Key nutritional factors and interactions during larval development of pikeperch (Sander lucioperca)

Najlae El Kertaoui, Ivar Lund, Hospice Assogba, David Domínguez, Maria S. Izquierdo, Sébastien Baekelandt, Valérie Cornet, Daniel Montero, Patrick Kestemont, Syaghalirwa N M Mandiki

Research output: Contribution to journalArticle

Abstract

The effects of 8 nutritional variables (Ca/P, Eicosapentaenoic acid (20:5n-3) + Docosahexaenoic acid (22:6n − 3) (EPA + DHA), Arachidonic acid (20:4n − 6) (ARA), Se, vitamins E, C, D and A) were investigated to identify their respective importance and interactions in pikeperch larval development. In this respect, two modalities (low and high levels) of each variable were tested through a fractional factorial experimental design allowing a reduction from 256 (2 8 ) to 16 (2 8 – 4 ) experimental units. Survival was significantly higher in larvae fed a high Ca/P diet while larval growth was significantly lower in larvae fed the same diet variant, associated with a higher incidence of kyphosis and pectoral anomalies in these larvae. Lordosis and scoliosis seemed to be mostly affected by dietary long chain polyunsaturated fatty acids (LC-PUFAs). A significant interaction was shown between n-3 LC-PUFA and vitamin C on jaw anomalies, while myocyte-specific enhancer factor 2C (mef2c) gene expression correlated positively with dietary vitamin C increment. Results also demonstrated an effect of the different nutrients and their interactions on the activity levels of digestive enzymatic activities. The results of the present study highlight the importance of the interactions between Ca/P, LC-PUFAs and vitamins C and E, suggesting their essential roles as key nutritional factors influencing pikeperch larval development.

Original languageEnglish
Article number7074
Pages (from-to)7074
Number of pages15
JournalScientific Reports
Volume9
Issue number1
DOIs
Publication statusPublished - 8 May 2019

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Ascorbic Acid
Unsaturated Fatty Acids
Larva
Vitamin E
MEF2 Transcription Factors
Diet
Lordosis
Kyphosis
Eicosapentaenoic Acid
Docosahexaenoic Acids
Scoliosis
Jaw
Vitamin A
Arachidonic Acid
Research Design
Gene Expression
Food
Incidence
Growth

Cite this

El Kertaoui, Najlae ; Lund, Ivar ; Assogba, Hospice ; Domínguez, David ; Izquierdo, Maria S. ; Baekelandt, Sébastien ; Cornet, Valérie ; Montero, Daniel ; Kestemont, Patrick ; Mandiki, Syaghalirwa N M. / Key nutritional factors and interactions during larval development of pikeperch (Sander lucioperca). In: Scientific Reports. 2019 ; Vol. 9, No. 1. pp. 7074.
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Key nutritional factors and interactions during larval development of pikeperch (Sander lucioperca). / El Kertaoui, Najlae; Lund, Ivar; Assogba, Hospice; Domínguez, David; Izquierdo, Maria S.; Baekelandt, Sébastien; Cornet, Valérie; Montero, Daniel; Kestemont, Patrick; Mandiki, Syaghalirwa N M.

In: Scientific Reports, Vol. 9, No. 1, 7074, 08.05.2019, p. 7074.

Research output: Contribution to journalArticle

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T1 - Key nutritional factors and interactions during larval development of pikeperch (Sander lucioperca)

AU - El Kertaoui, Najlae

AU - Lund, Ivar

AU - Assogba, Hospice

AU - Domínguez, David

AU - Izquierdo, Maria S.

AU - Baekelandt, Sébastien

AU - Cornet, Valérie

AU - Montero, Daniel

AU - Kestemont, Patrick

AU - Mandiki, Syaghalirwa N M

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