Results 31 to 40 of about 538 (175)

Histopathology of gills of Piaractus mesopotamicus (Holmberg, 1887) and Prochilodus lineatus (Valenciennes, 1836) infested by monogenean and myxosporea, caugth in Aquidauana River, State of Mato Grosso do Sul, Brazil Histopatologia de brânquias de Piaractus mesopotamicus (Holmberg, 1887) e Prochilodus lineatus (Valenciennes, 1836) parasitados por monogêneas e mixosporídios, capturados no Rio Aquidauana, Mato Grosso do Sul, Brasil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2011
A histological analysis was conducted on the gills of 15 Piaractus mesopotamicus and 19 Prochilodus lineatus specimens collected between April and November 2004 from the Aquidauana River, State of Mato Grosso do Sul, Central-West Brazil, to describe the ...
Cristiane Meldau de Campos   +2 more
doaj   +1 more source

Cellular responses of Prochilodus lineatus hepatocytes after cylindrospermopsin exposure

open access: yesToxicology in Vitro, 2011
Cylindrospermopsin is a potent toxicant for eukaryotic cells produced by several cyanobacteria. Recently, primary hepatocyte cultures of Neotropical fish have been established, demonstrating to be a quite efficient in vitro model for cellular toxicology studies.
Liebel, S.   +8 more
openaire   +2 more sources

Influência de plâncton, dieta artificial e sua combinação, sobre o crescimento e sobrevivência de larvas de curimbatá (Prochilodus lineatus)

open access: yesActa Scientiarum: Animal Sciences, 2008
Avaliaram-se os efeitos da utilização de plâncton, dieta artificial com 24% ou 30% de proteína bruta (PB), e sua combinação sobre o desempenho de larvas de curimbatá, durante um período de 28 dias. Foram utilizados 600 animais com peso vivo inicial médio
Valéria Rosseto Barriviera Furuya   +4 more
doaj   +1 more source

The use of morphometric analysis to predict the swimming efficiency of two Neotropical long-distance migratory species in fish passage

open access: yesNeotropical Ichthyology
This study investigated the external body morphology (based on morphometric data) and the swimming efficiency in fish passages (based on the ascent time in a fish ladder) of two Neotropical long-distance migratory species.
Lucileine de Assumpção   +6 more
doaj   +1 more source

Localization and distribution of CCK-8, NPY, Leu-ENK-, and Ghrelin- in the digestive tract of Prochilodus lineatus (Valenciennes, 1836) [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
This study describes the histological characteristics and distribution of gastrointestinal tract endocrine cells (ECs) of Prochilodus lineatus (detritivorous fish) using immunohistochemical procedures. The digestive tract of P.
CARLOS E. BARRIOS   +4 more
doaj   +1 more source

Statistical distribution models for migratory fish in Jacuí basin, South Brazil

open access: yesNeotropical Ichthyology
The aim of the present study was to identify the distribution patterns of migratory fishes in the Jacuí river basin (Rio Grande do Sul, South Brazil), proposing a statistical model of presumed distribution based on geomorphologic environmental data ...
Thaís P. Alves, Nelson F. Fontoura
doaj   +1 more source

Sobrevivência de alevinos de Prochilodus lineatus (Valenciennes) submetidos a valores extremos de pH

open access: yesActa Scientiarum: Animal Sciences, 2008
A determinação dos níveis letais de pH é informação essencial para o cultivo de determinada espécie de peixe, haja vista que a tolerância do pH varia com a espécie.
Evoy Zaniboni Filho   +4 more
doaj   +1 more source

Menthol and eugenol as natural anesthetics for early juveniles of curimba

open access: yesRevista Brasileira de Zootecnia, 2018
The objective of this study was to evaluate menthol and eugenol as anesthetics for early juveniles of curimba, Prochilodus lineatus. Juveniles of 4.0±0.5 g and a total length of 8.8±0.1 cm were exposed to the anesthetics menthol (20, 30, 40, 50, 60, 70 ...
Elias Fernandes de Medeiros Junior   +6 more
doaj   +1 more source

Fish Assemblages in an Urbanized Neotropical Basin: Influence of Environmental Factors Across Dry and Rainy Periods

open access: yesInternational Review of Hydrobiology, Volume 111, Issue 2, December 2026.
ABSTRACT This study investigated the effects of season and environmental disturbances on fish communities in neotropical rivers of the Sorocaba basin, a Sub‐Basin of the Paraná River in Southeast Brazil, based on sampling 1196 individuals from 49 species, including two non‐native and one threatened with extinction.
Natalia S. Alves   +2 more
wiley   +1 more source

Histopathologic changes in the kidney tissue of Prochilodus lineatus Valenciennes, 1836 (Characiformes, Prochilodontidae) induced by sublethal concentration of Trichlorfon exposure

open access: yesBrazilian Archives of Biology and Technology, 2002
Studies were carried out to analyse the kidney histopathological alterations of "curimbatá", Prochilodus lineatus, were analyzed. An acute bioassay was made by the water contamination with 0.2muml/l of Dipterex 500 (Trichlorfon).
Marcelo Leite da Veiga   +3 more
doaj   +1 more source

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