Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Responses to crowding stress in Atlantic salmon reared in different aquaculture systems

ABSTRACT: Responses to crowding stress in Atlantic salmon reared in different aquaculture systems

PROVIDER: PRJNA725241 | ENA |

REPOSITORIES: ENA

ACCESS DATA

Json Xml

Similar Datasets

Responses to crowding stress in Atlantic salmon reared in different aquaculture systems

Project description:Recirculation systems (RAS), which reduce water consumption and improve pathogen control are increasingly used in Atlantic salmon aquaculture. Performance and adaptation of fish to new farming environment is actively investigated. Here, responses to crowding stress were compared in salmon reared in two systems (RAS with brackish water and flowthrough with full salinity water) at low and high density.

2021-04-27 | GSE173229 | GEO

Responses to Moritella viscosa in skin and spleen of Atlantic salmon

Project description:Bacterial pathogen Moritella viscosa, the causative agent of winter ulcer, causes heavy losses in Atlantic salmon aquaculture. The study compared responses in salmon reared under normal condition (G100) and fish exposed to hypoxia - 60% saturation of dissolved oxygen - at early life (G60). G60 showed lower survival after challenge. Analyses were performed in the most affected tissues: skin and spleen

2021-04-09 | GSE171693 | GEO

A comparison of gene transcription profiles of domesticated and wild Atlantic salmon (Salmo salar L.) at early life stages, reared under controlled conditions

Project description:Atlantic salmon (Salmo salar) has been selectively bred in Europe since the 1970s and the process of domestication has led to both phenotypic and genotypic differences between wild and farmed fish. Despite strict regulations large numbers of fish escape annually from fish farms, a concern for both aquaculturalists and those managing wild fish stocks. A better understanding of the interactions between domesticated and wild salmon is essential to the continued sustainability of the aquaculture industry and to the maintenance of healthy wild stocks. One major concern is that of potential interbreeding of escapees with wild fish leading to potentially detrimental genetic changes in wild populations. Advances in high throughput technologies allow the role of genome-wide gene transcription to be studied in relation to both micro- and macro- evolutionary change. In this study, we have compared the transcriptomes of Norwegian wild and domesticated stocks at two life stages: yolk sac and first-feeding salmon fry and reared under identical conditions. These preliminary data improve knowledge of potential transcriptional difference between domesticated and wild salmon and will hopefully provide a better understanding of the fitness consequences of such interactions.

2014-06-01 | E-MTAB-2578 | biostudies-arrayexpress

Responses of Atlantic salmon to vaccination and challenge with salmon alphavirus (SAV) and Moritella viscosa

Project description:Salmon alphavirus (SAV) and Moritella viscosa causing respectively pancreatic disease and winter ulcer are among the most important pathogens threatening Atlantic salmon aquaculture. Fish is protected by vaccination with different rate of success. Here, responses to vaccination were assessed followed with pathogen challenges of vaccinated salmon and saline injected control.

2021-04-23 | GSE173130 | GEO

Prevalence of epitheliocystis in freshwater Atlantic salmon reared in flow-through and recirculation aquaculture systems.

Project description:Epitheliocystis, an intracellular bacterial infection in the gills and skin epithelium, has been frequently reported in Atlantic salmon (Salmo salar) during freshwater production in a number of countries. This study describes the prevalence and intensity of a natural epitheliocystis infection present in the gills of two strains of Atlantic salmon reared in either a flow-through (FT) or a recirculation aquaculture system (RAS) in Ireland. Repeated sampling of gills prior to and throughout seawater transfer, histology and quantitative real-time PCR were used to determine infection prevalence and intensity. Despite no clinical gill disease, and minor histopathological changes, epitheliocystis lesions were identified in histology at all time points. Specific PCR confirmed the presence of Candidatus Clavichlamydia salmonicola in both strains and its number of copies was correlated with intensity of epitheliocystis lesions. A significant interaction between hatchery system and fish strain on the prevalence and intensity of gill epitheliocystis was found both using histological and molecular methods. Specifically, fish from FT had higher prevalence and intensity than RAS reared fish and within FT, the Irish cohort were more affected than Icelandic.

