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Blood parameters of Caspian brown trout (Salmo trutta caspius) fingerlings affected by dietary L-ascorbyl-2-polyphosphate | ||
| Iranian Journal of Fisheries Sciences | ||
| مقاله 17، دوره 15، شماره 3، مهر 2016، صفحه 1167-1186 اصل مقاله (577.59 K) | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2018.114599 | ||
| نویسندگان | ||
| H. Rajabi Islami* ؛ N. Arab؛ R. Assare؛ M.I. Rastravan؛ R. Ebtekari | ||
| چکیده | ||
| 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 < /em><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. | ||
| کلیدواژهها | ||
| ascorbic acid؛ Growth؛ Hematological parameters؛ Salmo trutta caspius | ||
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