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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

2019, Vol. 7, Issue 5, Part A

Effect of fasting and inclusion plant protein on growth and feed efficiency of hybrid red tilapia (Oreochromis mossambicus × Oreochromis niloticus) fry


Author(s): Abdel-Aziz MF, Abdel Moneim M Yones and Atallah Metwalli A

Abstract: An experiment was conducted on hybrid red tilapia fry (Oreochromis mossambicus × Oreochromis niloticus) under laboratory condition; it consisted of three treatments, the first treatment (T0) the fish did not feed or the feeding prevention with reliance on live food in reared pond. The second (T1) and the third treatments (T2) were conducted to evaluate the effect of total replacement of fish meal protein with soybean meal protein on growth performance and feed efficiency. The T1 was contain (25.3 % crude protein compose as: 1/3 animal protein source (Fish meal) and 2/3 plant protein source). However, in the T2 fry was fed on diet with 25.1% crud protein after totally replacement fish meal with plant protein source (Soybean meal). This experimental was triplicated and done in nine cement pond (1m3). Fish fry with mean initial weight of (0.083±0.31g) were stocked at 25 fry/ pond, and fed to apparent situation in twice daily. The experimental duration was 60 days. The results reveled that, in spite of the feeding prevention in T0 fish can fed on natural phytoplankton in water of Qaroun lake and this can contribute 35% of the growth rate of hybrid red tilapia fry compared with fish fed on fish meal diet (T1). Also, the statistical analysis showed that there were significant differences (p˂0.05) between T1 and T2 in specific growth rate (SGR) and survival rate, whereas the diet (T1), which contained 1/3 animal protein was better than the diet (T2), which substitute fish meal with soybean meal as a plant protein source. It can be confirmed that the hybrid red tilapia fry can used as a new tolerance species for the environmental changes condition in Qaroun Lake. The results also revealed that the supplementary diet in rearing red tilapia was essential to enhance its growth and feed efficiency.

Pages: 54-61  |  274 Views  35 Downloads

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How to cite this article:
Abdel-Aziz MF, Abdel Moneim M Yones, Atallah Metwalli A. Effect of fasting and inclusion plant protein on growth and feed efficiency of hybrid red tilapia (Oreochromis mossambicus × Oreochromis niloticus) fry. Int J Fish Aquat Stud 2019;7(5):54-61.
International Journal of Fisheries and Aquatic Studies