Volume 13, Issue 6 (2011)
JAST 2011, 13(6): 869-876 |
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Enayat Gholampoor T, Imanpoor M R, Shabanpoor B, Hosseini S A. The Study of Growth Performance, Body Composition and Some Blood Parameters of Rutilus frisii kutum (Kamenskii, 1901) Fingerlings at Different Salinities. JAST 2011; 13 (6) :869-876
URL: http://jast.modares.ac.ir/article-23-8547-en.html
URL: http://jast.modares.ac.ir/article-23-8547-en.html
1- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Islamic Republic of Iran.
Abstract: (6009 Views)
This study was carried out to investigate the effects of salinity levels (0, 2, 4, 7 and 10 ppt) on growth indices, blood biochemical parameters, and body composition in Rutilus frisii kutum fingerlings (initial weight 1.330.02 g) during 60 days. Results indicated that the highest rates of daily growth, specific growth and weight gain per fish were obtained at the levels of 4 and 2 ppt (P<0.05). The lowest rates of these indices were observed at 10 ppt (P<0.05). FCR (food conversion ratio) and CF (condition factor) showed no significant difference among various treatments (P>0.05). Findings of blood biochemical factors at the end of the study (hematocrit, total protein, glucose, cholesterol, calcium, sodium, potassium and magnesium) revealed no significant variation in different salinities (P>0.05). Changes in protein, moisture, fat and ash content were not significant at the end of the experimental period (P>0.05).
Received: 2011/05/9 | Accepted: 2011/05/9 | Published: 2011/05/9
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