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:: Volume 15, Issue 3 (7-2016) ::
IJFS 2016, 15 Back to browse issues page
Blood parameters of Caspian brown trout (Salmo trutta caspius) fingerlings affected by dietary L-ascorbyl-2-polyphosphate
H. Rajabi Islami * , N. Arab , R. Assare , M.I. Rastravan , R. Ebtekari
, rajabi.h@srbiau.ac.ir
Abstract:   (2781 Views)

This study was aimed to evaluate the effect of L-ascorbyl-2-polyphosphate as a dietary ascorbic acid source on blood parameters of Caspian brown trout (Salmo trutta caspius), including red blood cell (RBC) count, white blood cell (WBC) and WBC differential. A total number of 600 Caspian brown trout (9.6±0.6 g) fingerlings were randomly distributed in triplicates among five treatments each containing 40 specimens. Experimental diets were also prepared by adding 0, 50, 100, 200 and 400 mg kg-1 L-Ascorbyl-2-Polyphosphate to the basal diet. Feeding was done for nine weeks in each treatment. The survival rate in all treatments was 100%. The results showed a significant increase in RBC, hemoglobin, hematocrit, WBC and lymphocyte (p<0.05) by supplementing L-ascorbyl-2-polyphosphate compared to the control treatment. The fish fed by 200 mg ascorbic acid kg-1 diet had the maximum hemoglobin and hematocrit in comparison with the other treatments. The current research showed that dietary L-ascorbyl-2-polyphosphate influences the complete blood count of Caspian brown trout while fingerlings fed with the optimum amounts of 200 mg ascorbic acid kg-1 diet for a period of 9 weeks trail.

Keywords: Ascorbic acid, Growth, Hematological parameters, Salmo trutta caspius
Full-Text [PDF 578 kb]   (1842 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2016/08/9 | Accepted: 2016/08/9 | Published: 2016/08/9
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Rajabi Islami H, Arab N, Assare R, Rastravan M, Ebtekari R. Blood parameters of Caspian brown trout (Salmo trutta caspius) fingerlings affected by dietary L-ascorbyl-2-polyphosphate. IJFS. 2016; 15 (3) :1167-1186
URL: http://jifro.ir/article-1-2342-en.html


Volume 15, Issue 3 (7-2016) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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