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Effects of dietary lipids on tissue fatty acids profile, growth and reproductive performance of female rice field eel (Monopterus albus).
MedLine Citation:
PMID:  21046236     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The effects of different lipids on tissue fatty acid profile and reproductive performance in female rice field eel were investigated in this study. Virgin female eels were fed with six diets containing different lipids (diets FO, LO, SO, PO and PL with fish oil, linseed oil, soybean oil, peanut oil and pork lard, respectively; diet APO with arachidonic acid and peanut oil). The results showed that there were positive correlations between the contents of 18:2n-6, 18:3n-3, arachidonic acid (ARA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in the tissues of eels and those of the corresponding fatty acids in their diets. The specific growth rate of eels fed with diet PO was the lowest and significantly lower than that of FO and SO. Gonad of eels fed with diets PO and PL showed hypogonadism. The long chain polyunsaturated fatty acids (LC-PUFA) can be synthesized by eels, but the quantity was not enough to meet their reproduction requirement completely. The fatty acid desaturation, rather than elongation probably was one of the limiting factors. Addition of proper amount of ARA in diet was favorable to the increase of the hatching rate of fertilized eggs, while EPA and DHA in diet were beneficial to the increase of the survival rate of larva. Both n-3PUFA and a suitable n-6/n-3PUFA ratio were necessary for growth and reproduction of eels.
Authors:
Qiu-Bai Zhou; Hua-Dong Wu; Chang-Sheng Zhu; Xing-Hong Yan
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Publication Detail:
Type:  Journal Article     Date:  2010-11-03
Journal Detail:
Title:  Fish physiology and biochemistry     Volume:  37     ISSN:  1573-5168     ISO Abbreviation:  Fish Physiol. Biochem.     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-08-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100955049     Medline TA:  Fish Physiol Biochem     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  433-45     Citation Subset:  IM    
Affiliation:
Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, College of Aquatic Science and Technology, Shanghai Ocean University, 999 Huchenghuan Road, 201306, Shanghai, People's Republic of China.
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