Results 21 to 30 of about 2,266 (124)

Ecologia da comunidade de metazoários parasitos do pargo, Pagrus pagrus (L., 1758) (Osteichthyes, Sparidae) do litoral do Estado do Rio de Janeiro, Brasil

open access: yesActa Scientiarum: Biological Sciences, 2008
Foram examinados 90 espécimes de Pagrus pagrus (Linnaeus, 1758) (Osteichthyes, Sparidae), provenientes do litoral do estado do Rio de Janeiro, Brasil (21-23º S, 41-45ºW), no período de outubro de 1998 a março de 2000, sendo necropsiados para estudo da ...
Aline Rodrigues Paraguassú   +2 more
doaj   +1 more source

Parasite diversity in Oxydoras niger (Osteichthyes: Doradidae) from the basin of Solimões River, Amazonas state, Brazil, and the relationship between monogenoidean and condition factor. [PDF]

open access: yes, 2017
This study describes the parasitic fauna of Oxydoras niger from the Coari Lake, tributary of the medium Solimões River, State of Amazonas, Brazil, and the relationship between the number of Monogenoidea and the condition factor.
JERÔNIMO, G. T.   +3 more
core   +1 more source

Diversity of Parasites in Two Sympatric Species of Brazilian Tetras (Characiformes: Acestrorhamphidae) in the Caatinga Domain, Northeastern Brazil

open access: yesParasitologia
This study investigates the parasitic biodiversity of the fish species Astyanax bimaculatus and Psalidodon fasciatus in a stream located in the Chapada do Araripe Environmental Protection Area (APA), state of Ceará, Brazil, contributing to the ...
Bruno Anderson Fernandes da Silva   +2 more
doaj   +1 more source

Acaricide potencial of andiroba (Carapa guianensis Aubl.) oil on engorged adult females of Anocentor nitens (Neumann, 1897) and Rhipicephalus sanguineus (Latreille, 1806) [PDF]

open access: yes, 2009
In vitro acaricide potential of the oil from andiroba seed (Carapa guianensis) was evaluated on engorged females of Anocentor nitens (n=210) and Rhipicephalus sanguineus (n=140) manually collected, from horses and dogs naturally infested, respectively ...
ALVES, Leucio Camara   +6 more
core   +1 more source

Inventory of Metazoan Parasites Associated with Anostomids in South America

open access: yesLimnological Review
Anostomidae is one of the most diverse families within the order Characiformes and is widely distributed across the river basins of the Neotropical region. Anostomids are known to host a rich diversity of metazoan parasites, including ectoparasites, such
Wallas Benevides Barbosa de Sousa   +2 more
doaj   +1 more source

Spatial distribution of enteroparasites among school children from Guarapuava, State of Paraná, Brazil Distribuição espacial de enteroparasitas em crianças escolares na cidade de Guarapuava, Estado do Paraná, Brasil

open access: yesRevista Brasileira de Epidemiologia, 2007
The most common infections in human beings are caused by intestinal parasites. They can lead to a number of harmful effects, which could include, among others, intestinal obstruction, malnutrition, iron deficiency anemia, diarrhea, and poor absorption ...
Maria Luisa Tunes Buschini   +6 more
doaj   +1 more source

Factores de riesgo ambientales en la transmisión de la leishmaniasis cutánea en una zona endémica del Estado de Tabasco.

open access: yesHorizonte Sanitario, 2014
Objetivo. El objetivo de este trabajo consistió en identificar los factores de riesgo ambientales asociados a la transmisión de la leishmaniasis cutánea en el Municipio de Comalcalco, Tabasco. Material y metodo.
Juliana Gutiérrez Vázquez
doaj   +1 more source

Food intake and ecology of riverine populations in two Amazonian ecosystems: a comparative analysis [PDF]

open access: yes, 2008
OBJETIVO: Este artigo analisa e compara os dados de consumo alimentar de duas populações ribeirinhas da Amazônia vivendo em ecossistemas contrastantes de floresta tropical: a várzea estacional e a floresta de terra firme.
ADAMS, Cristina   +4 more
core   +1 more source

Aspectos quantitativos e morfométricos das infrapopulações de platynosomum illiciens (trematoda: dicrocoeliidae) em paroaria dominicana (passeriformes: emberizidae) do estado da Bahia, Brasil Quantitative and morfometrical aspects in infrapopulations of platynosomum illiciens (trematoda: dicrocoeliidae) in paroaria dominicana (passeriformes: emberizidae) from the state of Bahia, Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2007
Durante o estudo dos metazoários parasitos de Paroaria dominicana Linnaeus, 1758 (Passeriformes), quatro infrapopulações de Platynosomum illiciens (Brown, 1901) (Trematoda) foram coletadas nos ductos hepáticos, com intensidades parasitárias de 10, 11, 18
Adriano R Carvalho   +4 more
doaj   +1 more source

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