Document Detail

Effect of dietary chromium picolinate on growth performance and blood parameters in grass carp fingerling, Ctenopharyngodon idellus.
MedLine Citation:
PMID:  19459058     Owner:  NLM     Status:  MEDLINE    
An experiment was conducted to investigate the effect of dietary chromium picolinate supplement on growth and haematology parameters of grass carp, Ctenopharyngodon idellus. Six diets with increasing dietary chromium picolinate levels 0, 0.2, 0.4, 0.8, 1.6 and 3.2 mg kg(-1) were fed to triplicate groups of 20 fish (initial weight of 12.78 +/- 1.16 g, mean +/- SD) in a flow water system for 10 weeks. Fish fed the diet supplemented with 0.8 mg Cr kg(-1) had significantly improved weight gain (WG), feed efficiency ratio (FER), protein efficiency ratio (PER) and protein retention (PR). Fish fed high-chromium diets exhibited lower whole-body crude lipid contents than fish fed low-chromium diets. Liver glycogen concentrations for fish fed the diet with 0.2 mg Cr kg(-1) was the highest (77.67 mg g(-1)). Fish fed the diet supplemented with 1.6 and 3.2 mg Cr kg(-1) had significantly lower liver glycogen concentrations than other groups (P < 0.05). The highest serum insulin concentrations were observed in fish fed the diet supplemented with 0.8 mg Cr kg(-1), but serum insulin concentrations decreased (P < 0.05) when dietary supplementation of chromium was higher than 0.8 mg Cr kg(-1). Cholesterol concentrations decreased in direct proportion to dietary chromium level and achieved the lowest level when the fish were fed the 0.8 mg Cr kg(-1) diet, but increased when the fish were fed the diet with more than 0.8 mg Cr kg(-1) (P < 0.05). Fish fed the diet supplemented with 0.8 mg Cr kg(-1) had higher triglyceride and high-density lipoprotein cholesterol (HDL-C) concentrations compared to other treatments. The results of the present study suggested that chromium picolinate could modify serum carbohydrate and lipid metabolism profile, and that the optimal dietary chromium level was 0.8 mg kg(-1) for grass carp according to growth.
Tailiang Liu; Hua Wen; Ming Jiang; Danning Yuan; Pan Gao; Yujiang Zhao; Fan Wu; Wei Liu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-05-21
Journal Detail:
Title:  Fish physiology and biochemistry     Volume:  36     ISSN:  1573-5168     ISO Abbreviation:  Fish Physiol. Biochem.     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-08-19     Completed Date:  2010-12-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100955049     Medline TA:  Fish Physiol Biochem     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  565-72     Citation Subset:  IM    
Key Laboratory of Freshwater Ecology and Aquaculture, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Jingzhou, Hubei, People's Republic of China.
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MeSH Terms
Analysis of Variance
Animal Feed*
Aquaculture / methods*
Carps / blood*,  growth & development*
Cholesterol / blood
Dose-Response Relationship, Drug
Food, Fortified*
Glycogen / metabolism
Insulin / blood
Lipid Metabolism*
Liver / metabolism
Picolinic Acids / administration & dosage,  pharmacology*
Triglycerides / blood
Reg. No./Substance:
0/Picolinic Acids; 0/Triglycerides; 11061-68-0/Insulin; 57-88-5/Cholesterol; 9005-79-2/Glycogen; 98-98-6/picolinic acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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