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International Journal of Fisheries and Aquatic Studies
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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2021, Vol. 9, Issue 2, Part A

Comparison of nutrients and fatty acid of wild and hatchery fingerlings of Clarias gariepinus fed five formulated feeds and cultured in recirculating aquaculture system


Author(s): Elsadig A Hagar, Zuheir N Mahmoud and Abdelrahman I Elhag

Abstract: Wild and hatchery fingerlings of Clarias gariepinus were cultured in recirculated aquaculture system. They were fed five diets composed of fish meal: poultry by-product meal at a ratio of 100:0%, 75:25%, 50:50%, 25:75% and 0:100%, respectively. The gross chemical composition showed no significant differences in the flesh of wild and hatchery fingerlings in composition, except that the fat content of 25:75% diet was significantly higher (p<0.01) in the wild fingerlings. The highest calorific values was shown by wild fingerlings given 25:75% diet .The lowest fat to protein ratio was obtained by fingerlings fed 75:25% diet. The 29 fatty acid obtained from the oil of C. gariepinus included 15 saturated fatty acids, 7 monounsaturated and 7Polyunsaturated fatty acids.

DOI: 10.22271/fish.2021.v9.i2a.2434

Pages: 14-18  |  63 Views  17 Downloads

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How to cite this article:
Elsadig A Hagar, Zuheir N Mahmoud, Abdelrahman I Elhag. Comparison of nutrients and fatty acid of wild and hatchery fingerlings of Clarias gariepinus fed five formulated feeds and cultured in recirculating aquaculture system. Int J Fish Aquat Stud 2021;9(2):14-18. DOI: https://doi.org/10.22271/fish.2021.v9.i2a.2434
International Journal of Fisheries and Aquatic Studies