No adverse effect of a maternal high carbohydrate diet on their offspring, in rainbow trout (
Aquaculture
Nutritional Programming
Plant-derived carbohydrates
Salmonid
Journal
PeerJ
ISSN: 2167-8359
Titre abrégé: PeerJ
Pays: United States
ID NLM: 101603425
Informations de publication
Date de publication:
2021
2021
Historique:
received:
11
05
2021
accepted:
11
08
2021
entrez:
30
9
2021
pubmed:
1
10
2021
medline:
1
10
2021
Statut:
epublish
Résumé
In order to develop a sustainable salmonid aquaculture, it is essential to continue to reduce the use of the protein-rich fishmeal. One promising solution to do so is the use of plant-derived carbohydrates in diet destined to broodstock. However, in mammals, the reduction of protein content (replaced by carbohydrates) in parental diet is known to have strong adverse effects on offspring phenotypes and metabolism. For the first time, the effect of a paternal and a maternal high carbohydrate-low protein diet was assessed on progeny at long term in the rainbow trout. A 30% protein diminution in both males and females broodstock diet during 10 month and 5 months, respectively, did not trigger adverse consequences on their offspring. At the molecular level, offspring transcriptomes were not significantly altered, emphasizing no effect on metabolism. Tenuous differences in the biochemical composition of the liver and the viscera were observed. The recorded effects remained in the normal range of value and accordingly offspring growth were not negatively affected over the long term. Overall, we demonstrated here that a 30% protein diminution during gametogenesis is feasible, confirming the possibility to increase the proportion of plant-derived carbohydrates in female broodstock diets to replace fishmeal proteins.
Identifiants
pubmed: 34589301
doi: 10.7717/peerj.12102
pii: 12102
pmc: PMC8434805
doi:
Types de publication
Journal Article
Langues
eng
Pagination
e12102Informations de copyright
©2021 Callet et al.
Déclaration de conflit d'intérêts
The authors declare there are no competing interests.
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