Results 21 to 30 of about 1,724 (98)

A continental-wide molecular approach unraveling mtDNA diversity and geographic distribution of the Neotropical genus Hoplias. [PDF]

open access: yesPLoS ONE, 2018
With an estimate of around 9,000 species, the Neotropical region hosts the greatest diversity of freshwater fishes of the world. Genetic surveys have the potential to unravel isolated and unique lineages and may result in the identification of ...
Yamila P Cardoso   +9 more
doaj   +2 more sources

Freqüência alimentar na larvicultura do trairão (Hoplias lacerdae) Effects of feeding frequency on larval rearing of trairao (Hoplias lacerdae)

open access: yesRevista Brasileira de Zootecnia, 2005
O experimento foi realizado com o objetivo de se desenvolver estratégias de manejo alimentar durante a larvicultura de trairão. Larvas com oito dias de vida foram contadas individualmente e alojadas na densidade de 30 larvas/L em 20 unidades ...
Ronald Kennedy Luz   +1 more
doaj   +2 more sources

Non-native freshwater fish from drainages of Rio Grande do Sul State, Brazil [PDF]

open access: yesPapéis Avulsos de Zoologia, 2023
The present study catalogues exotic and allochthonous fish species found in the three main freshwater river drainages of Rio Grande do Sul State using records of scientific collections and literature, and discusses the main impacts caused by their ...
Vinicius de Araújo Bertaco   +1 more
doaj   +2 more sources

Suplementação de vitamina C em dietas para juvenis de trairão [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2013
O objetivo deste trabalho foi avaliar o efeito da suplementação da dieta com vitamina C no desempenho produtivo, nas alterações morfológicas e no perfil de ácidos graxos da carcaça de juvenis de trairão (Hoplias lacerdae).
Ana Lúcia Salaro   +6 more
doaj   +8 more sources

Anisakis spp. IN TRAHIRAS (Hoplias lacerdae) FROM TELES PIRES RIVER AFFLUENT, MATO GROSSO STATE, BRAZIL

open access: yesArs Veterinaria, 2019
Anisakiasis is a parasitic disease caused by the consumption of raw or undercooked fish containing the third larval stage of anisakid nematodes. Safety in fish consumption from extractive fisheries is a challenge for public health authorities. This study
Alice Heller Silva   +8 more
semanticscholar   +3 more sources

Feed training of giant trahira fingerlings fed diets containing different levels of vitamin C Condicionamento alimentar de alevinos de trairão com dietas contendo diferentes níveis de vitamina C [PDF]

open access: yesRevista Brasileira de Zootecnia, 2011
The objective of this work was to evaluate suplemenation of vitamin C during feed training of giant trahira fingerlings. An experiment was established in a complete random design with seven treatments (0.0, 17.5, 52.5, 87.5, 122.5, 175.0 and 350.0 mg ...
Rodrigo Yutaka Dichoff Kasai   +5 more
doaj   +6 more sources

Comparative chromosome mapping of repetitive sequences. Implications for genomic evolution in the fish, Hoplias malabaricus. [PDF]

open access: yesBMC Genet, 2009
Background Seven karyomorphs of the fish, Hoplias malabaricus (A-G) were previously included in two major groups, Group I (A, B, C, D) and Group II (E, F, G), based on their similar karyotype structure.
Cioffi MB, Martins C, Bertollo LA.
europepmc   +6 more sources

Desenvolvimento de alevinos de trairão (Hoplias lacerdae) na ausência de luz = Development of trairão (Hoplias lacerdae) fingerlings in darkness

open access: yesActa Scientiarum: Biological Sciences, 2006
Sessenta e seis alevinos de trairão (Hoplias lacerdae) (peso médio de 2,0±0,5 g e comprimento total de 5,8±0,2 cm) condicionados à aceitação de rações secas foram distribuídos em 6 aquários de 15 L de água com temperatura de 24,0±0,5ºC, densidade de ...
Ana Lúcia Salaro   +6 more
doaj   +1 more source

Anatomy of the buccopharyngeal cavity of trairão, Hoplias Lacerdae Miranda Ribeiro, 1908 (Characiformes, Erythrinidae) [PDF]

open access: yesBiotemas, 2009
We studied the buccopharyngeal cavity anatomy of 20 male and female trairão, Hoplias lacerdae (Miranda Ribeiro, 1908) specimens, with 24.41cm average standard-length, fixed in 4% formalin aqueous solution and/or diaphanized and colored with alizarin and ...
Cláudia Maria Reis Raposo Maciel   +3 more
doaj   +1 more source

Larval morphology of Hoplias lacerdae Miranda Ribeiro, 1908 (Characiformes, Erythrinidae), from hatching to metamorphosis, related to exogenous food capture ability [PDF]

open access: yesBiotemas, 2009
For the accomplishment of this work, 510 specimens of Hoplias lacerdae were used from one to 30 days after hatching, with the objective of studying the mesoscopic morphological characteristics that enable this species, in the initial phases of its ...
Cláudia Maria Reis Raposo Maciel   +4 more
doaj   +1 more source

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