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Embryo and larva development in Dentex dentex, a marine pelagophil teleost: an endeavor to find a series of new fatty acid interrelations.
MedLine Citation:
PMID:  22021057     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Although the fatty acid (FA) requirements of marine teleosts not only are a function of the amount of each FA individually, but also of the relative proportions of the FAs; mostly, the interactions have been ignored and merely limited to a few interrelations of 20:4[n-6], 20:5[n-3], and 22:6[n-3]. To address this shortcoming, viable eggs of Dentex dentex were obtained from broodfish in captivity. Nine viability parameters (VP) (i.e., floating rate (FR), hatching rate (HR), and survival rate (SR) from day 0 to 5 posthatch (dph)) that are currently used in mariculture systems were determined. Egg FAs were characterized and quantified. One hundred and twenty ratios were made based on the FA contents estimated. Sixty-four ratios were significantly and strongly correlated to embryo/larva success through 201 simple regression models (r(2) = 0.640-0.948; P = 0.006-P<0.001). Of the 201 significant relationships found, ∼12, ∼5, ∼2, ∼3, ∼22, ∼23, ∼21, and ∼13% show the relations of the egg FA ratios with FR, HR, and SR at 0, 1, 2, 3, 4, and 5 dph, respectively. All the FAs characterized in this study were significantly correlated to VPs through either their individual relative proportions or relative proportion of their combinations. This study, for the first time, presents a series of new FA interrelations and uncovers their biological meanings under both basic and applied aspects through correlating them to embryo/larva success. J. Exp. Zool. 313A, 2011. © 2011 Wiley Periodicals, Inc.
Authors:
Seyed-Mohammadreza Samaee; Alicia Estévez
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-21
Journal Detail:
Title:  Journal of experimental zoology. Part A, Ecological genetics and physiology     Volume:  -     ISSN:  1932-5231     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101297745     Medline TA:  J Exp Zool A Ecol Genet Physiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Wiley Periodicals, Inc., A Wiley Company.
Affiliation:
Department of Organismic Biology, Faculty of Natural Sciences, University of Salzburg, Salzburg, Austria. mohammadreza_samaee@yahoo.com.
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