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Transcriptomic and physiological responses to fishmeal substitution with plant proteins in formulated feed in farmed Atlantic salmon (Salmo salar)

ABSTRACT: This experiment was aimed at understanding transcriptional response to a plant protein diet in multiple tissues of Atlantic salmon. Agilent-based microarray platform with 4 x 44 K probes per slide (Salar_2; Agilent Design ID:025520) oligo microarray was used in this experiment. A dual-labelled experimental design was employed for the microarray hybridisations. aRNA from each experimental sample (Cy3 labelled) was competitively hybridised against a common pooled-reference sample (Cy5 labelled), which comprised equal amounts of aRNA from each of the samples used in the study. This design permits valid statistical comparisons across all treatments to be made. The entire experiment comprised 24 hybridisations - 3 tissues (mid intestine, liver, muscle) x 2 treatments (MP diet / PP diet) x 4 biological replicates.

ORGANISM(S): Salmo salar

SUBMITTER: Sam Martin 

PROVIDER: E-TABM-1207 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transcriptomic and physiological responses to fishmeal substitution with plant proteins in formulated feed in farmed Atlantic salmon (Salmo salar).

Tacchi Luca L   Secombes Christopher J CJ   Bickerdike Ralph R   Adler Michael A MA   Venegas Claudia C   Takle Harald H   Martin Samuel A M SA  

BMC genomics 20120801

<h4>Background</h4>Aquaculture of piscivorous fish is in continual expansion resulting in a global requirement to reduce the dependence on wild caught fish for generation of fishmeal and fish oil. Plant proteins represent a suitable protein alternative to fish meal and are increasingly being used in fish feed. In this study, we examined the transcriptional response of Atlantic salmon (Salmo salar) to a high marine protein (MP) or low fishmeal, higher plant protein replacement diet (PP), formulat  ...[more]

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