Results 21 to 30 of about 6,476 (186)

Intraspecific polymorphism of microsatellite DNA of russian sturgeon (Acipenser gueldenstaedtii, Brandt) [PDF]

open access: yesRibogospodarsʹka Nauka Ukraïni, 2016
Purpose. Determination of the peculiarities of intraspecific genetic polymorphism of Russian sturgeon based on microsatellite DNA markers. Methodology.
O. Malysheva   +4 more
doaj   +2 more sources

Ontogenetic behavior of farm-bred Russian sturgeon (Acipenser gueldenstaedtii) prelarvae in a diel photoperiodic cycle: behavioral modifications in response to light intensity

open access: yesFisheries and Aquatic Sciences, 2019
Russian sturgeon (Acipenser gueldenstaedtii) is commercially important in Korea because its caviar is highly prized. Although the early ontogeny of the species has been described, behavioral modifications in response to various light intensities or diel ...
Eun Jeong Kim   +2 more
doaj   +2 more sources

Atlantic sturgeon Acipenser oxyrinchus and alien sturgeon species in Polish waters: can biometric analysis assist species discrimination and restoration? [PDF]

open access: yesActa Biologica, 2018
Biometric character analyses were conducted on Atlantic sturgeon Acipenser oxyrinchus, a species included in a re-establishment programme in the Baltic Sea basin.
Sławomir Keszka, Remigiusz Panicz
doaj   +2 more sources

Aroma profiling and volatile fingerprinting of commercial caviar (Acipenser baerii and Acipenser gueldenstaedtii) [PDF]

open access: yesLWT
The odorant composition and static headspace PTR-MS profiles of two commercial caviar samples (Acipenser baerii and Acipenser gueldenstaedtii) were investigated. A combined sensory-instrumental investigation applying solvent-assisted flavor evaporation (SAFE), gas chromatography-olfactometry (GC-O), gas chromatography-mass spectrometry (GC-MS), and two-
Rodrigues da Silva, Mariana   +5 more
openaire   +3 more sources

Investigation on possibility of Separation of Acipenser persicus and Acipenser gueldenstaedtii using molecular cytogenetics techniques [PDF]

open access: yes, 2010
Iranian Fisheries Science Research ...
Nowruzfashkhami, Mohammadreza   +3 more
core   +3 more sources

First record of the Danube sturgeon Acipenser gueldenstaedtii Brandt & Ratzeburg, 1833 in Al-Furat Lake, Syria: likely aquaculture escapees [PDF]

open access: yesOceanological and Hydrobiological Studies
This study documents three separate occurrences of the Danube sturgeon (Acipenser gueldenstaedtii; Actinopterygii, Acipenseridae) in Al-Furat Lake, Syria, marking the first recorded presence of this species in Syrian freshwater systems.
Aidek Ahmad E., Jawad Laith A.
doaj   +2 more sources

Theoretical Estimate of Energy Balance and Nutritional Needs of the Population of Russian Sturgeon Acipenser gueldenstaedtii in the Caspian Sea [PDF]

open access: yesCroatian Journal of Fisheries, 2019
Individual and group annual rations of Russian sturgeon Acipenser gueldenstaedtii are calculated on the basis of models describing the energy balance and dynamics of the number of fish generations with natural mortality depending on age. The structure of
Zykov Leonid Alexandrovich   +5 more
doaj   +2 more sources

Investigation of ice particle formation points during fish sperm cryopreservation [PDF]

open access: yesE3S Web of Conferences, 2023
This study was conducted in order to investigate of the points of formation of ice particles during cooling of fish sperm. The object of the study was spermatozoa of the Russian sturgeon (Acipenser gueldenstaedtii Brandt, 1833), hybrid Acipenser ruthenus
Ponomareva Elena   +5 more
doaj   +1 more source

EVOLUTION OF RUSSIAN STURGEON STOCKS (ACIPENSER GUELDENSTAEDTII) IN THE SOUTHERN CASPIAN SEA, IRAN

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2004
The changes of Russian sturgeon stocks in the southern Caspian Sea was studied by measuring and considering different population parameters such as fish length, weight and age and also fluctuation of catch and catch per unit effort.
M. Moghim
doaj   +2 more sources

Application of piezoactuators in the technology of low-temperature preservation of fish reproductive cells [PDF]

open access: yesE3S Web of Conferences, 2023
The sperm of Russian sturgeon (Acipenser gueldenstaedtii Brandt et Ratzeburg, 1833) was the research object. Acoustic-mechanical influence on sturgeon semen improves fish-biological and reproductive indices of the seminal fluid.
Ponomareva Elena   +6 more
doaj   +1 more source

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