Results 71 to 80 of about 269 (156)

Performance of lambari-do-rabo-amarelo Astyanax bimaculatus (Linnaeus, 1758) fed diets based on adult black soldier fly meal: analysis of its effectiveness as a substitute for fish meal [PDF]

Brazilian Journal of Biology
This study evaluated the performance of the lambari-do-rabo-amarelo Astyanax bimaculatus fed diets containing BSF adult fly meal, replacing fishmeal. Two hundred juveniles were distributed in 20 tanks, with five levels of substitution (0%, 12.5%, 25%, 37.
E .O. Souza, M. R. Zeferino, L. R. Periard, L. P. Gonçalves-Junior, J. G. Vargas-Junior, P. P. Mendonça   +5 more
doaj   +1 more source

Frequency in the supply of Lactobacillus influence its probiotic effect for yellow tail lambari

Ciência Rural, 2018
: The aim of this research was to evaluate the changes in intestinal tract microbiota, hematological parameters and zootechnical indexes of yellowtail lambaris (Astyanax bimaculatus) fed with different probiotic supply frequencies (Lactobacillus spp ...
Adolfo Jatobá, Klayton Natan Moraes, Emanuel Fernandes Rodrigues, Leandro Marcolino Vieira, Marina Oliveira Pereira   +4 more
doaj   +1 more source

Parasitological diagnosis in food fish produced in a fish farm, in the Zona da Mata, Minas Gerais, southeastern Brazil

Revista Brasileira de Parasitologia Veterinária, 2020
This study identified the parasitic species in juvenile freshwater finfishes during the fattening stage, from a fish farm located in the Zona da Mata (MG), southeastern Brazil, and revealed both macro and microscopical lesions in fish gills.
Rachel Sordi Relvas, Simone de Carvalho Balian, Herbert Sousa Soares, Maurício Laterça Martins, Pedro Henrique Magalhães Cardoso   +4 more
doaj   +1 more source

Diversity of Parasites in Two Sympatric Species of Brazilian Tetras (Characiformes: Acestrorhamphidae) in the Caatinga Domain, Northeastern Brazil

Parasitologia
This study investigates the parasitic biodiversity of the fish species Astyanax bimaculatus and Psalidodon fasciatus in a stream located in the Chapada do Araripe Environmental Protection Area (APA), state of Ceará, Brazil, contributing to the ...
Bruno Anderson Fernandes da Silva, Julia Martini Falkenberg, Fábio Hideki Yamada   +2 more
doaj   +1 more source

CURVAS DE MATURAÇÃO GONADAL E CRESCIMENTO DE Fí­Å MEAS DE TAMBIí­Å¡, Astyanax bimaculatus LINNAEUS, 1758 (CHARACIFORMES, CHARACIDAE), NA REPRESA DE IBITINGA, ESTADO DE SÃO PAULO, BRASIL.

Boletim do Instituto de Pesca, 2018
Neste trabalho foram analisadas 379 fêmeas de tambiú, Astyanax bimaculatus, com a finalidade de determinar o comprimento e a idade em que se inicia a primeira maturação gonadal.
Ricardo Amaro dos SANTOS, Elmar Cardozo CAMPOS, Jaime José Casari da CAMARA, José MANDELLI JUNIOR   +3 more
doaj  

Cytogenetic toxicity and gonadal effects of 17 α-methyltestosterone in Astyanax bimaculatus (Characidae) and Oreochromis niloticus (Cichlidae)

Genetics and Molecular Research, 2013
The synthetic hormone, 17-α-methyltestosterone (MT), is used in fish hatcheries to induce male monosex. Androgenic effects on various fish species have been reported; however, few studies have assessed possible genotoxic effects, although there are concerns about such effects in target and non-target species.
C L G, Rivero-Wendt, A L, Miranda-Vilela, M F N, Ferreira, A M, Borges, C K, Grisolia   +4 more
openaire   +2 more sources

Profile of micronucleus frequencies and DNA damage in different species of fish in a eutrophic tropical lake

Genetics and Molecular Biology, 2009
Lake Paranoá is a tropical reservoir for the City of Brasilia, which became eutrophic due to inadequate sewage treatment associated with intensive population growth.
Cesar K. Grisolia, Carla L. G. Rivero, Fernando L. R. M. Starling, Izabel C. R. da Silva, Antonio C. Barbosa, Jose G. Dorea   +5 more
doaj  

New Astyanax from the upper rio Tapajós drainage, Central Brazil (Characiformes: Characidae)

Neotropical Ichthyology
Astyanax utiariti, new species, is described from the upper rio Tapajós drainage, Mato Grosso, Brazil. Astyanax utiariti has a horizontally oval black humeral spot, a lozenge-shaped caudal-peduncle spot, continuing to the tip of the middle caudal-fin ...
Vinicius A. Bertaco, Valdener Garutti
doaj   +1 more source

Development of Astyanax bimaculatus (Linnaeus, 1758) juveniles at different stocking densities in net ponds

, 2008
O objetivo deste trabalho foi avaliar a influência da densidade de estocagem sobre o desenvolvimento de juvenis de lambari (Astyanax bimaculatus), em tanques-rede, em sua fase inicial. Foram utilizados 300 peixes, com peso vivo inicial médio com quatro tratamentos e seis repetições. Foram utilizadas as densidades de 31, 62, 93 e 124 peixes/m3 .
Vilela, Cristiane, Hayashi, Carmino
openaire   +2 more sources

THE CONSERVATION STATE OF CHARACIDAE FISH (PISCES: CHARACIFORMES) IN AN AREA OF THE PLATA BASIN, ARGENTINA ESTADO DE CONSERVACION DE PECES CHARACIDAE (PISCES: CHARACIFORMES) EN UN AREA DE LA CUENCA DEL PLATA, ARGENTINA

Gayana, 2007
The fish conservation was quantified by means of the index SUMIN, composed by the summation of 12 outstanding variables for the species survival and/or conservation.
Marcelo A Zayas, Elly Cordiviola
doaj