Results 21 to 30 of about 1,227 (168)

The 2,4-D herbicide effects on acetylcholinesterase activity and metabolic parameters of piava freshwater fish (Leporinus obtusidens)

Ecotoxicology and Environmental Safety, 2008
The effects of 2,4-D (1 or 10 mg/L) on acetylcholinesterase (AChE) and metabolic parameters were evaluated in piava (Leporinus obtusidens) after 96 h. AChE activity was significantly reduced in the brain at a concentration of 10 mg/L and in the muscle at both concentrations tested.
Milene Braga, da Fonseca, Lissandra, Glusczak, Bibiana Silveira, Moraes, Charlene Cavalheiro, de Menezes, Alexandra, Pretto, Miguel Angel, Tierno, Renato, Zanella, Fábio Ferreira, Gonçalves, Vânia Lúcia, Loro   +8 more
openaire   +4 more sources

Circadian changes in thyroid hormones of piau, Leporinus obtusidens Valenciennes, 1847 (Osteichthyes, Anostomidae) after feeding - DOI: 10.4025/actascibiolsci.v31i4.5814

Acta Scientiarum: Biological Sciences, 2009
To evaluate circadian changes in thyroid hormones of piau, Leporinus obtusidens Valenciennes, 1847, (Osteichthyes, Anostomidae) after feeding were determined the plasma levels of thyroid hormones (TH) of 128 fishes, same age, immature, both sexes ...
Walter Dias Junior, Lea Rosa Mourgués-Schurter   +1 more
doaj   +5 more sources

Incubação de ovos e larvicultura da piava, Leporinus obtusidens: efeito do pH

Boletim do Instituto de Pesca, 2018
O objetivo deste estudo foi avaliar o efeito do pH da água durante a incubação dos ovos e a larvicultura de Leporinus obtusidens. Durante a incubação dos ovos foram testados os pH 5,0, 7,0 e 9,0.
Mário Augusto GOSMANN, Alex Pires de Oliveira NUÑER   +1 more
doaj   +1 more source

Replacement of soybean meal by linseed meal in diets for piava (Leporinus obtusidens)
Substituição do farelo de soja pelo farelo de linhaça em dietas para a piava (Leporinus obtusidens)

Semina: Ciências Agrárias, 2013
The aim of this study was evaluate the replacement of soybean meal by linseed meal on growth of piava juveniles. The experiment was carried on fish farming laboratory of UFSM/CESNORS, on March to April, 2011.
Dirleise Pianesso, Rafael Lazzari, Patrícia Inês Mombach, Taida Juliana Adorian, Juliano Uczay, João Radünz Neto, Tatiana Emanuelli   +6 more
doaj   +1 more source

Glyphosate-based herbicide affects biochemical parameters in Rhamdia quelen (Quoy & Gaimard, 1824 and) Leporinus obtusidens (Valenciennes, 1837) [PDF]

Neotropical Ichthyology, 2015
Rhamdia quelen (silver catfish) and Leporinus obtusidens (piava) were exposed to a commercial formulation Roundup(r), a glyphosate-based herbicide at concentrations of 0.2 or 0.4 mg/L for 96 h.
Vania Lucia Loro, Lissandra Glusczak, Bibiana S. Moraes, Claudio A. M. Leal, Charlene Menezes, Camila R. Murussi, Jossiele Leitemperger, Maria Rosa C. Schetinger, Vera Maria Morsch   +8 more
doaj   +3 more sources

Circadian changes in thyroid hormones of piau, Leporinus obtusidens Valenciennes, 1847 (Osteichthyes, Anostomidae) after feeding = Variações circadianas dos hormônios tireoidianos de piau, Leporinus obtusidens Valenciennes, 1847 (Osteichthyes, Anostomidae) após alimentação

Acta Scientiarum: Biological Sciences, 2009
To evaluate circadian changes in thyroid hormones of piau, Leporinusobtusidens Valenciennes, 1847, (Osteichthyes, Anostomidae) after feeding were determined the plasma levels of thyroid hormones (TH) of 128 fishes, same age, immature, both sexes ...
Walter Dias Junior, Lea Rosa Mourgués-Schurter   +1 more
doaj   +1 more source

Oxitetraciclina para marcação quí­­mica de juvenis de piava Leporinus obtusidens: determinação de doses e duração do tratamento

Boletim do Instituto de Pesca, 2018
O objetivo deste estudo foi definir concentrações e tempos de imersão para a marcação quí­­mica de juvenis de Leporinus obtusidens por meio de oxitetraciclina (OTC).
Mariana Roza de ABREU, Túlio Barbosa ARANTES, Samara HERMES-SILVA, Evoy ZANIBONI-FILHO   +3 more
doaj   +1 more source

Caracterización microbiológica y fisicoquímica de carne de boga (Leporinus obtusidens) impregnada con jugo de limón

Acta Agronómica, 2021
La carne de pescado es altamente perecedera y microbiológicamente sensible. Este trabajo tuvo como objetivo caracterizar la carne de boga (Leporinus obtusidens) y evaluar el efecto de impregnación a vacío con jugo de limón en sus características microbiológicas y fisicoquímicas.
Elisa Fernanda Naef, María Victoria Aviles, Daniela Flavia Olivera, Rosa Ana Abalos, Maria Beatriz Gómez, Liliana Haydeé Lound   +5 more
openaire   +2 more sources

Predicted impacts of proposed hydroelectric facilities on fish migration routes upstream from the Pantanal wetland (Brazil)

River Research and Applications, Volume 36, Issue 3, Page 452-464, March 2020., 2020
Abstract There are 104 hydroelectric facilities proposed to be installed in the watersheds that feed the Pantanal, a vast floodplain wetland located mostly in Brazil. The Pantanal is host to 23 long‐distance migratory fish species that ascend upland tributaries to spawn.
Marcel Medinas de Campos, Hans M. Tritico, Pierre Girard, Peter Zeilhofer, Stephen K. Hamilton, Ibraim Fantin‐Cruz   +5 more
wiley   +1 more source

Composição corporal e crescimento de juvenis de piava alimentados com dietas contendo farinhas de trigo e milho submetidas ao cozimento Body composition and growth of piava juveniles fed with diets containing corn and wheat flours submitted to the cooking

Ciência Rural, 2007
Neste trabalho, foi avaliado o efeito do cozimento das farinhas de milho e trigo na composição corporal e crescimento de piavas. Foram utilizados 300 juvenis (peso no médio inicial=8,03 ± 0,02g), alimentados durante 60 dias, uma vez ao dia (3%PV).
Rafael Lazzari, João Radünz Neto, Fabio de Araújo Pedron, Cátia Aline Veiverberg, Giovani Taffarel Bergamin, Viviani Corrêia, Suzete Rossato, Tatiana Emanuelli, Cristiane Portes Ribeiro   +8 more
doaj   +1 more source