Results 1 to 10 of about 23,902 (237)

An Analysis of the Movement Trajectories of the Endangered Acipenser gueldenstaedtii in Ammonia-Supplemented Environments Using Image Processing Methods [PDF]

open access: yesAnimals
In this study, the effect of ammonia on the Acipenser gueldenstaedtii was investigated using non-invasive methods. Different concentrations (100, 200, and 400 mg·lt−1) of ammonium chloride (NH4Cl) were added to the experimental groups to simulate ammonia
Beytullah Ahmet Balci   +4 more
doaj   +2 more sources

A comparative analysis of feeding habits of sturgeon fish in shallow coastal waters of Mazandaran and Golestan Provinces, south Caspian Sea [PDF]

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2005
Feeding habits of different genera of 354 sturgeon specimens (Acipenser persicus, Acipenser nudiventris, and Acipenser stellatus) were compared over the years 1999-2000 caught in the coastal waters less than 20 meters deep of Mazandaran and Golestan ...
A. Hashemian; H. Khoshbavar rostmi; H. Talishan
doaj   +2 more sources

Unscreened water-diversion pipes pose an entrainment risk to the threatened green sturgeon, Acipenser medirostris. [PDF]

open access: yes, 2014
Over 3,300 unscreened agricultural water diversion pipes line the levees and riverbanks of the Sacramento River (California) watershed, where the threatened Southern Distinct Population Segment of green sturgeon, Acipenser medirostris, spawn.
Bandeh, Hossein   +9 more
core   +22 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

A Multistep DNA-Based Methodology for Accurate Authentication of Sturgeon Species

open access: yesFoods, 2022
The sturgeons (order Acipenseriformes) are caviar producers and some of the most valuable fish species worldwide. Due to different reasons, wild populations are now at the brink of extinction.
Andreea Dudu   +3 more
doaj   +1 more source

Detection of white sturgeon iridovirus (WSIV) in sturgeons (Actinopterygii: Acipenseriformes: Acipenseridae) from aquaculture facilities located in Poland, Germany, and Italy [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2019
Background. White sturgeon iridovirus (WSIV) is one of the most serious threats for sturgeon aquaculture as the mortality in juvenile individuals can reach 95%.
P. Hofsoe-Oppermann   +3 more
doaj   +3 more sources

First records of Acipenser baerii and Huso huso (Actinopterygii: Acipenseriformes: Acipenseridae) from the Tigris–Euphrates basin, Iran [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2019
We report herewith the first record of the Siberian sturgeon, Acipenser baerii Brandt, 1869, and the beluga, Huso huso (Linnaeus, 1758), from the Tigris–Euphrates basin. It is also the first Iranian record of Acipenser baerii from natural water
H. Mousavi-Sabet   +3 more
doaj   +3 more sources

Delivery of Iron Oxide Nanoparticles into Primordial Germ Cells in Sturgeon

open access: yesBiomolecules, 2019
Nanoparticles are finding increasing applications in diagnostics, imaging and therapeutics in medicine. Iron oxide nanoparticles (IONs) have received significant interest of scientific community due to their distinctive properties. For the first time, we
Abdul Rasheed Baloch   +7 more
doaj   +1 more source

Oxidative Stress and Antioxidant Defense Mechanisms in Response to Starvation and Refeeding in the Intestine of Stellate Sturgeon (Acipenser stellatus) Juveniles from Aquaculture

open access: yesAnimals, 2021
Acipenser stellatus is a critically endangered species due to the anthropic influence. It has been intensively captured for decades because of its high economic value, its roe being used in the caviar industry.
Iulia Elena Florescu (Gune)   +8 more
doaj   +1 more source

Documentation Related to a 1991 Observation of Sturgeon in the Rio Grande – Río Bravo, USA (Texas) and Mexico (Coahuila) [PDF]

open access: yes, 2018
This digital archive provides a compilation of previously unpublished information regarding a 1991 observation of a live sturgeon (Family Acipenseridae) in the Rio Grande-Río Bravo of the USA and Mexico.
Cohen, Adam E.   +2 more
core   +1 more source

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