Results 51 to 60 of about 9,725 (254)

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

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

Variáveis hematológicas em tambaquis anestesiados com óleo de cravo e benzocaína. [PDF]

open access: yes, 2017
O objetivo deste trabalho foi avaliar o efeito anestésico de óleo de cravo e benzocaína sobre os parâmetros hematológicas e a fragilidade osmótica dos eritrócitos em tambaqui (Colossoma macropomum)
CHAGAS, E. C.   +5 more
core   +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

Physiological and oxidative responses of Colossoma macropomum and hybrid ♀ C. macropomum × ♂ Piaractus brachypomus subjected to different stressors in a recirculating aquaculture system (RAS) [PDF]

open access: yesAnais da Academia Brasileira de Ciências
The effects of acute handling stress on the physiological and antioxidant responses of tambaqui (Colossoma macropomum) and the hybrid tambatinga (C.
SIDNEY S. SILVA   +6 more
doaj   +1 more source

The effect of fairy shrimp “branchoneta” (Dendrocephalus brasiliensis) as the initial diet of tambaqui postlarvae

open access: yesActa Scientiarum: Animal Sciences, 2021
The effect of fairy shrimp “branchoneta” as the first exogenous feed for tambaqui postlarvae was evaluated. A hundred and eighty larvae were distributed in 12 aquariums, containing 1.5L of water and the stocking density was 10 larvae per liter.
Aline da Cruz Daltro   +4 more
doaj   +1 more source

Recomendações técnicas para a reprodução do tambaqui. [PDF]

open access: yes, 2013
Das espécies nativas brasileiras, o tambaqui (Colossoma macropomum) é a mais produzida em cativeiro. Quase a totalidade da produção desse animal puro ocorre nos estados da região Norte do Brasil, com destaque para Rondônia.
DIGMAYER, M.   +7 more
core  

Oocyte quality of tambaqui (Colossoma macropomum) during the reproductive season [PDF]

open access: yesBrazilian Journal of Biology, 2015
The study aimed to analyze the Colossoma macropomum reproductive behavior and quality of the female gametes throughout the reproductive season. The experiment was carried out in Pimenta Bueno - Rondônia State (Northern Brazil) during the reproductive season (2010-2011) using 36 females. Each sampling was performed on a 15 ± 5 days interval.
Galo, JM.   +6 more
openaire   +6 more sources

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

Efeito de banhos terapêuticos com formalina sobre indicadores de estresse em tambaqui. [PDF]

open access: yes, 2019
O objetivo deste trabalho foi avaliar o efeito de concentrações terapêuticas de formalina na homeostase de tambaqui (Colossoma macropomum Cuvier 1818) por meio de índices ...
ARAÚJO, L. D. de   +3 more
core  

Home - About - Disclaimer - Privacy