Results 21 to 30 of about 673 (157)

Modern ecological problems of restoration and conservation of the sturgeon population in the Ural River basin

open access: yesЮг России: экология, развитие, 2023
Aim. The aim of this study was to conduct an analysis of long‐term changes in the number of sturgeon populations and its relationship with the fishing regime and the current state of the Ural River basin, as well as develop measures for the conservation ...
K. M. Akhmedenov, A. A. Chibilev
doaj   +1 more source

The fauna of endoparasites in Acipenser ruthenus Linnaeus, 1758 from the Serbian part of the Danube River [PDF]

open access: yesArchives of Biological Sciences, 2008
Helminths of sterlet (Acipenser ruthenus L.) from the Danube River were studied as a part of ichthyoparasitological research in Serbia. The fish were collected during the period of 2002 - 2003 along the Danube's course through the Belgrade region.
Cakić P.   +5 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

Impact of cryopreservation on lipid composition of reproductive cells of male sterlets (Acipenser Ruthenus L.)

open access: yesAgricultural Science and Practice, 2018
Aim. To estimate the impact of low temperatures on the lipid composition of reproductive cells of male sterlets (Acipenser ruthenus L) in cryopreservation environment. Methods.
L. Drahan   +3 more
doaj   +1 more source

Aннотированный список рыбообразных и рыб водоемов и водотоков бассейна верхнего Иртыша Восточного Казахстана с комментариями по их таксономии и зоогеографии

open access: yesActa Biologica Sibirica, 2019
Приводится список рыбообразных и рыб, обитающих в водоемах и водотоках бассейна Верхнего Иртыша. Список содержит 43 вида, относящихся к 7 отрядам, 10 семействам и 30 родам. Включены все зарегистрированные на настоящий момент виды, валидность которых была
A. A. Yevseyeva   +2 more
doaj   +1 more source

Comparison of Metabolic Rates of Young of the Year Beluga (Huso huso), Sterlet (Acipenser ruthenus) and Bester Hybrid Reared in a Recirculating Aquaculture System

open access: yesFishes, 2021
In the present study, oxygen consumption of two sturgeon species, beluga (Huso huso), sterlet (Acipenser ruthenus), and their hybrid reared in a recirculating aquaculture system were compared over body intervals from 54–107 g to determine the ...
Mirela Crețu   +3 more
doaj   +1 more source

Assessement of Growth Performances of Juvenile Sterlet Acipenser ruthenus Raised in a Recirculating Aquaculture System (RAS)

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The study was conducted within the recirculating aquaculture system for sturgeon rearing in Herneacova village, Timis County, on a population of juvenile sterlet (Acipenser ruthenus) aged between 346-431 days. Specimens were housed in five round tanks (Ø=
Marioara Nicula   +7 more
doaj  

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  

Fish fauna from Lower Romanian Mureș River [PDF]

open access: yesScientific Annals of the Danube Delta Institute, 2020
In the summer 2019 ichthyofauna was investigated in 4 localities sites of Lower Romanian Mureș River: Lipova, Sâmbăteni, Semlac and Nădlag. The status of fish fauna and presence of community interest species (An.
NASTASE Aurel   +3 more
doaj   +1 more source

Monitoring of hydrochemical parameters of the recirculating aquasystem in the early stages of ontogeny of Acipenser Ruthenus

open access: yesНауковий вісник Львівського національного університету ветеринарної медицини та біотехнологій імені С.З. Гжицького. Серія: Сільськогосподарські науки
The technological process of reproduction and rearing of Acipenser Ruthenus, juveniles and older age groups, in industrial fish farms is carried out in recirculating aquaculture systems with constant monitoring of the hydrochemical regime of the aquatic ...
N. E. Hrynevych, Yu. V. Osadcha
doaj   +1 more source

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