectrum of clinical manifestations depending on the parasite species involved in the infections and the immunogenetic response of the host. The use of tec...

Comparison of novaluron, pyriproxyfen, spinosad and temephos as larvicides against Aedes aegypti in Chiapas, Mexico

Salud pública Méx; 62 (4), 2020
Abstract: Objective: To compare the efficacy of three modern larvicides with the organophosphate temephos for control of Aedes aegypti in water tanks in Chiapas. Materials and methods: Trials were performed to compare the efficacy of pyriproxyfen, novaluron, two formulations of spinosad (granules and t...

Detección de Rickettsia typhi en Rhipicephalus sanguineus s.l. y Amblyomma mixtum en el sur de México

Salud pública Méx; 62 (4), 2020
Resumen: Objetivo: Determinar la presencia de Rickettsia typhi en Rhipicephalus sanguineus s.l. y Amblyomma mixtum, en el sur de México. Material y métodos: Las garrapatas fueron colectadas en humanos y animales domésticos. Se determinó la presencia de Rickettsia por reacción en cadena de la polim...

Composition and abundance of anopheline species according to habitat diversity in Mexico

Salud pública Méx; 62 (4), 2020
Abstract: Objective: To determine the abundance and geographic distribution of the main malaria vectors, which are influenced by habitat characteristics and ecological factors that directly impact adult density and the dynamics of malaria transmission in Mexico. Materials and methods: Samples of larvae...

Prevalencia de parásitos intestinales en muestras de pacientes atendidos en el Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Argentina, 2018-2019

Resumen Se evaluaron retrospectivamente los resultados obtenidos de estudios parasitológicos en muestras de heces y escobillados anales remitidos al Laboratorio de Parasitología y Gastroenterología del Hospital de Pediatría "Prof. Dr. Juan P. Garrahan" de la Ciudad de Buenos Aires, Argentina. El obje...

Trichinella spiralis y Trichinella patagoniensis: estudio de la carga globular aplicando el método de Azul Alcian

Resumen Los residuos de ácido siálico de las glicoproteínas de superficie son los principales responsables de la carga negativa eritrocitaria. El objetivo de este trabajo fue estudiar alteraciones de carga globular producidas por Trichinella spiralis y Trichinella patagoniensis. Se trabajó con concen...