Results 91 to 100 of about 19,284 (225)

Less is more: rarity trumps quality in luxury markets [PDF]

open access: yes, 2008
The international market for luxury goods has almost doubled since 1990, with a worldwide increase of 10% annually. This trade is fuelled by a great deal of legally and illegally exploited wildlife species, putting enormous pressure on many of them, with
Agnes Gault   +2 more
core   +1 more source

Transcriptomic analysis reveals the hepatic response mechanisms of the Chinese spiny frog (Quasipaa spinosa) to Citrobacter freundii infection

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 3, June 2026.
Abstract To elucidate the pathogen and host response mechanisms underlying mass mortality in Quasipaa spinosa, dominant bacteria were isolated from diseased individuals and identified as Citrobacter freundii by morphological, physiological, and biochemical characterization, 16S rRNA sequencing, and phylogenetic analysis.
Yanhong Li   +7 more
wiley   +1 more source

Aннотированный список рыбообразных и рыб водоемов и водотоков бассейна верхнего Иртыша Восточного Казахстана с комментариями по их таксономии и зоогеографии

open access: yesActa Biologica Sibirica, 2019
Приводится список рыбообразных и рыб, обитающих в водоемах и водотоках бассейна Верхнего Иртыша. Список содержит 43 вида, относящихся к 7 отрядам, 10 семействам и 30 родам. Включены все зарегистрированные на настоящий момент виды, валидность которых была
A. A. Yevseyeva   +2 more
doaj   +1 more source

Effects of farming practices on the performance of fish pond polyculture assessed by trophic modeling

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 3, June 2026.
Abstract This study aimed to identify species compositions that use resources more efficiently and recommend management practices for extensive and semi‐intensive pond polyculture by modeling food webs and calculating performance indicators. We monitored 8 polyculture fish ponds managed by fish farmers that had contrasting fish species compositions in ...
Purco Ralaiarison Ralien   +13 more
wiley   +1 more source

Optimizing rearing and welfare in Senegalese sole (Solea senegalesensis) broodstock: effect of ambient light intensity and handling time on stress response [PDF]

open access: yes, 2019
Broodstock rearing conditions and handling procedures should be optimized in aquaculture species in order to benefit fish welfare and guarantee optimal conditions for spawning. In teleosts, basal cortisol levels display daily rhythms, oscillating along
Aragão, Cláudia   +4 more
core   +2 more sources

Principales maladies de l'esturgeon sibérien en élevage

open access: yesSciences, Eaux & Territoires, 1995
L'esturgeon sibérien Acipenser baeri est utilisé comme modèle pour la restauration de l'espèce européenne Acipenser sturio aujourd'hui menacée. Cet article présente les différentes pathologies rencontrées chez A. baeri en élevage.
R. BRUN
doaj  

Microsatellite Variation in Russian Sturgeon (Acipenser gueldenstaedtii) from Aquaculture

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Most sturgeon species today are on the brink of extinction because of anthropogenic influences, but in the same time, the economical interest regarding these species was constantly increasing, especially because the great value of the roe.
Sergiu Emil Georgescu   +5 more
doaj  

Parasitic worms and their histopathological effects in four sturgeon species from the southwest shores of the Caspian Sea

open access: yesInternational Journal of Aquatic Biology, 2016
This study conducted to provide the status of parasite communities of four sturgeon species viz. Acipenser stellatus, A. gueldenstaedtii, A. nudiventris, and Huso huso in the southwest of the Caspian Sea and their histopathological effects on the ...
Mohammad Reza Noei   +2 more
doaj  

A comparison of methods for determining ploidy in white sturgeon (Acipenser transmontanus) [PDF]

open access: yes, 2019
Release of sturgeon with abnormal ploidy into the wild may result in reduced fitness due to lowered fertility in the F2 and subsequent generations. Further, there is evidence that ploidy affects reproductive development and caviar yield.
Fiske, JA   +6 more
core  

Acipenser stellatus Pallas 1771

open access: yes, 2007
Published as part of Nurettin Meriç, Lütfiye Eryilmaz & Müfit Özulug, 2007, A catalogue of the fishes held in the Istanbul University, Science Faculty, Hydrobiology Museum., pp.
Nurettin Meriç   +2 more
openaire   +1 more source

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