Results 51 to 60 of about 3,438,733 (270)

Recent advances in sturgeon nutrition. [PDF]

open access: yes, 2017
Sturgeons are fish species of biological and economical importance, and most of them are endangered, vulnerable or rare because of their large size, late sexual maturity, long period between spawning, and longevity.
Hung, Silas SO
core   +2 more sources

Seasonal Changes of Growth, Immune Parameters and Liver Function in Wild Chinese Sturgeons Under Indoor Conditions: Implication for Artificial Rearing

open access: yesFrontiers in Physiology, 2022
Seasonality has a significant effect on the physiology of fish, especially the effect of water temperature changes. In the present study, the growth, innate immune parameters and liver function indices of two rescued wild adult Chinese sturgeons under ...
Yueping Zheng   +14 more
doaj   +1 more source

Developing microsatellite duplex PCR reactions for sterlet (Acipenser ruthenus) and their application in parentage identification

open access: yesScientific Reports, 2022
The sterlet (Acipenser ruthenus) is one of the 27 sturgeon species and is well-known for its wide distribution and small body size in comparison to other sturgeons.
Jun Wang   +3 more
doaj   +1 more source

Responses of spawning thermal suitability to climate change and hydropower operation for typical fishes below the Three Gorges Dam

open access: yesEcological Indicators, 2021
River thermal regime is a critical factor affecting the initiation of spawning and breeding success in freshwater fish species. The four main domestic carps (FMDCs) and Chinese sturgeon are representative warm-water and cool-water fishes with different ...
Peng Zhang   +5 more
doaj   +1 more source

Cryopreservation of common carp sperm [PDF]

open access: yes, 2003
Experiments were carried out to investigate the effect of five extenders (sucrose, glucose, fructose, KCl and a saline carp sperm extender) and two cryoprotectants (dimethyl-sulfoxide (DMSO) and methanol) on the cryopreservation of common carp sperm ...
Horváth, Ákos   +2 more
core   +1 more source

Drifting with Flow versus Self-Migrating—How Do Young Anadromous Fish Move to the Sea?

open access: yesiScience, 2019
Summary: The downriver migration process of young anadromous fish has a far-reaching impact on their survival rate and the efficacy of hatchery-reared fish release, but it is poorly understood.
Zhenli Huang
doaj   +1 more source

Effects of Feeding Strategy on Growth, Digestive Enzymes, and Liver Structure in Juvenile Coreius guichienoti

open access: yesProgress in Fishery Sciences
The rare and endemic largemouth bronze gudgeon (Coreius guichenoti) inhabits the middle and upper reaches of the Yangtze River. It is a typical migratory river fish found in the vicinity of rapids.
Yu ZHAO   +5 more
doaj   +1 more source

Beyond mammals: the evolution of chewing and other forms of oropharyngeal food processing in vertebrates

open access: yesBiological Reviews, EarlyView.
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz   +6 more
wiley   +1 more source

Green Innovation and Firm Efficiency: The Role of Institutional Quality in Italian High‐Tech Manufacturing Sectors

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The aim of this research is to verify whether institutional quality affects the relationship between green innovation and firm efficiency within the high‐tech manufacturing sectors. To estimate jointly the parameters of a stochastic frontier and the coefficients of a model explaining technical inefficiency, we employed the one‐step estimation ...
Mariarosaria Agostino   +2 more
wiley   +1 more source

Correlation between the Density of Acipenser sinensis and Its Environmental DNA

open access: yesBiology, 2023
Since the construction of the Gezhouba Dam, Chinese sturgeon (Acipenser sinensis) numbers have gradually declined, rendering this species critically endangered according to the International Union for the Conservation of Nature.
Xiaojing Wang   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy