Two Strains of Gibel Carp (Carassius gibelio) Exhibit Diverse Responses to Carbohydrates in a Low-Lipid Diet

An 8-week feeding trial was conducted to investigate carbohydrate use in a low-lipid diet between different strains of gibel carp (Carassius gibelio). The wild-type Dongting strain and artificially selected CASIII strain were fed three levels of carbohydrate: 15%, 30%, and 45%, in a low-lipid formul...

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Bibliographic Details
Published in:Aquaculture nutrition 2022-06, Vol.2022, p.1-11
Main Authors: Song, Xuerong, Liu, Haokun, Han, Dong, Jin, Junyan, Zhu, Xiaoming, Yang, Yunxia, Xie, Shouqi
Format: Article
Language:English
Subjects:
Body composition
Carassius gibelio
Carbohydrates
Carnitine
Carp
Cellulose
Cloning
Diet
Efficiency
Enzymes
Feeding experiments
Feeding habits
Feeding rates
Freshwater fishes
Gene expression
Glucose
Growth rate
Homeostasis
Hyperglycemia
Insulin
Kinases
Laboratories
Lipids
Metabolism
Metabolites
Proteins
Trout
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Summary:An 8-week feeding trial was conducted to investigate carbohydrate use in a low-lipid diet between different strains of gibel carp (Carassius gibelio). The wild-type Dongting strain and artificially selected CASIII strain were fed three levels of carbohydrate: 15%, 30%, and 45%, in a low-lipid formulation (4%). The results showed that low-lipid supplementation with high carbohydrate seems to improve the feeding rate (FR) and specific growth rate (SGR), while it did not result in hyperglycaemia in gibel carp. Transcriptional regulation was slightly affected by carbohydrate levels; only hepatic pfk expression was more increased in the 30% and 45% carbohydrate diets than in the 15% carbohydrate diet (p
ISSN:1353-5773
1365-2095
DOI:10.1155/2022/9417331