Results 21 to 30 of about 2,966 (181)

Application of ovarian insemination method for the artificial reproduction of Caspian kutum (Rutilus frisii) under controlled conditions

open access: yesAquaculture Reports
The present study aims to compare the efficacy of the ovarian insemination technique with the traditional hormonal induction and artificial fertilization methods over the controlled reproduction of the Caspian kutum (Rutilus frisii).
Erfan Akbari Nargesi   +2 more
doaj   +1 more source

Who’s your mama? Riverine hybridisation of threatened freshwater Trout Cod and Murray Cod [PDF]

open access: yesPeerJ, 2016
Rates of hybridization and introgression are increasing dramatically worldwide because of translocations, restocking of organisms and habitat modifications; thus, determining whether hybridization is occuring after reintroducing extirpated congeneric ...
Alan J. Couch   +3 more
doaj   +2 more sources

Domestication may affect spawning performance of F1 pikeperch (Sander lucioperca) during consecutive captive reproduction

open access: yesAquaculture Reports
The aim of this study was to examine the possibility of consecutive spawning of the first domesticated generation (F1) of pikeperch (Sander lucioperca).
Bahram Falahatkar   +4 more
doaj   +1 more source

Ontogeny of alpha - amylase activity during early development of the common bream (Abramis brama) [PDF]

open access: yesتغذیه آبزیان, 2016
This study was conducted to investigate the growth pattern and ontogeny of the activity of alpha amylase enzyme in common bream (Abramis brama) from hatching through 60th day post hatching (dph) at the Shahid Ansari breeding and restocking center (Rasht,
Mohammad Reza Sahraein   +5 more
doaj   +1 more source

Sailing From Penalties to Accountability: Business Strategies and Governance for Firms to Innovate After Environmental Misconduct

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Firms' continuous pursuit of making a profit in the competitive market may ignore the actions related to environmental responsibilities. This set of actions for financial gains constitutes environmental misconduct, which not only harms ecosystems and communities but also brings reputational damage. Negative press and social media amplification
Ashutosh Singh   +3 more
wiley   +1 more source

Environmental Gradients Decouple Demographic and Adaptive Connectivity in a Highly Mobile Coastal Marine Species. [PDF]

open access: yesMol Ecol
ABSTRACT Understanding how eco‐evolutionary processes shape genetic variation and persistence in marine species with highly variable recruitment dynamics and dispersal potential remains a fundamental challenge, particularly when considering the interplay between gene flow and local adaptation.
Brauer CJ   +7 more
europepmc   +2 more sources

The Impact of Self‐Checkout Technology on Shopping Behavior in B2B Retail: Evidence From Point‐Of‐Sale Transaction Data

open access: yesJournal of Consumer Behaviour, EarlyView.
ABSTRACT This study examines the impact of self‐checkout technology implementation on B2B customer shopping behavior using a novel methodological approach that combines propensity score matching with difference‐in‐differences analysis on actual point‐of‐sale transaction data.
Jindřich Špička   +1 more
wiley   +1 more source

Age-Related Changes in Survival Behaviour in Parasite-Free Hatchery-Reared Rainbow Trout (Oncorhynchus mykiss)

open access: yesAnimals
Millions of hatchery-reared Rainbow trout are currently released in Australian waters to support recreational fisheries objectives, yet many of these fish die soon after release.
Rafael Freire   +3 more
doaj   +1 more source

La «loi pêche» (Code rural) et l'introduction des espèces piscicoles

open access: yesKnowledge and Management of Aquatic Ecosystems, 1997
Les introductions d'espèces piscicoles non représentées et/ou susceptibles de créer des déséquilibres biologiques se développent, ici ou là, pour des considérations halieutiques ou accessoirement scientifiques, ou tout simplement pour se débarrasser de ...
GUEVEL B.
doaj   +1 more source

spawning method affects the reproductive efficiency of piracanjuba fish (Brycon orbignyanus) in restocking programs

open access: yesRevista Colombiana de Ciencias Pecuarias, 2020
Background: Preserving the genetic diversity of wild fish is an important consideration for restocking programs, as inbreeding can compromise progeny survival as well as impact the resilience of natural populations.
Pedro L. de Castro   +6 more
doaj   +1 more source

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