Results 21 to 30 of about 3,083 (161)

Biologia reprodutiva do Tambaqui, Colossoma macropomum Cuvier, 1818 (Teleostei, Serrasalmidae), no baixo Amazonas, Brasil [PDF]

open access: yesActa Amazonica, 1999
Analisaram-se aspectos da biologia reprodutiva do tambaqui (Colossoma macropomum) na região do Baixo Amazonas. Foram coletados 1232 exemplares entre outubro de 1994 e fevereiro de 1996, nos mercados e frigoríficos de Santarém no Estado do Pará ...
Elisabeth Farias VIEIRA   +2 more
doaj   +1 more source

Densidade de estocagem de juvenis de tambaqui durante a recria em tanques-rede Stocking density of tambaqui juveniles during second growth phase in cages

open access: yesPesquisa Agropecuária Brasileira, 2004
O objetivo deste trabalho foi determinar a densidade de estocagem mais adequada para a fase de recria de juvenis de tambaqui (Colossoma macropomum) em tanque-rede.
Franmir Rodrigues Brandão   +3 more
doaj   +1 more source

First record of Neoechinorhynchus buttnerae (Eoacantocephala, Neochinorhynchidae) on Colossoma macropomum (Characidae) in a fish farm in Roraima, Brazil [PDF]

open access: yesActa Amazonica, 2018
Severe infections by the acanthocephalan Neoechinorhynchus buttnerae were reported in Colossoma macropomum in fish farms in northern Brazil. The occurrence of the parasite is recorded for the first time in the state of Roraima, Brazil, along with its ...
Jeffson Nobre PEREIRA   +1 more
doaj   +2 more sources

Behavioral assessment of Tambaqui juveniles (Colossoma macropomum) exposed to different ambient colors and social stress

open access: yesBioscience Journal, 2023
Animal welfare regards the quality of life and the environment in which animals live or are exposed. Hence the importance of studies assessing the environmental influence on the biology and behavior of fishes from the Colossoma macropomum species ...
Osléias Ferreira Aguiar   +4 more
doaj   +1 more source

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

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

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