Results 51 to 60 of about 314 (167)

Effect of a fat-free diet and of different dietary fatty acids (palmitate, oleate, and linoleate) on the fatty acid composition of fresh-water fish lipids

open access: yesJournal of Lipid Research, 1963
When fresh-water fish Pimelodus maculatus were fed a fat-deficient diet, the concentration of linoleic and arachidonic acids in glycerides and phospholipids decreased, and the concentration of palmitic, palmitoleic, oleic, and eicosatrienoic acids ...
R.R. Brenner, D.V. Vazza, M.E. De Tomás
doaj   +1 more source

Parasitofauna de Pimelodus maculatus (Osteichthyes: Pimelodidae) do rio Itajaí-Açu em Blumenau, Estado de Santa Catarina, Brasil = Parasitic fauna of Pimelodus maculatus (Osteichthyes: Pimelodidae) from the Itajaí-Açu river in Blumenau, state of Santa Catarina, Brazil

open access: yesActa Scientiarum: Biological Sciences, 2007
Pouco se conhece sobre a parasitofauna de peixes de água doce no Estado de Santa Catarina. Espécimes de mandi, Pimelodus maculatus foram coletados no rio Itajaí-Açu, Blumenau, Estado de Santa Catarina, entre março e dezembro de 2005, para análise ...
Fernanda Bachmann   +6 more
doaj  

First record of an epibiont protozoan Epistylis sp. (Ciliophora, Peritrichia) attached to Ergasilus chelangulatus (Ergasilidae) in Brazil

open access: yesBrazilian Journal of Biology
In the present paper, we described the first record of an epibiont protozoan Epistylis sp. Ehrenberg, 1830 (Ciliophora, Peritrichia) attached to Ergasilus chelangulatus Thatcher and Brasil-Sato, 2008, parasite of Pimelodus maculatus Lacépède, 1803 in ...
RK. Azevedo   +3 more
doaj   +1 more source

Use of the gills of Pimelodus maculatus (Lacèpéde, 1803) (Siluriformes, Pimelodidae) as a biomarker of pollution in the reservoir of UHE Marechal Mascarenhas de Moraes, Minas Gerais, Brazil [PDF]

open access: yesBiotemas, 2011
The gills of fish are biomarkers of environmental toxicity which are often used to assess the impacts of xenobiotics. This study aims to evaluate the contamination of the reservoir Marechal Mascarenhas de Moraes, through the estimation ofthe rate of ...
Diego José Nogueira   +3 more
doaj  

First report of the characterization of the pathophysiological mechanisms caused by the freshwater catfish Pimelodus maculatus (order: Siluriformes)

open access: yesToxicon, 2015
Injuries caused by aquatic animals in Brazil in most cases are provoked by marine and freshwater catfish. Pimelodus maculatus is a freshwater catfish very common in Brazilian basins that causes frequent accidents mainly amongst fishermen, and whose venom characteristics and pathological mechanisms of the venom are poorly known. In the present study for
Sarmiento, Beatriz Elena   +8 more
openaire   +3 more sources

Maturation curve of the ovary of Pimelodus maculatus Lac. (Siluroidei, Teleostei)

open access: yesBoletim do Instituto de Pesca, 2018
O presente trabalho tem como objetivo pesquisar, paralelamente ao estudo macro e microscópico dos estádios gonadais e dentro da metodologia mais objetiva possí­­vel, variáveis que, dependente da evolução gonadal, chegassem a constituir função da mesma e assim, permitissem-nos, simultaneamente, representá-las através de expressões matemáticas.
H. Godinho   +3 more
openaire   +1 more source

The structure of the monogenean community on the gills of Pimelodus maculatus in Río de la Plata (Argentina)

open access: yesParasitology, 1999
The Monogenea fauna was studied from the gills of the catfish Pimelodus maculatus. Fish were caught from Río de la Plata, in Buenos Aires harbour (Argentina). Five species of Monogenea were found. The structure of the monogenean community was analysed at the component and infracommunity level.
P A, Gutiérrez, S R, Martorelli
openaire   +2 more sources

Hematology, micronuclei and nuclear abnormalities in fishes from São Francisco river, Minas Gerais state, Brazil = Hematologia, micronúcleos e anomalias nucleares em peixes do rio São Francisco, Estado de Minas Gerais, Brasil

open access: yesActa Scientiarum: Biological Sciences, 2011
This study aimed to determine the variables leukocytary, erythrocytary, frequency of micronuclei and nuclear abnormalities in peripheral erythrocytes of Prochilodus argenteus, Pimelodus maculatus and Myleus micans from São Francisco river basin, Minas ...
Robson Seriani   +3 more
doaj  

Variações temporais e ontogenéticas na dieta de um peixe onívoro em ambiente impactado (reservatório) e em ambiente natural (baía) da bacia do rio Cuiabá = Temporal and ontogenetic diet changes of omnivorous fish in an impacted (reservoir) and in a natural environment (lagoon)

open access: yesActa Scientiarum: Biological Sciences, 2007
Neste trabalho, foram avaliadas as variações temporais e ontogenéticas na dieta de Pimelodus maculatus no reservatório de Manso e na baía Sinhá Mariana, Estado do Mato Grosso.
Edson Lourenço da Silva   +2 more
doaj  

Cytogenetic study of two species of the family Pimelodidae (Siluriformes) collected in lago Guaíba, Rio Grande do Sul, Brazil

open access: yesNeotropical Ichthyology
A cytogenetic study was conducted on specimens of Parapimelodus nigribarbis and Pimelodus maculatus collected in the lago Guaíba drainage, Porto Alegre, Rio Grande do Sul, Brazil.
Fernando Rodrigo Treco   +3 more
doaj   +1 more source

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