Results 1 to 10 of about 147 (110)
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.
Barbara Correa Bianchini +2 more
exaly +4 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
Livia Helena Tonella +2 more
exaly +3 more sources
Water quality and zooplankton in tanks with larvae of Brycon Orbignyanus (Valenciennes, 1949) Qualidade da água e zooplâncton em tanques de larvicultura de Brycon orbignyanus (Valenciennes, 1949) [PDF]
Due to the importance of water variables conditions and available food in the development and survival of fish larvae, the current research evaluates the effects of two different food treatments (ration + zooplankton and only zooplankton) and water ...
LH. Sipaúba-Tavares +2 more
doaj +6 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
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.
Ricardo Pereira Ribeiro
exaly +7 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
Os efeitos de três meios diluidores (BTS+KCl - D1, BTS+2KCL - D2 e BTS+Citrato de Sódio - D3), considerando três diferentes tempos de resfriamento (0, 72 e 144 horas), foram analizados no sêmen de Piracanjuba (Brycon orbignyanus) a 4°C. Testou-se, ainda,
Luis David Solis Murgas +3 more
doaj +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.
L Vargas, Claudete Aparecida Mangolin
exaly +4 more sources
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 +2 more sources

