Results 31 to 40 of about 1,315 (199)

Embryonic development of teleostBrycon orbignyanus

Zygote, 2018
SummaryBrycon orbignyanusis an important large teleost that is currently on the list of endangered species, therefore studies on its reproductive biology and embryology are fundamental to help species conservation and recovery. The objective of this research was to characterize the events that occur during extrusion, fertilization and embryonic ...
Luciana Nakaghi Ganeco-Kirschnik, Irene Bastos Franceschini-Vicentini, Maria do Carmo Faria Paes, Laura Satiko Okada Nakaghi   +3 more
openaire   +3 more sources

First record of the “Matrinxã” Brycon amazonicus (Agassiz 1829) (Characiformes: Bryconidae) in the Rio Paranapanema mouth region, Upper Rio Paraná basin, Brazil [PDF]

Acta Limnologica Brasiliensia
: The Rio Paranapanema is one of the most important tributaries of the Upper Rio Paraná, and in recent decades there has been a marked decline in the population of native species due to the development of a series of reservoirs and the introduction of ...
Renan Borges dos Reis, Bruno Henrique Mioto Stabile, Augusto Frota, Weferson Júnio da Graça   +3 more
doaj   +1 more source

Transferability of heterologous primers in Brycon falcatus [PDF]

Acta Amazonica, 2020
The genusBryconcomprises fish species of significant socioeconomic and biological importance in Brazil. Despite that, the genetic knowledge about these species is scarce, especially regardingBrycon falcatus.
Diego dos Santos PENHA, Felipe Pinheiro de SOUZA, Ed Christian Suzuki de LIMA, Angela Maria URREA-ROJAS, Victor César Freitas PANDOLFI, Andrei Lincoln YAMACHITA, Jayme Aparecido POVH, Natalia Gonçalves LEITE, Ulisses de Pádua PEREIRA, Nelson Mauricio LOPERA-BARRERO   +9 more
doaj   +1 more source

Morfologia da micrópila e da superfície dos ovócitos de piracanjuba, Brycon orbignyanus (Osteichthyes, Characidae), sob microscopia eletrônica de varredura - DOI: 10.4025/actascibiolsci.v25i1.2097

Acta Scientiarum: Biological Sciences, 2008
Este trabalho analisou a morfologia dos ovócitos de Brycon orbignyanus (Osteichthyes, Characidae), por meio de análises em microscopia eletrônica de varredura (MEV). Amostras de ovários de piracanjubas adultas foram coletadas.
Luciana Nakaghi Ganeco, Laura Satiko Okada Nakaghi   +1 more
doaj   +1 more source

Brycon orbignyanus

, 2018
Brycon orbignyanus (Valenciennes, 1850) Fig. 6 Body deep; greatest depth contained 2.8 to 3.4, caudal peduncle depth 9.2 to 11.7 times in SL; head length 3.3 to 5.1, predorsal distance 1.8 to 2.1, caudal peduncle length 5.3 to 7.8 in SL; snout length 2.7 to 3.6, horizontal orbital diameter 3.1 to 5.0 and least interorbital width 2.1 to 3.0 in HL. Mouth
Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da, Pavanelli, Carla Simone   +3 more
openaire   +1 more source

Genetic diversity of migratory fish populations of the Rio Grande Reservoir (São Paulo, Brazil)

Semina: Ciências Agrárias, 2019
In recent years, anthropogenic factors such as pollution, overfishing, and construction of hydroelectric plants have significantly impacted natural fish populations. Research focusing on genetically evaluation of these impacts is necessary to objectively
Nelson Mauricio Lopera-Barrero, Felipe Pinheiro de Souza, Ed Christian Suzuki de Lima, Angela Maria Urrea-Rojas, Pedro Luiz de Castro, Elenice Souza dos Reis Goes, Victor César Freitas Pandolfi, Andrei Lincoln Yamachita, Carlos Antonio Lopes de Oliveira, Natália Gonçalves Leite, Ricardo Pereira Ribeiro   +10 more
doaj   +1 more source

First evidence of a spawning site of the endangered fish Brycon orbignyanus (Valenciennes, 1850) (Characiformes, Bryconidae) in the Middle Uruguay River, Brazil

Acta Limnologica Brasiliensia, 2020
: Aim This study provides the first direct evidence about the location of a spawning site of Brycon orbignyanus (Valenciennes, 1850) in the Middle Uruguay River.
David Augusto Reynalte-Tataje, Marlon da Luz Soares, Marthoni Vinicius Massaro, Rodrigo Bastian, Fernando Mayer Pelicice   +4 more
doaj   +1 more source

Optimization of heterologous microsatellites in Piracanjuba

Pesquisa Agropecuária Brasileira, 2015
: The objective of this work was to evaluate 41 microsatellite markers for heterologous amplifications in piracanjuba (Brycon orbignyanus). Some markers were tested for the first time.
Fausto Moreira da Silva Carmo, Érico Macedo Polo, Marcos Antônio da Silva, Gabriel de Menezes Yazbeck   +3 more
doaj   +1 more source

Monitoring of Salmonella spp. in Native Fish Farms in the Pantanal and Cerrado Biomes, Brazil: Serotype Diversity, Antimicrobial Resistance Profiles, and Multivatiate Patterns 

Journal of Food Safety, Volume 45, Issue 6, December 2025.
This study investigated Salmonella spp. occurrence, serotypes, antimicrobial resistance, and associated environmental and management factors in 25 native fish farms located in the Pantanal and Cerrado biomes, Brazil. A total of 184 fish and environmental samples were analyzed using standardized methods and multivariate statistics. Salmonella spp.
Yuri Duarte Porto, Fabíola Helena dos Santos Fogaça, Wagner de Souza Tassinari, Adriana Oliveira Andrade, Adelino Cunha Neto, Luciano Carlos de Arruda, Jaqueline Oliveira dos Reis, Janine Passos Lima, Luciana Kimie Savay‐da‐Silva, Eduardo Eustáquio de Souza Figueiredo   +9 more
wiley   +1 more source

Valores para o leucograma e trombograma de juvenis de dourado (Salminus brasiliensis) em condições experimentais de cultivo. [PDF]

, 2014
Este estudo teve por objetivo caracterizar as células sanguíneas e quantificar os trombócitos e leucócitos de juvenis de Salminus brasiliensis mantidos em condições experimentais de cultivo, desde a alevinagem.
HISANO, H., ISHIKAWA, M. M., PÁDUA, S. B. de, SATAKE, F., TAVARES-DIAS, M.   +4 more
core