Results 81 to 90 of about 3,771 (234)

Mitochondrial-DNA Variation in Pallid and Shovelnose Sturgeons, \u3ci\u3eScaphirhynchus\u3c/i\u3e (Pisces: Acipenseridae) [PDF]

open access: yes, 2000
Sequencing analysis was used to characterize a mtDNA D-loop amplicon of 838 bp. Four pallid sturgeons, Scaphirhynchus albus, and four shovelnose sturgeons, S.
Szalanski, Allen L., Bischof, Richard
core  

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

Take my breath away: Defining the oxygen saturation threshold for fish cortisol stress response

open access: yesJournal of Fish Biology, EarlyView.
Abstract Human activities are affecting the number, size and severity of hypoxic zones in aquatic ecosystems. As oxygen is one of the most important abiotic factors affecting fish biology, exposure to low levels of dissolved oxygen may lead to a reduction in fitness.
Sébastien Alfonso   +4 more
wiley   +1 more source

Determining karyotype of sturgeons [PDF]

open access: yes, 1995
Karyotype of sturgeons Huso huso, Acipenser stellatus, and Acipenser persicus from southern region of- the Caspian Sea, has been examined by use of blood tissue culture.
Noruz Fashkhami, Mohammad Reza
core   +2 more sources

TECHNOLOGICAL ASPECTS REGARDING REARING OF THE ACIPENSER RUTHENUS SPECIES, ALBINO VARIETY TO SECOND SUMMER OLD, IN BRATES STURGEONS STATION

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The Acipenser ruthenus (Linnaeus, 1758), albino variety, in the second summer rearing to Brates sturgeons station from Galati was experimented. A number of 513 one year old sterlet were stocked in three Ewos fibreglass tanks, at an individual mean weight
ELENA JECU   +5 more
doaj  

Renal Trichodinosis in the Japanese Rice Fish, Oryzias latipes: First Report and Phylogenetic Classification

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Investigation of a disease outbreak in a hobbyist's medaka (Oryzias latipes) collection led to the detection of Trichodina sp. in the kidney tubuli of individual fish. Based on this observation, a thorough clinical workup, including native microscopy, histopathology and molecular genetics, was conducted.
J. Harl   +3 more
wiley   +1 more source

Sturgeons are more than caviar: a plea for the revival of sturgeons in the Danube River (Literature review)

open access: yes, 2003
This paper compiles an extensive literature study (Reinartz 2002) on the biology, ecology and status of the Danubian sturgeon species, as well as possibilities for their conservation and restoration.
Bloesch, J. (author)   +3 more
core   +1 more source

Innovative Field Applications of Probiotics, Prebiotics, and Medicinal Plant Products for Disease Control in Aquaculture

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Disease outbreaks and the associated reliance on antibiotics pose major constraints to the sustainability of modern aquaculture. As regulatory pressures increase and consumer demand shifts toward residue‐free production, diverse biological interventions are gaining prominence as viable alternatives to chemotherapeutics.
Mustafa Öz   +5 more
wiley   +1 more source

Sterlet (Acipenser ruthenus Linnaeus, 1758) in recirculating aquaculture systems (RAS). Thematic bibliography Home2026№ 2/2026 (76)

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. To create a thematic bibliographic list of publications, which highlight the results of scientific research on growing different age groups of sterlet (Acipenser ruthenus Linnaeus, 1758) in recirculating aquaculture systems. Methods. Systemic
Ir. Hrytsyniak, T. Shvets
doaj   +1 more source

PHYSICO-CHEMICAL LIMITATIVE FACTORS FOR GROWTH AND DEVELOPMENT IN STERLET (ACIPENSER RUTHENUS LINNAEUS, 1758) IN EXTENSIVELY SYSTEM

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The oldest and most common method of increasing fish is a fish breeding ponds in which the supervision of nutrition and growth of biological material.
R. C. DIMA   +4 more
doaj  

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