Results 91 to 100 of about 1,591 (196)

Aspectos reprodutivos e perfil hormonal dos esteróides sexuais do pirarucu, Arapaima gigas (SCHINZ,1822), em condições de cativeiro Reproductive aspects and sexual steroids hormonal profiles of pirarucu, Arapaima gigas (SCHINZ,1822), in captivity conditions

open access: yesActa Amazonica, 2010
Esta pesquisa teve como objetivo caracterizar a reprodução e o perfil hormonal dos esteróides sexuais do pirarucu, Arapaima gigas, além de validar um aspecto do dimorfismo sexual secundário.
Leonardo Bruno Barbosa Monteiro   +3 more
doaj   +1 more source

Camallanus tridentatus (Drasche) (Nematoda: Camallanidae): new taxonomically important morphological data

open access: yesMemorias do Instituto Oswaldo Cruz, 2009
Camallanus tridentatus is redescribed on the basis of the examination of specimens obtained from the stomach, caeca and intestine of the naturally infected arapaima Arapaima gigas (Schinz) from the Mexiana Island, Amazon River Delta, Brazil.
Cláudia Portes Santos   +1 more
doaj   +1 more source

Innate immune response of pirarucu improved with yeast-supplemented diets

open access: yesAquaculture Reports, 2020
The present study evaluated the effects of dietary yeast supplementation on the growth and blood parameters of Arapaima gigas. Fish were fed with commercial feed supplemented with NuPro® at 0, 10, 40 and 80 g / kg for 30 days and, did not exhibit any ...
Maria Danielle Figueiredo Guimarães Hoshino   +9 more
doaj   +1 more source

Caracterização genética do pirarucu Arapaima gigas (Cuvier) (Teleostei, Osteoglossidae) da bacia Tocantins-Araguaia, estado do Mato Grosso. [PDF]

open access: yes, 2003
In South America the osteoglossiforms are represented by the Arapaima and the Osteoglossum sorts, which are mostly found in the Amazonic basin, Tocantins Araguaia.
Marques, Débora Karla Silvestre
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Influência do período de alimentação no consumo e ganho de peso do pirarucu Influence of feeding period on consumption and weight gain of pirarucu

open access: yesPesquisa Agropecuária Brasileira, 2005
O objetivo deste trabalho foi verificar o período preferencial de consumo alimentar do pirarucu, Arapaima gigas, e a influência de diferentes turnos de alimentação no consumo e ganho de peso dessa espécie.
Roger Crescêncio   +5 more
doaj   +1 more source

Caracterização genética do pirarucu Arapaima gigas (Cuvier) (Teleostei, Osteoglossidae) da bacia Tocantins-Araguaia, Estado do Mato Grosso. [PDF]

open access: yes, 2018
Os Osteoglossiformes são representados na América do Sul pelos gêneros Arapaima e Osteoglossum, que ocorrem particulamente na região Amazônica, nas bacias Amazônica e Tocantins-Araguaia.
MARQUES, D. K. S.
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Sex determination in the Giant fish of Amazon Basin, Arapaima gigas (Osteoglossiformes, Arapaimatidae), using laparoscopy Determinação do sexo no peixe gigante da Bacia Amazônica, Arapaima gigas (Osteoglossiformes, Arapaimatidae), usando laparoscopia

open access: yesActa Amazonica, 2011
The Giant of Amazon basin, pirarucu, Arapaima gigas, is the largest scaled freshwater fish in the world. pirarucu cultivation has recently started, driven by the decline in natural populations and high market value.
Carlos Riedel Porto Carreiro   +3 more
doaj   +1 more source

Distribution of arapaima (Arapaima gigas) (Pisces: Arapaimatidae) in Bolivia: implications in the control and management of a non-native population

open access: yesBioInvasions Records, 2012
(Uploaded by Plazi for the IPBES Invasive Alien Species Assessment) The introduction and establishment of arapaima (Arapaima gigas) in southeastern Peru and northwestern Bolivia is an example of a fish species that appears to be increasingly common and widespread in non-native portions of its range, but whose populations are on the decline within its ...
Miranda-Chumacero, G.   +8 more
openaire   +2 more sources

Níveis de proteína bruta para juvenis de pirarucu Crude protein levels for juvenile pirarucu

open access: yesPesquisa Agropecuária Brasileira, 2005
O objetivo deste trabalho foi avaliar o efeito de quatro níveis de proteína sobre o crescimento de juvenis de pirarucu, Arapaima gigas. O experimento foi conduzido em delineamento inteiramente casualizado, com de quatro tratamentos (32,7%, 39,3%, 43,4% e
Daniel Rabello Ituassú   +5 more
doaj   +1 more source

Genetic Diversity of Arapaima (Arapaima Gigas) in Peruvian Aquaculture

open access: yes, 2020
Arapaima gigas is one of the world’s largest freshwater fishes and it is native to the Amazon region. The species is over-exploited and sustainable long-term conservation strategies are needed to maintain the genetic diversity of the species.
Ruuskanen, Jutta
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