Results 41 to 50 of about 8,528 (186)
The volume of the sample as a factor of survival of sturgeon spermatozoa after cryopreservation [PDF]
E3S Web of Conferences, 2020 This research was carried out to examine the effect of various volumes (0.5, 0.75, 1.5 and 2 mL) of the frozen sample on cryopreservation of sturgeon sperm and also the possibility of using the method of vitrification of sperm under deep low-temperature ...
Krasilnikova Aleksandra +5 more
doaj +1 more source
Are Mediterranean marine threatened species at high risk by climate change?
Global Change Biology, Volume 29, Issue 7, Page 1809-1821, April 2023., 2023 We evaluate the risk of Mediterranean threatened marine species to climate change, combining a trait‐based evaluation of their vulnerability and exposure to future thermal conditions. More than one‐quarter of threatened Mediterranean marine species are at high climate risk, with hotspots of risk occurring in the west Mediterranean, Adriatic and Aegean ...
Anastasia Chatzimentor +3 more
wiley +1 more source
Ultrasonographic sex determination of the flathead grey mullet (Mugil cephalus)
Veterinary Medicine and Science, Volume 9, Issue 2, Page 802-809, March 2023., 2023 Determination of sex in fish without external sexual dimorphism is important. Sex determination of the flathead grey mullet (Mugil cephalus) in the culture system and spawn‐producing and fish reproduction system is very important. In this regard, 30 flathead grey mullets (early in their maturation) from a farm in Gomishan‐Golestan province, Iran were ...
Majid Masoudifard +5 more
wiley +1 more source
Species Identification of Caviar Based on Multiple DNA Barcoding
Molecules, 2023 This study aimed to explore the applicability of DNA barcoding for assessing the authenticity of caviar on the Chinese market. A set of universal COI primers and two sets of designed primers based on COI and D-loop genes were used to identify maternal ...
Qingqing Hu +5 more
doaj +1 more source
Molecular Ecology Resources, Volume 23, Issue 2, Page 396-409, February 2023., 2023 Abstract Environmental DNA (eDNA) metabarcoding is an effective method for studying fish communities but allows only an estimation of relative species abundance (density/biomass). Here, we combine metabarcoding with an estimation of the total abundance of eDNA amplified by our universal marker (teleo) using a quantitative (q)PCR approach to infer the ...
Didier Pont +14 more
wiley +1 more source
Genomic investigation refutes record of most diverged avian hybrid
Ecology and Evolution, Volume 13, Issue 1, January 2023., 2023 In this article, Alfieri and colleagues revisit the identification of a historic avian hybrid, and using modern genetic techniques, correct the identification, while also correcting the record of the most diverged avian hybrid. Abstract The most diverged avian hybrid that has been documented (Numida meleagris × Penelope superciliaris) was reported in ...
James M. Alfieri +4 more
wiley +1 more source
Acipenser gueldenstaedtii Brandt and Ratzeburg 1833
, 2020 Published as part of Jouladeh-Roudbar, Arash, Ghanavi, Hamid Reza & Doadrio, Ignacio, 2020, Ichthyofauna From Iranian Freshwater: Annotated Checklist, Diagnosis, Taxonomy, Distribution and Conservation Assessment, pp. 1-14 in Zoological Studies 59 (21) on pages 14-15, DOI: 10.6620/ZS.2020.59-21, http://zenodo.org/record ...
Jouladeh-Roudbar, Arash +2 more
openaire +2 more sources
Journal of Veterinary Research, 2020 White sturgeon iridovirus (WSIV) disease is caused by a virus of the eponymous family and is mostly triggered by stressful environmental conditions, i.e. high rearing density, excessive handling, or temporary loss of water.
Hofsoe-Oppermann Paulina +3 more
doaj +1 more source
Юг 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
Acipensins - Novel Antimicrobial Peptides from Leukocytes of the Russian Sturgeon Acipenser gueldenstaedtii [PDF]
Acta Naturae, 2014 Antimicrobial peptides (AMPs) play an important role in the innate defense mechanisms in humans and animals. We have isolated and studied a set of antimicrobial peptides from leukocytes of the Russian sturgeon Acipenser gueldenstaedtii belonging to a subclass of chondrosteans, an ancient group of bony fish. Structural analysis of the isolated peptides,
Shamova, O. +9 more
openaire +4 more sources