Results 31 to 40 of about 634 (141)

Impacts of Hydroelectric Dams on Amazonian Fisheries: Assessing Functional Attributes in the Madeira River

open access: yesRiver Research and Applications, Volume 41, Issue 7, Page 1493-1502, September 2025.
ABSTRACT The Madeira River is one of the main tributaries of the Amazon Basin, supporting over 1300 known fish species. Fisheries in this region play a critical role for riverine populations, serving as a primary source of income and sustenance. In 2011, the construction of the Jirau and Santo Antônio hydroelectric dams (HEDs) was completed along the ...
Ana Laura Monteiro de Souza   +7 more
wiley   +1 more source

Clove oil as anaesthetic for juveniles of matrinxã Brycon cephalus (Gunther, 1869) [PDF]

open access: yesCiência Rural, 2003
Many chemicals have been used as anaesthetics in fish farms and fish biology laboratories to keep the fish immobilized during handling procedures and to prevent accidents and animal stress. In Brazil, tricaine methane sulfonate (MS 222), quinaldine sulfate, benzocaine, and phenoxyethanol are the most common fish anaesthetics used to prevent fish stress
Inoue, Luis Antônio Kioshi Aoki   +2 more
openaire   +3 more sources

Impact of Vitamin C on Growth, Haemato‐Immunological Characteristics and Stress Tolerance Capability of Climbing Perch, Anabas testudineus (Bloch, 1792)

open access: yesAquaculture, Fish and Fisheries, Volume 5, Issue 2, April 2025.
ABSTRACT Climbing perch, Anabas testudineus, were fed four diets: D0, D500, D1000 and D1500, containing 0, 500, 1000 and 1500 mg of vitamin C per kg of basal diet, respectively, over 70 days. After the growth trial, significantly higher final weight, percent body weight (%WG) and specific growth rate (SGR) were observed in fish fed D1000 followed by ...
Tanwi Dey   +7 more
wiley   +1 more source

Larvicultura de matrinxã em tanques de diferentes cores Matrinxã larviculture in tanks of different colors

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar o efeito de diferentes cores de tanques na larvicultura de Brycon orthotaenia, durante os primeiros dez dias de criação. Foram avaliados tanques de cores claras (branco, azul claro e verde claro) e escuras (marrom e preto). Como alimento, utilizaram-se larvas de Prochilodus costatus, até o quinto dia de alimentação,
Marcelo Mattos Pedreira   +4 more
openaire   +1 more source

Optimization of sustaining swimming speed of matrinxã Brycon amazonicus: performance and adaptive aspects Otimização da velocidade de nado sustentado em matrinxã Brycon amazonicus: rendimento e aspectos adaptativos [PDF]

open access: yes, 2010
Deleterious changes in metabolism, growth performance and body composition may be observed if fish are constrained to swimming continuously or intermittently at over-speeds.
Gilberto Moraes, Gustavo Arbeláez-Rojas
core   +1 more source

Índices de condición corporal de Matrinxã Brycon Amazonicus del Río Juruá, Amazonas

open access: yes, 2015
  This study aims the determination of length-weight relationship (LWR), hepatosomatic (HSR), splenosomatic (SSR) and viscerosomatic (VSR) relation, relative condition factor (Kn) and relationships between body index of Brycon amazonicus matrinxã from ...
LIMA ARAÚJO, RAYZA   +5 more
core   +2 more sources

Respostas metabólicas do matrinxã submetido a banhos anestésicos de eugenol = Metabolic responses of matrinxã to eugenol in anesthetic baths

open access: yesActa Scientiarum: Biological Sciences, 2007
O matrinxã (Brycon amazonicus) é uma espécie de interesse comercial. Porém, este peixe movimenta-se em excesso durante práticas de manejo, podendo sofrer ferimentos e perdas de escamas que, muitas vezes, resultam em taxas elevadas de mortalidade. O eugenol, principal componente do óleo de cravo, tem sido bastante utilizado como umanestésico alternativo
Gilberto Moraes   +2 more
openaire   +1 more source

Heparina e EDTA como anticoagulantes para matrinxã (Brycon amazonicus). [PDF]

open access: yes, 2018
O objetivo deste estudo foi avaliar a eficácia da heparina de sódio e do EDTA como anticoagulantes e o efeito destes fármacos sobre os parâmetros hematológicos de matrinxã (Brycon amazonicus)
CHAGAS, E. C.   +4 more
core  

Apparent digestibility of juveniles of matrinxã Brycon amazonicus fed diets with different protein levels

open access: yes, 2021
. The objective of the present study was to determine the apparent digestibility of juveniles of matrinxã Brycon amazonicus fed diets with different levels of protein.
Jackson Pantoja-Lima (12472374)   +3 more
core   +1 more source

Feijão-caupi na nutrição de juvenis de matrinxã. [PDF]

open access: yes, 2019
O matrinxã é um caracídeo onívoro que aproveita de forma eficiente alimentos de origem vegetal e por este motivo foi utilizado o feijão-caupi, uma leguminosa cultivada por pequenos produtores nas regiões Norte e Nordeste.AQUACIÊNCIA ...
LITAIFF, I. M., DAIRIKI, J. K.
core  

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