Results 31 to 40 of about 1,677 (195)

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

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

VARIABILIDAD GENÉTICA DE Pseudoplatystoma fasciatum (Linnaeus, 1766) Y Pseudoplatystoma tigrinum (Valenciennes, 1840), EN LA AMAZONÍA PERUANA

Folia Amazónica, 2007
La variabilidad genética de Pseudoplatystoma fasciatum y P. tigrinum fue estimada en tres localidades de la Amazonía peruana mediante las técnicas "Exon - Primed Intron - Croosing" (EPIC) y "Restriction Fragment Length Polymorphism (RFLP). Un total de 102 especímenes fueron analizados con tres sistemas intrónicos (Ck, RPEX y PmOPSI).
RODRÍGUEZ-BRAVO, Javier, IGLESIAS-VÁSQUEZ, Adriana, RENNO, Jean François, ALCANTARA-BOCANEGRA, Fernando, GARCÍA-DÁVILA, Carmen Rosa   +4 more
openaire   +3 more sources

Occurrence and significance of ovarian and follicular regression in cachara Pseudoplatystoma fasciatum (Linnaeus, 1766): a histology approach Ocorrência e importância da regressão ovariana e folicular em cacharas, Pseudoplatystoma fasciatum (Linnaeus, 1766): enfoque histológico

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
The processes of ovarian regression and follicular atresia which reproduction was not induced by hormone in confined cachara, Pseudoplatystoma fasciatum, were investigated. The macro and microscopic characteristics (oocytes diameter and histology) of the
A.F.G. Leonardo, E. Romagosa, S.R. Batlouni, M.I. Borella   +3 more
doaj   +1 more source

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

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

A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]

, 2016
Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo, Honji, Renato Massaaki, Lo Nostro, Fabiana Laura, Moreira, Renata G., Pandolfi, Matias   +4 more
core   +2 more sources

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

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