Results 61 to 70 of about 27,218 (243)

Expression of corticoid‐regulatory genes in the gills of Atlantic salmon (Salmo salar) parr and smolt and during salinity acclimation

open access: yesJournal of Fish Biology, EarlyView.
Abstract In teleost fishes, cortisol is the major corticoid and has both glucocorticoid and mineralocorticoid actions. However, how fish tissues discriminate between these distinct corticosteroid actions is unclear. In mammals, the major factors responsible for intracellular corticosteroid regulation are glucocorticoid receptors (grs) and the ...
Makoto Kusakabe   +4 more
wiley   +1 more source

Avaliação toxicológica em peixes da espécie Oreochromis niloticus expostos às águas do Rio Cubatão do Sul/SC: estudo genotóxico, epigenético e de estresse oxidativo [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2013.A poluição aquática é considerada uma das principais preocupações ambientais nas áreas urbanas.
Fuzinatto, Cristiane Funghetto
core  

Pengaruh Perbedaan Tadah Air Hujan dan Tadah Air Tawar terhadap Tingkat Pertumbuhan Ikan Nila (Oreochromis Niloticus) di Desa Randusanga Wetan Kabupaten Brebes

open access: yesJFMR-Journal of Fisheries and Marine Research
Ikan nila (Oreochromis niloticus) merupakan salah satu komoditas perikanan yang digemari masyarakat dalam memenuhi kebutuhan protein hewani karena memiliki daging yang tebal serta rasa yang enak. Ikan nila juga merupakan ikan primadona ekspor yang terus
Karina Farkha Dina   +4 more
doaj   +1 more source

BACTERIOLOGICAL STUDIES ON AEROMONAS INFECTIONS OF NILE TILAPIA (OREOCHROMIS NILOTICUS ) IN FISH FARMS IN ALEXANDRIA GOVERNORATE .

open access: yesAssiut Veterinary Medical Journal, 2007
A history of sever mortalities and morbidities among cultured Oreochromis niloticus in many different  freshwater fish farms in Alexandria province were reported.                                                                                             
OLA A . BASHA
doaj   +1 more source

Fish diversity and composition of Tugwi Mukosi Dam, Zimbabwe's largest inland reservoir post impoundment

open access: yesAquaculture, Fish and Fisheries, 2021
The fish diversity and composition of Tugwi Mukosi Dam, Zimbabwe's largest inland reservoir was investigated in 2019 (post impoundment phase) after the reservoir filled in 2017.
Terence Magqina   +2 more
doaj   +1 more source

‘It's not much, but it's honest work’: The status of environmental DNA analyses of fish biodiversity in southern Africa

open access: yesJournal of Fish Biology, EarlyView.
Abstract Environmental DNA (eDNA) biodiversity surveys have the power to transform the detection of species in natural environments, which is crucial for the conservation and management of freshwater, estuarine and marine environments. Globally, eDNA‐based analyses have increased significantly, with fishes being the most widely studied aquatic ...
Sophie von der Heyden
wiley   +1 more source

Resposta hematológica e imunológica de tilápia do Nilo após aplicação de vacina polivalente por banho de imersão, injeção intraperitoneal e administração oral [PDF]

open access: yes, 2008
TCC (graduação em Engenharia de Aquicultura) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, 2008O objetivo deste estudo foi avaliar a eficácia da administração de vacina polivalente, contra Aeromonas hydrophila, Pseudomonas ...
Silva, Bruno Corrêa da
core  

Broad Niche Overlap between Invasive Nile Tilapia Oreochromis niloticus and Indigenous Congenerics in Southern Africa: Should We be Concerned?

open access: yesEntropy, 2015
This study developed niche models for the native ranges of Oreochromis andersonii, O. mortimeri, and O. mossambicus, and assessed how much of their range is climatically suitable for the establishment of O.
Tsungai A. Zengeya   +2 more
doaj   +1 more source

Fish welfare in a changing world: New developments and current challenges

open access: yesJournal of Fish Biology, EarlyView.
Abstract The welfare of non‐human animals is central to ethical discussions on animal use, with increasing attention to fish welfare across research, aquaria, aquaculture, and fisheries. This paper reviews current theoretical approaches to animal welfare and recent advances in defining and assessing fish welfare since the seminal paper by Huntingford ...
Sonia Rey Planellas   +16 more
wiley   +1 more source

Growth performance of exotic Oreochromis niloticus, exotic Oreochromis niloticus fed with pelleted feeds in flow-through system [PDF]

open access: yes, 1999
Local, exotic and hybrid tilapia fingerlings were fed 45% crude protein diet containing 18% fish meal in a flow through system in triplicate and their growth and food utilization observed for 14 weeks.
Eyo, A.A., Okoye, F.C., Sebiola, D.
core   +2 more sources

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