Results 51 to 60 of about 98,504 (307)

Dietary assessment of age-0 pallid sturgeon and shovelnose sturgeon: implications for surrogacy

open access: yesEndangered Species Research, 2019
Validation is critical when considering potential surrogates for endangered species research. The pallid sturgeon Scaphirhynchus albus is federally endangered in the USA, whereas the congeneric shovelnose sturgeon S. platorynchus is common.
NJC Gosch   +4 more
doaj   +1 more source

Identification and differential expression of piRNAs in the gonads of Amur sturgeon (Acipenser schrenckii) [PDF]

open access: yesPeerJ, 2019
Objective Sturgeons are considered living fossils, and have a very high conservation and economic value. Studies on the molecular mechanism of sturgeon gonadal development and sex differentiation would not only aid in understanding vertebrate sex ...
Lihong Yuan   +4 more
doaj   +2 more sources

Effects of different light intensities and photoperiods on growth, survival rate and yolk-sac volume changes of the Persian sturgeon (Acipenser persius) larvae [PDF]

open access: yesبوم‌شناسی آبزیان, 2016
The aim of this study was to assess the effect of different light intensities and photoperiods on growth, survival, and the yolk sac absorb of the Persian sturgeon, Acipenser persicus, larvae.
Rezvanollah Kazemi   +4 more
doaj  

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

Genome-wide identification, phylogeny and expressional profile of the Dmrt gene family in Chinese sturgeon (Acipenser sinensis)

open access: yesScientific Reports
Chinese sturgeon Dmrt gene family was identified and characterized for the first time. A total of 5 putative Dmrt genes were identified. The gene structure, conserved protein domain and the phylogenetic relationship of Dmrt gene family were ...
Yacheng Hu   +8 more
doaj   +1 more source

Maturation and Reproduction of Shovelnose Sturgeon in the Middle Mississippi River [PDF]

open access: yes, 2009
Shovelnose sturgeon Scaphirhynchus platorynchus in the middle Mississippi River provide one of the last commercially viable sturgeon fisheries in the world, yet their maturation and reproduction have not been linked.
Burr, Brooks M   +6 more
core   +2 more sources

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

Panama City Fisheries Resources Office: FY 2002 Annual Report [PDF]

open access: yes, 2003
HIGHLIGHTS FOR FY 2002 1. United States Senator Bob Graham assisted with a Gulf sturgeon survey. 2. Completed 3-year Gulf sturgeon population study in the Choctawhatchee River drainage. 3. Completed Gulf sturgeon potential spawning habitat survey for

core  

Development of growth rate, body lipid, moisture, and energy models for white sturgeon (Acipenser transmontanus) fed at various feeding rates. [PDF]

open access: yes, 2017
The objectives were to develop and evaluate: 1) growth rate models, 2) body lipid, moisture, and energy models for white sturgeon fed at various feeding rates (FR; % body weight [BW] per day) and then evaluate responses at proportions of optimum feeding ...
Fadel, James G   +3 more
core   +1 more source

Patient‐ and Clinician‐Related Factors Associated With the Reduction in Opioid Use Among Adults With Chronic Non‐Cancer Pain: A Systematic Review

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
Despite known risks, opioids are widely used for chronic non‐cancer pain (CNCP). Clinical guidelines now recommend deprescribing, but factors predicting success are poorly understood. This systematic review aimed to identify clinician and patient factors associated with attaining successful opioid dose reduction or discontinuation in adults with CNCP ...
Alessandra C. Marcelo   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy