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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2017, Vol. 5, Issue 6, Part D

Effect of dietary salt supplementation on growth and feed utilization of Tilapia (Oreochromis niloticus)


Author(s): Pinky Debnath, Sajib Kumar Chowdhury and Nirmal Chandra Roy

Abstract: The present study was conducted to determine the consequences of supplementing dietary salt on growth and feed utilization of tilapia (Oreochromis niloticus Linnaeus, 1758) in laboratory condition for a period of 21 days. Four treatments with three replicates in each containing 30 fish (average weight, 2.2 ± 0.01 g) were stocked in 100 liter aquaria. Four treatments were designated as T1 (SD+0% salt of diet), T2 (SD+1.0% salt of diet), T3 (SD+1.5% salt of diet) and T4 (SD+2% salt). The fish were fed at 20% body weight twice a day. Significantly (p<0.05) higher weight gain of tilapia was found in T3 (8.90 ± 0.31g) followed by T2 (8.75 ± 0.29 g), T4 (7.68 ± 0.07 g) and T1 (5.23 ± 0.22 g). The highest length gained by the groups treated with T3 (2.93 ± 0.19 cm) followed by T2 (2.92 ± 0.04 cm), T4 (2.73 ± 0.06 cm) and T1 (1.84 ± 0.03 cm). Specific growth rate (SGR) (p<0.05) was found to be the highest in T3 (8.16 ± 0.21) followed by T2 (8.08 ± 0.23), T4 (7.56 ± 0.06) and T1 (6.20 ± 0.24). The highest survival was found in T3 (85.55 ± 1.93) followed by T2 (84.44 ± 1.93), T1 (83.33 ± 0.00%) and T4 (81.11 ± 1.92). The lowest food conversion ratio (FCR) was obtained in T2 (1.15) than that of T1 (1.57), T4 (1.40) and T3 (1.18), respectively. The growth parameters indicated that supplemental feed with 1.5% dietary salt can be incorporated in O. niloticus diet.

Pages: 275-280  |  430 Views  39 Downloads

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How to cite this article:
Pinky Debnath, Sajib Kumar Chowdhury and Nirmal Chandra Roy. Effect of dietary salt supplementation on growth and feed utilization of Tilapia (Oreochromis niloticus). International Journal of Fisheries and Aquatic Studies. 2017; 5(6): 275-280.
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