Results 91 to 100 of about 8,164 (119)

Clove Oil as Anaesthetic for Juveniles of Matrinxã Brycon cephalus (Gunther, 1869) [PDF]

Ciencia 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
Gilberto Moraes, Luis Inoue, Inoue Luís Antônio Kioshi Aoki   +2 more
exaly   +4 more sources

Physiological Responses Associated With Capture and Crowding Stress in matrinxãBrycon cephalus (Gunther, 1869)

Aquaculture Research, 2004
The dynamics of plasma cortisol, blood glucose, plasma chloride and liver glycogen were investigated in matrinxã (Brycon cephalus) submitted to capture and various periods of crowding.
Elisabeth C Urbinati, Rossineide M Rocha
exaly   +2 more sources

Histopathology Associated With Infection by Procamallanus (Spirocamallanus) Inopinatus (Nematoda) in Farmed Brycon cephalus (Characiformes) From Peru: A Potential Fish Health Problem

Aquaculture International, 2020
We describe the histopathological damage caused by parasite infection in farmed specimens of matrinxã Brycon cephalus, an economic important fish for aquaculture in the Amazon region.
Omar Mertins, Patrick D Mathews
exaly   +2 more sources

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Ultrastructure of the germ cells in the testis of matrinxã, Brycon cephalus (Teleostei, Characidae)

Tissue and Cell, 1999
This study describes at ultrastructural level the germ cells in the testis of matrinxã (Brycon cephalus) raised in captivity. The specimens 'matrinxã' were maintained in four breeding tanks of 200 m(2), at the Aquaculture Research Center at Vale do Ribeira-CEPAR, from Fishery Institute, in Pariquera-Açu City, São Paulo, Brazil.
E, Romagosa, M Y, Narahara, M I, Borella, S F, Parreira, N, Fenerich-Verani   +4 more
openaire   +2 more sources

Hematological responses of the Neotropical teleost matrinxã (Brycon cephalus) to environmental nitrite

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology, 2004
Environmental increase in nitrite impairs the function of several aquatic species, including fishes. Nitrite reacts with hemoglobin yielding the non-functional methemoglobin (metHb), and many physiological disturbances can arise. The physiological mechanisms to cope with nitrite are still unclear in fish.
Ive M, Avilez, Alexandre E, Altran, Lúcia H, Aguiar, Gilberto, Moraes   +3 more
openaire   +2 more sources

Metabolical effects of Folidol 600 on the neotropical freshwater fish matrinxã, Brycon cephalus

Environmental Research, 2004
The neotropical freshwater fish matrinxã, Brycon cephalus (Günther, 1869), was exposed to 1/3 of 96 h-LC50 of Folidol 600 (methyl parathion) for 96 h and allowed to recover for 24, 48, 96, and 192 h. Acetylcholinesterase (AChE), alanine aminotransferase (ALAT), aspartate aminotransferase (AAT), lactate dehydrogenase (LDH), malate dehydrogenase (MDH ...
Lucia Helena, de Aguiar, Gilberto, Moraes, Ive Marchioni, Avilez, Alexandre Eneas, Altran, Cristina Ferro, Corrêa   +4 more
openaire   +2 more sources

Metabolic responses of matrinxã (Brycon cephalus) to dietary protein level

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2005
Effects of increasing dietary protein were studied in matrinxa, (Brycon cephalus), an omnivorous teleost from the Amazon Basin in Brazil. Four isocaloric diets were formulated to contain 20%, 27%, 34% and 41% of crude protein (CP). Plasma glucose levels were significantly increased while triacylglycerols were significantly reduced at 41% of CP.
Vânia Pimentel, Vieira, Luis Antonio Kioshi, Inoue, Gilberto, Moraes   +2 more
openaire   +2 more sources

Loading and transport stress of juvenile matrinxã (Brycon cephalus, Characidae) at various densities

Aquaculture, 2004
Abstract Physiological responses of matrinxa juveniles were determined after the procedures of capture, loading and 4-h transportation at densities of 83, 125 and 166 g l −1 . The experiment was carried out during the regular procedures of the local hatcheries, repeating the real conditions of transportation.
Elisabeth Criscuolo Urbinati, Janessa Sampaio de Abreu, Antônio Cleber da Silva Camargo, Miguel Angel Landinez Parra   +3 more
openaire   +1 more source

Metabolical changes induced by chronic phenol exposure in matrinxã Brycon cephalus (teleostei: characidae) juveniles

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology, 2006
Phenol and its derivatives are xenobiotics present in many industrial wastewaters and in non-specific pesticides. It is a lipophilic compound and, therefore, accumulates along the trophic chain. Phenol is often found in marine and fresh water environments.
Tiago Silvestre Fernandes, Hori, Ive Marchionni, Avilez, Luis Kioshi, Inoue, Gilberto, Moraes   +3 more
openaire   +2 more sources

Effects of dietary aflatoxin on biochemical parameters and histopathology of liver in Matrinxã (Brycon cephalus) and Pacu (Piaractus mesopotamicus) fish

World Mycotoxin Journal, 2021
The objective of this study was to evaluate biochemical parameters and histopathology of liver in Matrinxã (Brycon cephalus) and Pacu (Piaractus mesopotamicus) fish chronically exposed to dietary aflatoxins. Fish feed was artificially contaminated with aflatoxins and the treatments were: Control – feed without toxin; Treatment A – feed + 10 μg ...
E. C. Michelin, C. M. Bedoya-Serna, L. C. S. Carrion, N. Levy-Pereira, F. S. Cury, D. Passarelli, C. G. Lima, G. S. Yasui, R. L. M. Sousa, A. M. Fernandes   +9 more
openaire   +1 more source