Results 21 to 30 of about 6,978 (263)

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This digital archive provides a compilation of previously unpublished information regarding a 1991 observation of a live sturgeon (Family Acipenseridae) in the Rio Grande-Río Bravo of the USA and Mexico.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

PRELIMINARY RESULTS OF EXPERIMENTAL WORK ON PRODUCING OFFSPRING AND COMPARATIVE EVALUATION OF PURE SPECIES (WHITE STURGEON, FRINGEBARBEL STURGEON) AND THEIR INTERSPECIES HYBRIDS (WHITE STURGEON × FRINGEBARBEL STURGEON AND FRINGEBARBEL STURGEON × WHITE STURGEON)

open access: yesVestnik of Astrakhan State Technical University. Series: Fishing industry, 2020
The article presents the comparative results of the experimental work on studying valuable pure species offspring (white sturgeon, fringebarbel sturgeon) and their interspecies hybrid forms (white sturgeon × fringebarbel sturgeon and fringebarbel sturgeon × white sturgeon) in the early stages of ontogenesis.
Vera Gnucheva   +2 more
openaire   +2 more sources

Ad Palatinas acipensem mittite mensas: Fish remains from Viminacium [PDF]

open access: yesStarinar, 2019
The paper presents the results of archaezoological analysis of fish remains from three locations at Viminacium (the Amphitheatre, Nad Klepečkom and Pirivoj), discussed jointly with finds of fishing equipment and relevant written sources on the ...
Živaljević Ivana R.S.   +2 more
doaj   +1 more source

Toxic effects of PCB126 and TCDD on shortnose sturgeon and Atlantic sturgeon [PDF]

open access: yesEnvironmental Toxicology and Chemistry, 2012
AbstractExposure to chemical contaminants is often invoked to explain recruitment failures to populations of sturgeon worldwide, but there is little empirical evidence to support the idea that young sturgeon are sensitive at environmentally relevant concentrations.
R Christopher, Chambers   +4 more
openaire   +2 more sources

Age and heat stress as determinants of telomere length in a long-lived fish, the Siberian Sturgeon [PDF]

open access: yes, 2016
Telomeres shorten at each cell division due to the end-replication problem but also in response to oxidative stress. Consequently, telomeres shorten with age in many endotherms, and this shortening is accelerated under stressful environmental conditions.
Angelier, Frédéric   +3 more
core   +3 more sources

Biological peculiarities of the body of juvenile sturgeons (Acipenseridae Bonaparte, 1831) under the action of synthetic and organic immunostimulators

open access: yesRibogospodarsʹka Nauka Ukraïni, 2023
Purpose. To analyze the productive-biological and biochemical parameters of sturgeon larvae and fry under conditions of introduction of synthetic (Levamisole) and organic (Chitosan) immunostimulants into their diet.
Yu. Zabytivskyi   +4 more
doaj   +1 more source

Tetraodon genome confirms Takifugu findings : most fish are ancient polyploids [PDF]

open access: yes, 2004
An evolutionary hypothesis suggested by studies of the genome of the tiger pufferfish Takifugu rubripes has now been confirmed by comparison with the genome of a close relative, the spotted green pufferfish Tetraodon nigroviridis.
Van de Peer, Yves
core   +1 more source

MICROSATELITTE DNA VARIATION IN THE BLACK SEA STELLATE STURGEON, ACIPENSER STELLATUS

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Marine migratory sturgeons represent one of the most important fishery resources, both from a scientific and commercial point of view. Anthropogenic influence and other factors caused the dramatically decrease of sturgeon stocks in Romania. This required
ANDREEA DUDU   +4 more
doaj  

Chemical induction of haploid gynogenesis in sterlet Acipenser ruthenus

open access: yesCzech Journal of Animal Science, 2014
Chromosomal manipulations in sturgeons, particularly gynogenesis, are interesting due to the potential to change female ratio in progeny that can be useful for caviar production.
I. Lebeda, I. Gazo, M. Flajshans
doaj   +1 more source

Molecular Identification of Residual DNA Separated from the Persian Sturgeon (Acipenser persicus) for Modeling eDNA Evaluation in Aquatic Ecosystem [PDF]

open access: yesJournal of Genetic Resources, 2023
Considering the importance of Caspian Sea sturgeon conservation according to CITES rules, finding effective and efficient methods for tracing and identifying sturgeon species are necessary.
Hor Torabi Jafroudi   +3 more
doaj   +1 more source

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