Results 31 to 40 of about 198 (150)

Community‐Led Assessment of Risk from Exposure to Mercury by Native Amerindian Wayana in Southeast Suriname

Journal of Environmental and Public Health, Volume 2012, Issue 1, 2012., 2012
This study was a collaboration between Western public health researchers and Suriname indigenous communities. The question asked was “how can Western researchers effectively engage traditional indigenous communities in Suriname, South America, in public health research”. The approach used a combination of Participatory Action Research methods in which “
Daniel Peplow, Sarah Augustine, Rainer Schulin   +2 more
wiley   +1 more source

Crude protein requirements in feeding for hybrid jundiara (Pseudoplatystoma fasciatum x Leiarius marmoratus)

Research, Society and Development, 2020
The objective of this study was to determine the crude protein requirements for juvenile jundiara fish, a hybrid of Pseudoplatystoma fasciatum X Leiarius marmoratus. A total of 240 juveniles of the hybrid, with an initial mean weight of 8.4 ± 1.41 g, were distributed in 15 fiberglass tanks (170 L) in a closed water recirculation and constant aeration ...
Rafael Pereira Barros, Joaldo Rocha Luz, Ana Paula de Souza Ramos, Deise Silva Costa, Luís Gustavo Tavares Braga   +4 more
openaire   +2 more sources

OS ARGULÍDEOS (CRUSTACEA: BRANCHIURA) DA AMAZÔNIA BRASILEIRA 4 ASPECTOS DA ECOLOGIA DE ARGULUS MULTICOLOR STEKHOVEN, 1937 E ARGULUS PESTIFER RINGUELET, 1948. [PDF]

Acta Amazonica, 1983
Resumo A especificidade parasitária, áreas de fixação, hospedeiros naturais, índices de infestação e variação sazonai de Argulus multicolor e Argulus pestifer foram estudados durante o período de março de 1979 a março de 1980, no Janauacá, um lago de ...
José Celso de Oliveira Malta
doaj   +1 more source

Glucose tolerance in six fish species reared in Brazil: Differences between carnivorous and omnivorous

Anais da Academia Brasileira de Ciências, 2021
The objective of this study was to evaluate the effect of pure glucose, glucose plus fructose, and fructose on the blood glucose of omnivorous fish tambaqui (Colossoma macropomum), Nile tilapia (Oreochromis niloticus), piau (Leporinus elongatus), and ...
ANDERSON M. DE SOUZA, CARLOS E. COPATTI, DANIELA F.B. CAMPECHE, FÚLVIO V.S.T. DE MELO, JOSÉ F.B. MELO   +4 more
doaj   +1 more source

Histological Characterization and Oocyte Development in Pearlspot, Etroplus suratensis (Bloch, 1790) From Vembanad Lake, Kerala, India

Aquaculture, Fish and Fisheries, Volume 6, Issue 2, April 2026.
ABSTRACT This study is the first to elucidate the oocyte growth pattern of Etroplus suratensis through detailed gonad histology. Ovary samples from different maturity stages were collected from October 2023 to September 2024 from cage culture systems installed in Vembanad Lake, Kumbalangi, Kerala, India.
Mohammad Saddam Hussain, Mahadevan Harikrishnan, Dinesh Yadav, Betsee Thomas, Keerthana PV, Nikhila Khanna AR, Haritha Haridas, Mohamad Husneid Azad, Akhil Soman   +8 more
wiley   +1 more source

NON-STARCH POLYSACCHARIDE IN DIETS FOR HYBRID SURUBIM: EFFECTS ON METABOLISM PLASTICITY

Boletim do Instituto de Pesca, 2019
This study aimed to analyze the effect of mango meal, a non-starch polysaccharide, as a carbohydrate source on the metabolism plasticity and performance indicators for hybrid surubim (Pseudoplatystoma fasciatum x P.
Douglas Henrique de Holanda ANDRADE, Janilson Felix SILVA, José Fernando Bibiano MELO, Ranilson de Souza BEZERRA   +3 more
doaj   +1 more source

Parasites Are Paramount: Vertical Trophic Positions of Parasitic Catfishes in a Tropical River Food Web

Ecology of Freshwater Fish, Volume 34, Issue 4, October 2025.
ABSTRACT The Neotropical catfish family Trichomycteridae contains parasitic fishes that include scale and mucus feeders (subfamily Stegophilinae) and blood feeders (i.e., ‘candirus’, subfamily Vandelliinae). The influence of parasitic catfishes on food web dynamics is unknown.
Carmen G. Montaña, Chase Nimee, Sophie Scott, Megan Beeksma, Kendall Hasting, Takiya Jackson, Leslie Kelso‐Winemiller, Kirk O. Winemiller   +7 more
wiley   +1 more source

Contaminação por metais pesados em peixes e água da bacia do rio Cassiporé, Estado do Amapá, Brasil [PDF]

Acta Amazonica, 2015
A participação dos metais pesados nas reações químicas do metabolismo dos peixes tornou esses elementos um dos principais focos nos estudos de contaminação.
Daniel Pandilha de LIMA, Cesar SANTOS, Roberto de Souza SILVA, Eliane Tie Oba YOSHIOKA, Roberto Messias BEZERRA   +4 more
doaj   +2 more sources

Conservation status and spatiotemporal distribution of fish with socioeconomic importance in the Amazonia-Cerrado transition zone [PDF]

Acta Amazonica
On the southern edge of Brazilian Amazonia, within the Araguaia-Tocantins Basin, the Araguaia River and its main tributary, the Mortes River, are of high ecological, geopolitical and socioeconomic importance.
Carolina MANCINI, Beatriz S. MARIMON, Facundo ALVAREZ, Daiana CARDOSO SILVA, Claumir C. MUNIZ, Cesar E. de MELO   +5 more
doaj   +1 more source

Mercurio total en bagre rayado y bocachico del río Meta, Colombia

Revista U.D.C.A Actualidad & Divulgación Científica, 2021
El consumo de pescado contaminado con mercurio representa un grave problema para la salud humana, en especial, en poblaciones, en las cuales, forma parte de su dieta diaria.
Santiago Valbuena-Rodríguez, Miguel Ángel Navarro-Ramírez   +1 more
doaj   +1 more source