Volume 3, Issue 4 (2015)                   JFST 2015, 3(4): 15-29 | Back to browse issues page

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Sotoudeh E, Aabedian A, Khodabandeh S, Khajeh K. Interaction of n-3 HUFA and vitamin E on growth and hematological parameters of Caspian trout fry (Salmotruttacaspius). JFST 2015; 3 (4) :15-29
URL: http://jfst.modares.ac.ir/article-6-1903-en.html
1- Ph.D. Graduate, Department of Fisheries, Facultyof Marine Sciences, Tarbiat Modares University, Noor, Iran
2- Assoc. Prof. Department of Fisheries, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Noor, Iran
3- Assis. Prof, Department of Marine Biology, Faculty of Marine Sciences, Tarbiat Modares University, Noor, Iran
4- Prof. Department of Biochemistry, Faculty of Bioligical Sciences, Tarbiat ModaresUniversity,Tehran
Abstract:   (12160 Views)
The combined effect of different levels of dietary n-3 HUFAs [eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA)] with α-Tocopherol on growth parameters (final weight, SGR, FCR, and some health indices (hematocrit, plasma lipid and lipoprotein levels) of the Caspian trout fry, Salmotruttacaspius, was investigated. Six experimental diets containing three different dietary levels of n-3 HUFAs (Low: 1 + 0.5, DHA+ EPA, Medium: 2 + 1, DHA + EPA, High: 4 + 2, DHA + EPA g/100g diet) with two different levels of α-Tocopherol (Low: 300 and High: 1000 mg/kg diet) were prepared and named: LL, LH, ML, MH, HL, HH (HUFA/α-Tocopherol) groups, respectively. Fries (600 ± 25 mg) were randomly distributed in tanks (50 fries per tank) and were fed with the experimental diets for 10 weeks. The work was conducted in triplicates. Results showed that the SGR and body weight were significantly higher in the MH group than other groups. Hematological parameters, especially plasma lipids and lipoproteins were more influenced by the dietary n-3 HUFA and vitamin E and interaction between vitamin E and n-3 HUFA has minimal effect on these parameters. Results of this study suggested that increasing of dietary n-3 HUFA could improved growth performance and enhance health in the Caspian trout fry when appropriate level of α- Tocopherol supplemented.
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Received: 2014/06/8 | Published: 2015/02/20

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