Dispersion of hooks on the anal fins of primary and secondary males in Brycon orbignyanus (Characiformes: Bryconidae): a secondary sexual trait for breeder selection [PDF]
Brycon orbignyanus exhibits seasonal reproduction where males can be distinguished from females by the roughness present in the anal fin of the specimens that represents a secondary sexual characteristic known as hooks.
Bárbara Correa Bianchini +2 more
exaly +4 more sources
Morphometric Evaluations and Yields from Commercial Cuts of Black Pacu Colossoma macropomum (Cuvier, 1818) in Different Body Weights. [PDF]
For the Amazon, it is important to encourage the production of native fish, since there are several species of zootechnical interest. For this, it is necessary to know the species since its acquisition, production, processing, and marketing. Therefore, the aim of this study was to analyze the yield, correlations, and profitability of different cuts of ...
Cavali J +6 more
europepmc +2 more sources
Conservation status and bio-ecology of Brycon orbignyanus (Characiformes: Bryconidae), an endemic fish species from the Paraná River basin (Brazil) threatened with extinction [PDF]
Brycon orbignyanus is an endemic species from La Plata basin whose stocks have been presenting significant reductions throughout the Paraná River. Brycon orbignyanus is categorized as an endangered species. This study evaluated aspects of the bio-ecology
Lívia Helena Tonella +2 more
exaly +3 more sources
Conduziu-se um experimento no setor de piscicultura da Universidade Federal de Lavras M.G., com o objetivo de estabelecer curvas de crescimento morfométrico em função do peso corporal para a piracanjuba (Brycon orbignyanus). Alevinos de piracanjuba foram
Juliana Sampaio Guedes Gomiero +5 more
doaj +2 more sources
Avaliação espermática pós-descongelamento em piracanjuba (Brycon orbignyanus, Vallenciennes, 1849) Sperm evaluation of piracanjuba fish (Brycon orbignyanus, Vallenciennes, 1849), after thawing [PDF]
O experimento foi realizado com o objetivo de testar o efeito de dois meios diluidores (Glicose 5% e água de côco) no congelamento do sêmen de piracanjuba (Brycon orbignyanus, Vallenciennes, 1849) e dois descongelamentos do sêmen (60ºC durante 5 segundos
Luis David Solis Murgas +2 more
doaj +5 more sources
Brycon orbignyanus is a neotropical fish found in several South American countries. This species has high ecological importance and is included in the list of fish threatened with extinction.
Felipe Pinheiro de Souza +2 more
exaly +2 more sources
Spermatic abnormalities of piracanjuba Brycon orbignyanus (Valenciennes, 1849) after cryopreservation [PDF]
The objective of this research was to verify the presence of spermatic abnormalities on semen of Brycon orbignyanus after cryopreservation. Semen was collected from ten four-year-old males who presented secondary reproductive characteristics for migrating fish.
Galo, JM. +6 more
exaly +7 more sources
Benefits of Adding Virginiamycin to Arapaima gigas (Schinz, 1822) Diet Cultivated in the Brazilian Amazon. [PDF]
The aim of this study was to evaluate the physiological, zootechnical, and environmental benefits of the use of growth‐promoting virginiamycin in the pirarucu diet. The research was conducted at the Carlos Eduardo Matiazze Fish Center, Federal University of Rondônia.
Cavali J +8 more
europepmc +2 more sources
Caracterização genética de Brycon orbignyanus utilizando o sistema seminatural [PDF]
Avaliou-se o efeito do sistema seminatural na diversidade genética de um estoque de Brycon orbignyanus, utilizado em programas de repovoamento, com o marcador molecular RAPD. Vinte e quatro reprodutores, 12 machos e 12 fêmeas e 95 larvas da progênie foram analisados.
Claudete A Mangolin
exaly +4 more sources
Avaliou-se o efeito do sistema seminatural na diversidade genética de um estoque de Brycon orbignyanus, utilizado em programas de repovoamento, com o marcador molecular RAPD.
N.M. Lopera-Barrero +5 more
doaj +2 more sources

