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Paper Details

Effects of stocking density on hematological parameters, growth and survival rate of Caspian Roach (Rutilus rutilus caspicus) larvae

Sohrab Ahmadivand1*, Soheil Eagderi2, Mohammad Reza Imanpour3

Journal Title:Journal of Chemical, Biological and physical sciences

Hematological parameters and growth performance are considered as indicators to determine the response of fish to different environmental conditions. Stocking density in aquaculture is one of the important stressors that can effect on these indicators. This study was conducted to determine the impact of different stocking density on the hematological parameters, growth performance and survival rate of Caspian Roach larvae as well as to determine its appropriate stocking density. In total, 540Caspian Roach larvae with average weight of 0.3270.02 g were introduced to 30 liter tanks in stocking density of 1, 2 and 3 larvae per liter with three replicates. The experiment was carried out in completely random design. Results showed significant differences in growth performance including weight gain (WG), feed conversion ratio (FCR) and specific growth rate between the three treatments (P0.05). Based on the result of this study optimum stocking density of one larva per liter is suggested.