Russian (Acipenser gueldenstaedtii), Persian (A. persicus) and Siberian (A. baerii) sturgeons are closely related ‘Ponto-Caspian’ species. Investigation of their population structure is an important problem, the solution of which determines measures for ...
Alexey Sergeev
doaj +2 more sources
Species which may act as vectors or reservoirs of diseases covered by the Animal Health Law: Listed pathogens of fish. [PDF]
Abstract Vector or reservoir species of five fish diseases listed in the Animal Health Law were identified, based on evidence generated through an extensive literature review (ELR), to support a possible updating of Regulation (EU) 2018/1882. Fish species on or in which highly polymorphic region‐deleted infectious salmon anaemia virus (HPR∆ ISAV), Koi ...
EFSA Panel on Animal Health and Welfare (AHAW) +36 more
europepmc +2 more sources
Leiomyoma Causing Disease in a Wild Adriatic Sturgeon (Acipenser naccarii, Bonaparte, 1836). [PDF]
ABSTRACT The Adriatic sturgeon, Acipenser naccarii, is an endemic species to the Adriatic Sea basin classified as critically endangered according to the IUCN Red List. Limited information is available regarding the health status and diseases affecting this species, particularly in the wild.
Marsella A +8 more
europepmc +2 more sources
Application of piezoactuators in the technology of low-temperature preservation of fish reproductive cells [PDF]
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
The Preference of Anadromous Sturgeon Species Regarding Temperature and Depth Parameters During Spawning Migration in The Lower Danube [PDF]
Anadromous sturgeon populations in the Lower Danube are in severe decline, and this is due to a combination of anthropogenic and natural factors that have a major impact on the life cycle of the species.
Deák György +5 more
doaj +1 more source
EVOLUTION OF RUSSIAN STURGEON STOCKS (ACIPENSER GUELDENSTAEDTII) IN THE SOUTHERN CASPIAN SEA, IRAN
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 +3 more sources
Occurrence of exotic Russian sturgeons, Acipenser gueldenstaedtii Brandt et Ratzeburg, 1833 (Actinopterygii: Acipenseridae) in the Baltic Sea [PDF]
Exotic species of acipenserid fishes have been frequently encountered in the commercial catches of the Baltic Sea, since the early 1990s. Such sightings are rarely reflected as published records.
S. Keszka, T. Heese
doaj +3 more sources
Detection of white sturgeon iridovirus (WSIV) in sturgeons (Actinopterygii: Acipenseriformes: Acipenseridae) from aquaculture facilities located in Poland, Germany, and Italy [PDF]
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
River Damming Impacts on Fish Habitat and Associated Conservation Measures
Abstract River damming has brought great benefits to flood mitigation, energy and food production, and will continue to play a significant role in global energy supply, particularly in Asia, Africa, and South America. However, dams have extensively altered global river dynamics, including riverine connectivity, hydrological, thermal, sediment and ...
Qiuwen Chen +16 more
wiley +1 more source

