Results 11 to 20 of about 4,832 (194)

Capillostrongyloides arapaimae sp. n. (Nematoda: Capillariidae), a new intestinal parasite of the arapaima Arapaima gigas from the Brazilian Amazon [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2008
A new nematode species, Capillostrongyloides arapaimae sp. n., is described from the intestine and pyloric caeca of the arapaima, Arapaima gigas (Schinz), from the Mexiana Island, Amazon river delta, Brazil.
Cláudia Portes Santos   +2 more
doaj   +4 more sources

Population Dynamics Modeling of Arapaima gigas Modelagem da dinâmica populacional de Arapaima gigas [PDF]

open access: yesActa Amazonica, 2010
Pirarucu (Arapaima gigas) has been of the most important natural fishing resources of the Amazon region. Due to its economic importance, and the necessity to preserve the species hand, field research concerning the habits and behavior of the pirarucu has
Eliane dos Santos de Souza Coutinho   +2 more
doaj   +5 more sources

Respostas hematológicas de Arapaima gigas (Pisces: Arapaimidae) parasitados naturalmente por protozoários e metazoários. [PDF]

open access: yesDiseases of Aquatic Organisms, 2017
O presente estudo comparou os parâmetros sanguíneos de Arapaima gigas Schinz, 1822 de cultivo, parasitados por uma espécie de protozoário e três espécies de helmintos.
BORGES, M.   +4 more
core   +4 more sources

Cultivo do Pirarucu (Arapaima gigas) em viveiro escavado Pirarucu (Arapaima gigas) husbandry in ponds [PDF]

open access: yesActa Amazonica, 2003
Foi avaliado o desempenho de juvenis de pirarucu em criação intensiva em viveiros escavados. Oitenta e cinco peixes com peso médio inicial de 133,3 ± 1,3g foram estocados em dois viveiros de 120m² cada (densidade de 1 peixe/3m²), com profundidade média ...
Manoel Pereira-Filho   +5 more
doaj   +5 more sources

Transport of Pirarucu Arapaima gigas juveniles in plastic bag Transporte de juvenis de pirarucu Arapaima gigas em sacos plásticos

open access: yesActa Amazonica, 2003
This study examined the stress response of pirarucu juveniles in a closed system transport. Pirarucu (Arapaima gigas) is a native Amazonian fish species from the Osteoglossidae family and an obligated air breather.
Levy de Carvalho Gomes   +4 more
doaj   +2 more sources

Global Research Trends of Black Soldier Fly Larvae (<i>Hermetia illucens</i>) Meal in Aquaculture From a Scientometric Perspective (2007-2025). [PDF]

open access: yesAquac Nutr
Black soldier fly larvae (Hermetia illucens) meal (BSFLM) has gained increasing attention over the past two decades as a sustainable and functional ingredient in aquafeeds. This study presents the first scientometric analysis of BSFLM research in aquaculture from 2007 to 2025, using data from Scopus and Web of Science (WOS).
Camperio J   +3 more
europepmc   +2 more sources

Acute toxicity of trichlorfon and histological changes in the gills of Arapaima gigas, a neotropical fish from Amazon

open access: yesAquaculture Reports, 2022
Trichlorfon is a widely used drug to control ectoparasites in fish farming and is effective in treating protozoa, helminths, and crustaceans. However, prior to a concentration recommendation made for therapeutic purposes in aquaculture, it is necessary ...
Matheus Gomes da Cruz   +7 more
doaj   +1 more source

New insights into the putative XX/XY sex chromosomal system in blue-eyed red-fin pleco Hypostomus soniae (Siluriformes, Loricariidae). [PDF]

open access: yesJ Fish Biol
Abstract Blue‐eyed red‐fin pleco Hypostomus soniae (family Loricariidae) presented a putative sex system XX/XY in early stage. Aiming to explore the inter‐populational karyotypic variation and proposed emergence of the XX/XY system, we studied 13 H. soniae individuals (6 males, 7 females) from the Tapajós River.
Maciel LAM   +6 more
europepmc   +2 more sources

Goezia spinulosa (Nematoda: Raphidascarididae), a pathogenic parasite of the arapaima Arapaima gigas (Osteichthyes) [PDF]

open access: yesFolia Parasitologica, 2009
The nematode Goezia spinulosa (Diesing, 1839) (Raphidascarididae) is redescribed based on specimens found in the stomach and intestine of the naturally infected arapaima Arapaima gigas (Schinz) from the Mexiana Island, Amazon River Delta, Brazil. Light and electron microscopy examinations revealed some previously unreported or inaccurately described ...
Cláudia Portes, Santos   +1 more
openaire   +2 more sources

The genome of the arapaima (Arapaima gigas) provides insights into gigantism, fast growth and chromosomal sex determination system [PDF]

open access: yesScientific Reports, 2019
AbstractWe have sequenced the genome of the largest freshwater fish species of the world, the arapaima. Analysis of gene family dynamics and signatures of positive selection identified genes involved in the specific adaptations and unique features of this iconic species, in particular it’s large size and fast growth.
Du, Kang   +17 more
openaire   +8 more sources

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