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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

2015, Vol. 3, Issue 2, Part A

Effects of dietary protein levels and stocking densities on growth, and survival of monosex Oreochromis niloticus


Author(s): Olele NF, Ikenga EE, Bratte L, Adaka GS

Abstract: Crude protein rations and stocking densities influence growth, and nutrient composition of fish, depending on environmental factors etc. 240 fish samples, with weight and size ranges between 10.01-12.11 g and 8.0-9.7cm respectively were hand-sexed. They were acclimated in 100 liters plastic bowl and fed compounded feed, 5% body weight, twice daily for 90 days. The experiment was 2 x 3 x 4 factorial. Data obtained revealed that the highest body weight (TC2 - 16.72±6.52) was obtained at 30% crude protein at a stocking density of 20 fish samples. The highest feed conversion ratio (TC3 -19.57±0.96) was obtained at 30% crude protein at a stocking density of 30 fish samples. The highest and lowest protein efficiency ratios were obtained at 35% crude protein diet (TD1 -1.76±0.48a) and 30% crude protein diet (TC3-0.35±0.12c). Fish survival at dietary rations and stocking densities was 100%. The study indicates that Oreochromis niloticus fed 30 % crude protein diet at a stocking density of 20 fish/100 liters bowl resulted in the highest growth.

Pages: 12-16  |  739 Views  40 Downloads

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How to cite this article:
Olele NF, Ikenga EE, Bratte L, Adaka GS. Effects of dietary protein levels and stocking densities on growth, and survival of monosex Oreochromis niloticus. International Journal of Fisheries and Aquatic Studies. 2015; 3(2): 12-16.
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