Results 31 to 40 of about 186 (107)

Protective Role of Egg Yolks From Different Avian Species on the Post‐Thaw Quality and Fertility of Cryopreserved Nile tilapia (Oreochromis niloticus) Sperm

Aquaculture Research, Volume 2026, Issue 1, 2026.
Egg yolks derived from various avian species have been widely applied as cryoprotective additives in mammalian sperm preservation; however, their efficacy in fish sperm cryopreservation remains poorly understood. Therefore, this study evaluated the cryoprotective effects of quail (Coturnix coturnix), chicken (Gallus gallus domesticus), and turkey ...
Yusuf Bozkurt, İlker Yavaş, Fikret Karaca   +2 more
wiley   +1 more source

PRODUÇÃO PESQUEIRA EM PORTO VELHO, RONDÔNIA (1984-89) - ALGUNS ASPECTOS ECOLÓGICOS DAS ESPÉCIES COMERCIALMENTE RELEVANTES. [PDF]

Acta Amazonica, 1992
Foi realizado o levantamento do pescado comercializado em Porto Velho no período 1984-89, capturado na área de influência doe garimpos de ouro no rio Madeira, entre Guajará-Mirim (Rondônia) e Humaitá (Amazonas). A produção pesqueira é discutida de acordo
Ana Amélia P. Boischio
doaj   +1 more source

Larviculture of two neotropical species with different distributions in the water column in light- and dark-colored tanks

Neotropical Ichthyology
The influence of tank color on the visual perception of fish larvae and the success of their cultivation depends on the characteristics of each species combined with environmental factors.
Marcelo Mattos Pedreira, Edson Vieira Sampaio, José Cláudio Epaminondas dos Santos, Aldrin Vieira Pires   +3 more
doaj   +1 more source

Comportamento vegetativo e reprodutivo de clones de cajazeira cultivados na Chapada do Apodi, Ceará Vegetative and reproductive behavior of mombin clones grown on the Chapada do Apodi, Ceará, Brazil

Revista Ciência Agronômica, 2012
O pomar de cajazeira foi plantado em fevereiro de 2000 na Chapada do Apodi, Limoeiro do Norte, Ceará, com o objetivo de avaliar os efeitos das diferentes combinações porta-enxerto x enxerto no crescimento vegetativo, número de plantas produtivas e ...
Francisco Xavier de Souza, José Tarciso Alves Costa, Evando Luiz Coelho, Aline de Holanda Nunes Maia   +3 more
doaj   +1 more source

CONSUMO DE PESCADO E OUTROS ALIMENTOS PELA POPULAÇÃO RIBEIRINHA DO LAGO GRANDE DE MONTE ALEGRE, PA - BRASIL. [PDF]

Acta Amazonica, 1997
O presente artigo apresenta resultados sobre o consumo de pescado e outros alimentos pela população ribeirinha do Lago Grande de Monte Alegre, no Estado do Pará, Brasil.
Regina Glória Pinheiro CERDEIRA, Mauro Luis RUFFINO, Victoria Judith ISAAC   +2 more
doaj   +1 more source

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

Freshwater 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, Francisco Villamarín, Joseph E. Hawes, Joao Campos‐Silva, Cristina M. Jacobi, Stephen Srayko, Alexander Pelletier, William E. Magnusson   +7 more
wiley   +1 more source

Acute toxicity of copper and cadmium for piauçu, Leporinus macrocephalus, and curimatã, Prochilodus vimboides = Toxicidade aguda do cobre e do cádmio no piauçu, Leporinus macrocephalus, e no curimatã, Prochilodus vimboides

Acta Scientiarum: Biological Sciences, 2009
Ninety-six-hour static bioassays were conducted in the laboratory to determine lethal concentrations (96-h LC50) of copper and cadmium for curimatã (Prochilodus vimboides) and piauçu (Leporinus macrocephalus). The 96-h LC50 of copper were 0.047 and 0.090
Levy Carvalho Gomes, Adriana Regina Chippari-Gomes, Rodrigo Nunes Oss, Luiz Fernando Loureiro Fernandes, Rafael de Almeida Magris   +4 more
doaj  

Miracetyma etimaruya gen. et sp. n. (COPEPODA, POECILOSTOMATOIDA, ERGASILIDAE) FROM FRESHWATER FISHES OF THE BRAZILIAN AMAZON [PDF]

Acta Amazonica, 1993
Miracetyma etimaruyagen. et sp. n. is proposed from the gills filaments of Curimata cyprinoides(Linnaeus, 1758), Potamorhina latior(Spix, 1829) and Psectrogaster essequibensis(Gunther, 1864). The species of the new genus is characterized by having a more
José Celso O. MALTA
doaj   +1 more source

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

River 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, Rogério Fonseca, Rangel Eduardo Santos, Raniere Garcez Costa Sousa, Felipe Micali Nuvoloni, Isys Nathyally de Lima Silva, Karen Sayuri Takano, Fabrício Berton Zanchi   +7 more
wiley   +1 more source

Concentração letal do glifosato para juvenis de Curimatã-Pacu

Boletim do Instituto de Pesca, 2016
Neste trabalho objetivou-se determinar a CL50 do herbicida glifosato (CL50) para curimatã-pacu, Prochilodus argenteus. O experimento foi realizado na CODEVASF de Três Marias, MG, Brasil, onde teve a duração de 96 h, utilizando-se 240 juvenis de ...
Emília Tatiane Lopes da SILVA, Maria Letícia Fernandes DIAS, Marcelo Mattos PEDREIRA, José Barbosa dos SANTOS   +3 more
doaj   +1 more source