Results 1 to 10 of about 840 (180)

Effects Caused by the Ingestion of Microplastics: First Evidence in the Lambari Rosa (Astyanax altiparanae) [PDF]

Animals, 2023
Microplastics are a class of contaminants that pose a threat to aquatic biota, as they are easily found in aquatic ecosystems and can be ingested by a wide variety of organisms, such as fish.
Ana Laura Athayde Lourenço, Glaucia Peregrina Olivatto, Adijailton José de Souza, Valdemar Luiz Tornisielo   +3 more
doaj   +5 more sources

Effect of photoperiod stress assessment and locomotor activity of female lambari (Astyanax bimaculatu) [PDF]

Ciencia E Agrotecnologia, 2014
Some studies and scientific investments have been done in aquaculture aiming to minimize the stress of the fish due to different factors, as management, nutritional status, water quality, temperature, photoperiod, and salinity. This study aimed to verify
Fernanda Keley Silva Pereira Navarro, Rodrigo Diana Navarro   +1 more
exaly   +6 more sources

Bioaccumulation and Depletion of the Antibiotic Sulfadiazine ¹⁴C in Lambari (Astyanax bimaculatus) [PDF]

Animals, 2023
Antibiotics are present in the environment, primarily due to their release through wastewater treatment plants, agricultural practices, and improper disposal of unused medications.
Patrícia Alexandre Evangelista, Felipe Machado de Oliveira Lourenço, Darmin Chakma, Chironjit Kumar Shaha, Almamy Konate, Rodrigo Floriano Pimpinato, Helder Louvandini, Valdemar Luiz Tornisielo   +7 more
doaj   +4 more sources

Preferência alimentar de juvenis de lambari-cachorro, Oligosarcus hepsetus, em relação a duas espécies de presas de peixe em ambiente controlado [PDF]

Ciencia Rural, 2014
O presente trabalho foi baseado em dados pretéritos sobre a dieta natural do lambari-cachorro Oligosarcus hepsetus em um reservatório do Sudeste brasileiro, e com isso foi testada a preferência alimentar desse carnívoro, a partir de experimentos com ...
Alejandra Filippo Gonzalez Neves Dos Santos, Luciano Neves Dos Santos   +1 more
exaly   +4 more sources

Native Fish Inclusion Promotes Nutrient Retention and Productivity in a Biofloc-Based Aquaponic System [PDF]

Animals
The integration of multiple species has been proposed as a strategy to improve resource use efficiency in intensive aquaculture systems. This study evaluated the inclusion of a native fish species, yellowtail lambari (Astyanax bimaculatus), in a biofloc ...
Adolfo Jatobá, Bruno Corrêa da Silva, Felipe Boéchat Vieira, Marco Shizuo Owatari, Leonardo Alexander Krause, Amanda Dartora, Maísa de Lima Lasala, Keren Fagundes Morais, Jaqueline I. A. de Andrade   +8 more
doaj   +2 more sources

Effect of the inclusion of fish residue oils in diets on the fatty acid profile of muscles of males and females lambari (Astyanax altiparanae) [PDF]

Revista Brasileira de Zootecnia, 2012
This study evaluated the effects of two lipids sources of fish residue (tilapia and salmon) compared with a vegetable oil source (soybean oil) on the fatty acid profiles of male and female lambari. This experiment was developed in a completely randomized
Ligia Uribe Gonçalves, Felipe Ferroli, Elisabete Maria Macedo Viegas   +2 more
doaj   +2 more sources

Integrating ontogenetic shift, growth and mortality to determine a species' ecological role from isotopic signatures. [PDF]

PLoS ONE, 2015
Understanding species linkages and energy transfer is a basic goal underlying any attempt at ecosystem analysis. Although the first food-web studies were based on gut contents of captured specimens, the assessment of stable isotopes, mainly δ13C and δ15N,
Nelson F Fontoura, Lúcia R Rodrigues, Cibele B Batista, Tanilene S P Persch, Mariola E Janowicz   +4 more
doaj   +2 more sources

Stocking densities on the reproduction of lambari (Astyanax lacustris) in a recirculating aquaculture system, with considerations on growth and water quality [PDF]

Arquivo Brasileiro De Medicina Veterinaria E Zootecnia
This study evaluated the impact of different stocking densities of lambari (Astyanax lacustris) on the reproduction, growth, and water quality in a recirculating aquaculture system (RAS) in Brazil's semi-arid region.
E.J. Fernandes, J.C.S. Souza, L.A. Moura, N.J. Silva, V.R. Leite, A.M.L. Souza, M.N.P. Dias, U.L. Silva, C.C. Hilbig, G.S. Yasui, N.F. Nascimento   +10 more
exaly   +3 more sources

Reproductive aspects of an isolated population of Psalidodon aff. fasciatus (Teleostei: Characidae) from southern Brazil

Acta Limnologica Brasiliensia, 2023
: Aim To investigate reproductive characteristics in a small population of Psalidodon aff. fasciatus living in isolation in an environment with a unique geological configuration, a doline-shaped depression (known as Furna 2), with a mean diameter of 80 ...
Franciele Fernanda Kerniske, Luz Elena De la Ossa-Guerra, Roger Henrique Dalcin, Igor de Paiva Affonso, Roberto Ferreira Artoni, Vinícius Abilhoa   +5 more
doaj   +1 more source

Experiência e racionalidade estética no trabalho docente

Devir Educação, 2020
Compreender o trabalho docente como experiência, incorporar a racionalidade estética e o cuidado de si tornam-se condições para a sua valorização. O enfraquecimento e a precarização das atividades educativas na sociedade contemporânea tem provocado ...
Mauricio Inácio dos Santos, Carlos Betlinski   +1 more
doaj   +1 more source