Results 71 to 80 of about 18,754 (243)

Formaldehyde Residue in the Muscle of Nile Tilapia

Asian Fisheries Science, 1995
Formaldehyde residues in muscle tissue were determined for Nile tilapia Tilapia niloticus which had been treated indefinitely with formalin at rates of 25 mg·I·1, and bath treatments of 125mg·l·1 for 1.5 h or 250 mg-1-1 for 1 h. In the indefinite treatment, formaldehyde in treated fish in­creased slightly from 48 to 72 h, and levels were back to normal
DEHAI XU, WILMER A. ROGERS
openaire   +1 more source

Changes in the structure of the phytoplankton community in a Nile tilapia fishpond [PDF]

Acta Limnologica Brasiliensia, 2018
Abstract Aim Our objectives were to recognize species that can serve as biological descriptors and evaluate the changes in the phytoplankton community throughout the grow-out period of the Nile tilapia (Oreochromis niloticus Linnaeus 1758) related to management practices and to limnological variables.
Osti, João Alexandre Saviolo, Tucci, Andréa, Camargo, Antonio Fernando Monteiro   +2 more
openaire   +6 more sources

Desempenho de três linhagens de tilápia submetidas ao tratamento com 17-α-metiltestosterona em condições ambientais não controladas Performance of three tilapia strains submitted to 17-α-methyltestosterone, under uncontrolled environmental conditions

Revista Brasileira de Zootecnia, 2009
Este estudo foi realizado para descrever o efeito da reversão sexual de linhagens de tilápia sobre as taxas de sobrevivência, o crescimento e o percentual de machos fenotípicos em condições ambientais variáveis.
Erika Neumann, Teresa Cristina Ribeiro Dias Koberstein, Francisco Manoel de Souza Braga   +2 more
doaj   +1 more source

Improving winter production of Nile tilapia: What can be done?

Aquaculture Reports, 2020
Despite being a tropical species, Nile tilapia is farmed in many subtropical regions worldwide, including southern Brazil, China, and Egypt, where production is hindered during the colder months of the year.
Renata Oselame Nobrega, Jorge Filipe Banze, Rosana Oliveira Batista, Débora Machado Fracalossi   +3 more
doaj   +1 more source

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

Journal 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, Takashi Yada, Graham Young, Amy M. Regish, Stephen D. McCormick   +4 more
wiley   +1 more source

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

Journal 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

Polyculture of European seabass and Nile tilapia in the recirculating aquaculture system with brackish water: Effects on the growth performance, feed utilization, and health status

Aquaculture and Fisheries
Non-traditional aquaculture practices are crucially needed to overcome the climate change consequences, especially in countries suffering from water shortages.
Mahmoud A.O. Dawood, Khaled Madkour, Hani Sewilam   +2 more
doaj   +1 more source

Genome-Wide Patterns of Population Structure and Linkage Disequilibrium in Farmed Nile Tilapia (Oreochromis niloticus)

Frontiers in Genetics, 2019
Nile tilapia (Oreochromis niloticus) is one of the most produced farmed fish in the world and represents an important source of protein for human consumption.
Grazyella M. Yoshida, Grazyella M. Yoshida, Agustín Barria, Katharina Correa, Giovanna Cáceres, Ana Jedlicki, María I. Cadiz, Jean P. Lhorente, José M. Yáñez, José M. Yáñez, José M. Yáñez   +10 more
doaj   +1 more source

Bony fish genomes: Status and gaps

Journal of Fish Biology, EarlyView.
Abstract Bony fish constitute an exceptionally species‐rich group of aquatic vertebrates, comprising more than 95% of all living fish. The adaptive processes on the diversity of environments they inhabit make them a highly diverse group from taxonomic, morphological and evolutionary standpoints.
Noelia Pérez‐Pereira, Carmen Bouza, Paulino Martínez, Diego Robledo   +3 more
wiley   +1 more source

Oxytetracycline Residue in the Muscle of Nile Tilapia

Asian Fisheries Science, 1995
Oxytetracycline (OTC) residue in Nile tilapia Tilapia niloticus muscle was assayed after OTC injection and oral administration. The OTC concentration in fed fish was the greatest after 10 d of feeding medicated feed, and was 0.46 and 0.14 µg·g·1in the 75 and 50 mg OTC·kg·1treatments, respectively.
DEHAI XU, WILMER A. ROGERS
openaire   +1 more source