| S-EPMC9805179 | biostudies-literature

Morphology and transcriptome of Atlantic salmon skin after seawater transfer, comparison of a semi-closed containment system and open net-pen

Project description:Development of semi-closed containment systems is a promising strategy to further expand Atlantic salmon production. The technology operates with higher production intensities where skin integrity is recognized as a central factor for animal health and welfare. This study investigate the skin development and its immune status in healthy Atlantic salmon growers reared in a semi-closed containment system and a traditional open net-pen system (control).

2018-05-05 | GSE114028 | GEO

Transcription profiling of Atlantic salmon following dietary substitution of fish oil with vegetable oils

Project description:There is an increasing drive to replace fish oil (FO) in finfish aquaculture diets with vegetable oils (VO), driven by the short supply of FO derived from wild fish stocks. Little is known of the consequences for fish health after such substitution. The effect of dietary VO on hepatic gene expression was determined in Atlantic salmon (Salmo salar) byg a cDNA microarray analysis. Post-smolt farmed salmon were reared for x weeks on diets where the FO component of the feed was replaced with one of three different VOs - rapeseed (RO), soybean (SO) or linseed (LO). RNA from five fish fed on each diet was extracted. A total of 20 cDNA microarray hybridisations - TRAITS / SGP Atlantic salmon 17k feature cDNA microarray - were performed - 4 diets (three VO + FO control) x 5 individuals - using a common pooled reference control design. Data were obtained from 19 of the 20 hybridisations.

2008-10-27 | E-TABM-478 | biostudies-arrayexpress

Skin responses in Atlantic salmon post-smolts during exposure to Tenacibaculum finnmarkense

Project description:Tenacibaculum finnmarkense is a novel Gram-negative, aerobic bacterial strain causing skin ulcers in Atlantic salmon. This is an emerging pathogen, which may cause serious problems to aquaculture. The study was designed to compare the life stages (smolt and posmolt) and to assess effects of environment (fresh and brackis water) on the course of disease and salmon responses to the pathogen.

2021-04-09 | GSE171699 | GEO

Transcription profiling by array of Atlantic salmon liver from fish exhibiting high and low flesh n-3LC-PUFA levels at harvest

Project description:N-3 long chain polyunsaturated fatty acids (n-3LC-PUFA) are essential components of vertebrate membrane lipids and are now at critically low levels in modern Western diets. The main human dietary source for n-3LC-PUFA is fish and seafood, and over 50% of global fish production is currently supplied by aquaculture. However, increasing pressure to include vegetable oils, which are devoid of n-3LC-PUFA, in aquaculture feeds reduces their content in farmed fish flesh. The aim of this investigation was to infer mechanisms determining flesh n-3LC-PUFA content in Atlantic salmon. The TRAITS / SGP Atlantic salmon 17k feature cDNA microarray (ArrayExpress accession: A-MEXP-1790) was used to compare hepatic mRNA expression in 8 families, reared under common conditions, which exhibited contrasting high and low flesh n-3LC-PUFA levels at harvest. The microarray interrogations incorporated a common pooled reference design, comprising a total of 16 hybridisations (8 families x 2 - dye swap). Each family sample comprised RNA pooled from six sibs.

2010-05-01 | E-TABM-955 | biostudies-arrayexpress

Responses to infectious pancreatic necrosis virus (IPNV) in the liver of Atlantic salmon

Project description:IPNV is a viral pathogen causing losses in commercial aquaculture of Atlantic salmon. This study was performed to examine transcriptomic responses to IPNV and to compare them with changes caused with other viruses.

2021-04-22 | GSE172862 | GEO

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data