Results 91 to 100 of about 9,725 (254)

Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance

open access: yesFood Science &Nutrition, Volume 13, Issue 11, November 2025.
Even though histamine plays an important role in human health, it has been associated with food intoxication and intolerance episodes. The most relevant, current state of knowledge regarding histamine's biochemical and health aspects is provided. Histamine levels are provided for 17 food groups, including 335 food types and 11,437 samples, allowing ...
Maria Beatriz A. Gloria   +6 more
wiley   +1 more source

A eficácia do mentol como anestésico para tambaqui (Colossoma macropomum, Characiformes: Characidae) Efficacy of menthol as an anesthetic for tambaqui (Colossoma macropomum, Characiformes: Characidae)

open access: yesActa Amazonica, 2005
Os anestésicos são importantes na piscicultura para reduzir o estresse e a mortalidade no manejo. Este trabalho tem como objetivo determinar a eficácia do mentol para tambaqui durante o manejo.
Michelle Ferreira Façanha   +1 more
doaj   +1 more source

Investigations on the respiration of the Neotropical fish, Colossoma macropomum (Serrasalmidae). The influence of weight and temperature on the routine oxygen consumption

open access: yes, 1983
The influence of weight and temperature on the routine oxygen consumption of Colossoma macropomum, a Neotropical fish species of the family Serrasalmidae, was investigated using a constant flow respirometer.
Saint-Paul, U.
core  

CADEIA PRODUTIVA DO TAMBAQUI NO ESTADO DO AMAZONAS

open access: yesRevista Brasileira de Engenharia de Pesca, 2019
Ao considerar a expansão da piscicultura do tambaqui (Colossoma macropomum) nas regiões Norte, Nordeste, Centro-oeste e Sudeste do Brasil, a busca pela eficiência dos seus procedimentos se faz necessário no atual cenário competitivo. O mapeamento e envolvimento dos atores desta atividade mostram-se imprescindível para a reorganização e a concepção de ...
Ely Sena de ALMEIDA   +3 more
openaire   +2 more sources

Informal gold mining and mercury pollution in Brazil [PDF]

open access: yes
The Amazon region has been responsible for a major share of Brazilian gold production in recent years. The region has witnessed a sizable gold rush comparable only to the California gold rush last century.
Biller, Dan, DEC
core  

Exigência de lisina para juvenis de tambaqui

open access: yesSemina: Ciências Agrárias, 2018
Objetivou-se determinar a exigência de lisina nas rações para juvenis de tambaqui (Colossoma macropomum). 750 peixes (0,34 ± 0,02g) foram distribuídos em tanques organizados em delineamento de blocos casualizados, com seis tratamentos, cinco repetições em dois blocos e vinte e cinco peixes por parcela, durante cinquenta dias. Foram testados seis níveis
Janayra Cardoso Silva   +7 more
openaire   +1 more source

Seasonal Forest Resources Support Fish Biomass in Floodplain Lakes of an Amazonian Tributary

open access: yesFreshwater Biology, Volume 70, Issue 11, November 2025.
ABSTRACT The Flood Pulse Concept is a foundational ecological theory that emphasizes the critical role of lateral connectivity between a river channel and its floodplain. Many tropical rivers inundate the surrounding floodplain in the flood stage, thereby receiving large amounts of terrestrial organic matter that can be decomposed by microbes and ...
Timothy D. Jardine   +7 more
wiley   +1 more source

Students as promoters of rural extension in aquaculture in the Marajó archipelago, Pará, Brazil

open access: yesRevista Brasileira de Educação do Campo, 2020
Aquaculture is the creation of aquatic organisms. An expanding activity, being of great importance its approach in rural extension. Thus, the objective of this study was to analyze the contribution of extension activities in aquaculture in the ...
Fabricio Nilo Lima da Silva   +6 more
doaj   +1 more source

Excreção de amônia por tambaqui (Colossoma macropomum) de acordo com variações na temperatura da água e massa do peixe. [PDF]

open access: yes, 2019
O objetivo deste trabalho foi quantificar taxas de excreção diária de amônia em tambaqui (Colossoma macropomum), principal espécie criada na Amazônia, que podem variar de acordo com a temperatura da água e a massa dos ...
ARAÚJO-LIMA, C. A. R. M.   +2 more
core  

Natural Food Intake and Its Contribution to Tambaqui Growth in Fertilized and Unfertilized Ponds

open access: yesFishes
Natural food available in ponds can complement formulated feed in fed aquaculture. This study elucidated the natural food intake and its contribution to tambaqui (Colossoma macropomum) growth in fertilized and unfertilized ponds, using stable isotope and
Adriana Ferreira Lima   +3 more
doaj   +1 more source

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