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Dietary docosahexaenoic acid to eicosapentaenoic acid ratios effects on hemato-immunological and plasma biochemical parameters in silvery-black porgy (Sparidentex hasta) juveniles

Dietary docosahexaenoic acid to eicosapentaenoic acid ratios effects on hemato-immunological and... An 8-week feeding experiment was conducted in juvenile silvery-black porgy (Sparidentex hasta) (initial mean weight 20.1 ± 0.1 g, mean ± SD) to estimate the optimum dietary docosahexaenoic to eicosapentaenoic acid (DHA/EPA) ratio. Triplicate groups of fish (12 fish in each replicate) were kept into 15 cylindrical polyethylene tanks (250 L) at 18.7 °C and handfed by one of the five diets which formulated with graded ratios of DHA/EPA (0.2, 0.4, 0.9, 2.0, 3.3) two times daily. In the fillet and liver, DHA and DHA/EPA ratios significantly increased with increasing dietary DHA concentrations (P < 0.05). Fish fed the 0.2 DHA/EPA ratio diets had the highest hemolytic activity (P < 0.05). Plasma thiobarbituric acid reactive substance concentration, catalase activity, total antioxidant capacity, total cholesterol, and triglyceride significantly decreased with increasing dietary DHA/EPA ratios (P < 0.05). It is concluded that health status of silvery-black porgy juveniles were not influenced by dietary graded ratios of DHA/EPA. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Comparative Clinical Pathology Springer Journals

Dietary docosahexaenoic acid to eicosapentaenoic acid ratios effects on hemato-immunological and plasma biochemical parameters in silvery-black porgy (Sparidentex hasta) juveniles

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Springer-Verlag London
Subject
Medicine & Public Health; Pathology; Hematology; Oncology
eISSN
1618-565X
DOI
10.1007/s00580-016-2307-0
Publisher site
See Article on Publisher Site

Abstract

An 8-week feeding experiment was conducted in juvenile silvery-black porgy (Sparidentex hasta) (initial mean weight 20.1 ± 0.1 g, mean ± SD) to estimate the optimum dietary docosahexaenoic to eicosapentaenoic acid (DHA/EPA) ratio. Triplicate groups of fish (12 fish in each replicate) were kept into 15 cylindrical polyethylene tanks (250 L) at 18.7 °C and handfed by one of the five diets which formulated with graded ratios of DHA/EPA (0.2, 0.4, 0.9, 2.0, 3.3) two times daily. In the fillet and liver, DHA and DHA/EPA ratios significantly increased with increasing dietary DHA concentrations (P < 0.05). Fish fed the 0.2 DHA/EPA ratio diets had the highest hemolytic activity (P < 0.05). Plasma thiobarbituric acid reactive substance concentration, catalase activity, total antioxidant capacity, total cholesterol, and triglyceride significantly decreased with increasing dietary DHA/EPA ratios (P < 0.05). It is concluded that health status of silvery-black porgy juveniles were not influenced by dietary graded ratios of DHA/EPA.

Journal

Comparative Clinical PathologySpringer Journals

Published: Aug 10, 2016

References