Results 31 to 40 of about 1,069 (160)

New host records and description of the egg of Anacanthorus penilabiatus (Monogenea, Dactylogyridae)

open access: yesMemorias do Instituto Oswaldo Cruz, 2001
Anacanthorus penilabiatus is referred parasitizing the type-host Piaractus mesopotamicus (Serrasalmidae) and two new hosts, Colossoma macropomum and C.
MC Pamplona-Basilio, A Kohn, VA Feitosa
doaj   +1 more source

Sistema automatizado de monitoreo de parámetros físico-químicos en producción de alevines Gamitana (Colossoma macropomum)

open access: yesRevista Agrotecnológica Amazónica, 2022
La acuicultura es fuente de producción de alimentos con alto valor nutricional, además de ser una actividad económica generadora de empleo e ingresos; en Perú es una alternativa importante para el desarrollo económico y social, sin embargo, es poco ...
Juan García-Castro   +1 more
doaj   +1 more source

Produtividade de tambaqui criado em tanque-rede com diferentes taxas de alimentação Tambaqui productivity reared in cages with different feeding rations

open access: yesCiência Rural, 2007
O objetivo deste trabalho foi avaliar o efeito da taxa de alimentação sobre a produtividade e os níveis de glicose sangüínea, proteínas totais e triglicérides plasmáticos de juvenis de tambaqui (Colossoma macropomum) criados em tanque-rede.
Edsandra Campos Chagas   +3 more
doaj   +1 more source

Chicken Feather Silage Meal As A Fish Meal Protein Source Replacement In Feed Formula Of Pomfret (Colossoma macropomum)

open access: yesResearch Journal of Life Science, 2016
The research was conducted to know the effect and to determine the best utilization of the chiken feather silage meal as a substitute for fish meal protein source in the feed formula of Colossoma macropomum.
Arning Wilujeng Ekawati   +2 more
doaj   +1 more source

Cross-amplification of heterologous microsatellite markers in Piracanjuba

open access: yesCiência Rural, 2017
: Brycon orbignyanus, popularly known in Brazil as piracanjuba, is a fish with great economic value but whose natural population drastically decreased in number during the last years.
Pedro Luiz de Castro   +8 more
doaj   +1 more source

Nitrogen excretion and oxygen consumption under severe hypoxia in siluriform fishes from the Amazon

open access: yesJournal of Fish Biology, EarlyView.
Abstract Siluriform fishes collected from the Rio Negro and Rio Solimões proved to be highly resistant to aquatic hypoxia. In all four species analysed in this study, aquatic oxygen consumption significantly decreased from normoxic levels at water PO2 values near 1 kPa. Air‐breathing activity was observed only in Sturisoma sp. (Rio Negro).
Bernd Pelster   +2 more
wiley   +1 more source

A wild‐caught rosy barb Pethia conchonius in a British urban pond underscores the need to prevent aquarium releases

open access: yesJournal of Fish Biology, EarlyView.
Abstract A specimen of rosy barb Pethia conchonius of 51 mm standard length, encountered in an urban pond in London, is reported. This small cyprinid is native to lakes and streams in subtropical regions of southern Asia and is commonly sold as an ornamental fish.
Peter J. Barry   +3 more
wiley   +1 more source

Joint effects of elevated copper and temperature in juvenile Tambaqui exposed in black and white waters of the Amazon

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study aimed to investigate how exposure to elevated water temperature and metal concentration jointly affect the physiology of Amazonian fish. Aboard a research vessel in the Amazon, we evaluated the effects of water temperature (river T°C at 31.5°C and a + 4°C increase to 35.5°C) and of 3‐h copper (Cu) exposure (up to 600 μg/L) in ...
Anne Crémazy   +6 more
wiley   +1 more source

Amazonian drought of 2023: Environmental conditions relevant to fishes

open access: yesJournal of Fish Biology, EarlyView.
Abstract This paper provides a platform for the following studies within this Special Issue. ‘Ecophysiology of fishes in the two great tributaries of the Amazon in the Anthropocene’. It documents the water quality conditions and accompanying zooplankton community structure and biomass relative to fish health in the Rio Negro and Rio Solimões during the
Ora E. Johannsson   +10 more
wiley   +1 more source

Bath Treatments With Emamectin Benzoate Control Dactylogyrideans Infecting Colossoma macropomum Gills Without Altering Physiology of This Host Fish

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Intensification of fish aquaculture worldwide has led to severe problems of diseases caused by parasitic dactylogyrideans. In this study, the anti‐dactylogyridean efficacy of treating Colossoma macropomum with baths of emamectin benzoate (EMB) was investigated for the first time, along with the effects of this treatment on the haematology and ...
Raimundo Rosemiro de Jesus Baia   +4 more
wiley   +1 more source

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