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Carvalho, Adriano Reder; UFRRJ; Tavares, Luiz Eduardo; UFRRJ; Luque, Jose Luis; UFRRJ. |
O presente trabalho estuda a variação sazonal dos metazoários parasitos de Geophagus brasiliensis do rio Guandu, Estado do Rio de Janeiro, Brasil. Para isso foram realizadas quatro coletas trimestrais de 50 espécimes de G. brasiliensis entre abril de 2006 e março de 2007, nas diferentes estações do ano. Foram coletadas 14 espécies de metazoários parasitos: seis digenéticos (Crassicutis sp. em estágio adulto, e cinco tipos de metacercárias, Austrodiplostomum compactum, Diplostomulum sp., Neascus tipo 1, Neascus tipo 2 e Posthodiplostomum sp.); três nematóides (larvas de Contracaecum sp., adultos de Cucullanus sp. e Procamallanus (Procamallanus) peraccuratus) ; o monogenético (Sciadicleithrum guanduensis); o acantocéfalo (Neoechinorhynchus paraguayensis);... |
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Palavras-chave: 2.13.00.00-3 Sazonalidade; Ecologia parasitária; Helmintos; Geophagus brasiliensis; Brasil Parasitologia Seasonality; Parasite ecology; Helminth; Geophagus brasiliensis; Brazil. |
Ano: 2010 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/4883 |
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Monteiro,Cassandra M.; Brasil-Sato,Marilia C.. |
This work examined the possible preference of Saccocoelioides nanii Szidat, 1954 for the three major intestinal portions of Prochilodus argenteus Agassiz, 1829 and statistically evaluated whether the river water level dynamic interfered in the parasite's ecological parameters and in its transmission to the definitive host. One-hundred-fifty specimens of P. argenteus were collected in July, 2003 (dry season) and in January, 2004 (rainy season) in the upper São Francisco River, State of Minas Gerais, Brazil. Of the 150 hosts, 96 (64%) were parasitized by S. nanii. The mean intensity and abundance were 32.6 ± 34.8 and 20.8 ± 31.9, respectively, and the range of infection intensity was from 1 to 177. The abundance of S. nanii was higher in the middle intestine... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Niche; Parasite ecology; São Francisco Basin. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500013 |
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Iannacone,José. |
A quantitative research of parasites of 67 endemic frog Telmatobius jelskii (Peters, 1863) collected from Laguna Tucto (76°46'11"W, 10°39'11"S) where Pativilca River is originated was conducted, and was located in the Province of Oyon, high Andean area from the Department of Lima, Peru during September-October 2000. Of the frogs collected, 23 were females and 44 males. Male showed a length between 5.2 ± 0.5 cm (range = 4.0-6.4 cm) and female between 5.5 ± 1 cm (range = 3.9-7.6 cm) and were not found differences between both sexes. 86 specimens of parasite and three species in total during all the survey were collected. 28 hosts were infected (41.8%). twenty-five hosts (37.3%) showed infection with one parasite species, and three (4.5%) had two parasite... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aplectana; Cylindrotaenia; Gorgoderina; Parasite ecology. |
Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000100016 |
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