Results 61 to 70 of about 489 (155)

Production cost of tambaqui (Colossoma macropomum) and tambatinga and tambacu hybrids in net cages [PDF]

open access: yesActa Amazonica
The objective of this study was to determine the production cost of tambaqui (Colossoma macropomum) and the hybrids tambatinga (female tambaqui x male pirapitinga, Piaractus brachypomus) and tambacu (female tambaqui x male pacu, Piaractus mesopotamicus ...
Ana Carla Carvalho SILVA   +10 more
doaj   +1 more source

Effects of Environmentally Relevant Concentrations of Roundup on Oxidative‐Nitrative Stress, Cellular Apoptosis, Prooxidant‐Antioxidant Homeostasis, Renin and CYP1A Expressions in Goldfish: Molecular Mechanisms Underlying Kidney Damage During Roundup Exposure

open access: yesEnvironmental Toxicology, Volume 40, Issue 5, Page 817-834, May 2025.
ABSTRACT Roundup is one of the most widely used glyphosate‐based harmful herbicides in the United States as well as globally, which poses a severe risk for terrestrial and aquatic organisms. In order to identify the detrimental effects of Roundup exposure in aquatic organisms, we investigated the environmentally relevant concentrations of Roundup ...
Md Imran Noor, Md Saydur Rahman
wiley   +1 more source

Straminipilous organisms growing on herbivorous pirapitinga (Piaractus brachypomus) and carnivorous piranha (Pygocentrus nattereri) from Poland Organismos stramenophila em crescimento na herbívora pirapitinga (Piaractus brachypomus) e na carnívora piranha (Pygocentrus nattereri) da Polônia

open access: yesBrazilian Journal of Biology, 2010
We investigated the growth of straminipilous organisms on the skin, muscles and liver of herbivorous pirapitinga (Piaractus brachypomus) and carnivorous piranha (Pygocentrus nattereri) in water of three different eutrophication levels.
B. Czeczuga   +3 more
doaj  

Quantifying Invasiveness Risk of Non‐Native Freshwater Fishes in South Korea Under a Changing Climate

open access: yesFisheries Management and Ecology, Volume 32, Issue 1, February 2025.
ABSTRACT Biological invasions pose a serious threat to native biodiversity, and climate change intensifies the risk of non‐native species invasion in human‐altered environments, particularly in freshwater ecosystems. In South Korean freshwaters, the number of non‐native fish species increased significantly since the early 1950s.
Baran Yoğurtçuoğlu   +2 more
wiley   +1 more source

Reproduction of Pirapitinga do Sul (Brycon opalinus Cuvier, 1819) in the Parque Estadual da Serra do Mar-Núcleo Santa Virgínia, São Paulo, Brazil

open access: yesBrazilian Journal of Biology
The objective of the study was to characterize seasonally and locally the reproduction of Pirapitinga do Sul (Brycon opalinus). The study area included three rivers (Paraibuna, Ipiranga, and Grande) in the Santa Virgínia Unit of the Serra do Mar State ...
LM. Gomiero, FMS. Braga
doaj   +1 more source

Methionine plus cystine to lysine ratio in diets for tambatinga fingerlings

open access: yesCiência e Agrotecnologia, 2021
Among a variety of hybrids produced in Brazil, tambatinga is obtained from the crossing of a tambaqui female with a pirapitinga male. Although rapid weight gain in less time is an attractive characteristic from a commercial viewpoint, the information on ...
Dayana da Conceição da Costa   +5 more
doaj   +1 more source

Weight components in pirapitinga (Piaractus brachypomus) (Cuvier, 1818) (Teleostei: Characidae) in the floodplain of Arauca, Colombia

open access: yesRevista de Investigaciones Veterinarias del Perú, 2023
The aim of this study was to estimate the allometric parameters of different parts of pirapitinga (Piaractus brachypomus), as well as to establish if the growth of these components is allometric or isometric. In total, 60 specimens collected at random from a farm in Arauca (Colombia) were used.
Parés-Casanova, Pere M.   +3 more
openaire   +1 more source

Seedling Production of Cherry Tomato (Solanum lycopersicum var. cerasiforme) on Different Substrates Using Wastewater from a Recirculating Aquaculture System

open access: yesAgriculture
This study evaluated cherry tomato seedling production using pirapitinga RAS wastewater as the sole nutrient source in four substrate formulations: T1 (sand, gravel and coconut fiber), T2 (sand and gravel), T3 (gravel and coconut fiber), and T4 (sand and
Wagner Junio de Freitas Martins   +6 more
doaj   +1 more source

Genetic diversity and population structure of Brycon nattereri (Characiformes: Bryconidae): a Neotropical fish under threat of extinction

open access: yesNeotropical Ichthyology, 2019
Brycon nattereri is an endangered Neotropical fish reported along conserved stretches of the upper Paraná, Tocantins and São Francisco rivers. Populations of this species have been very rare in some Paraná River sub basins.
Bruno A. Galindo   +8 more
doaj   +1 more source

Evaluation of fillet yield and composition of white pirapitinga (Piaractus brachypomus)

open access: yes, 2023
Contextualization: The white cachama is a native species, which has attractive properties and characteristics for both the producer and the consumer. Currently, the main studies. focus on captive reproduction, forms of feeding, genetic improvement, and management.
openaire   +1 more source

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