International Journal of Marine Science 2016, Vol.6, No.25, 1-8
6
Seaweed may also give an important contribute in fish diets as lipid sources (Nakagawa
et al
., 1987), and binding
(Hashim and MatSaat, 1992) or coloring agents (Gouveia
et al
., 2003). Lipids are primarily included in
formulated diets to maximize their protein sparing effect (Hasan, 2001) by being a source of energy. In this study
the experimental fishes showed drastic increase in lipid content after fishes subjected to the feeding experiment.
Dietary lipids are known to play an important role in animal nutrition as they provide energy, maintain the
structural integrity of biological membranes and function as precursors of important steroids
(Corraze, 2011).
4 Conclusion
Protein is the largest and most expensive component of aquaculture diets, and nutritionist therefore aim to
formulate diets in which the energy required by the animal is provided by non- protein sources. Often the seaweed
chosen for fish feeding studies appear to have been selected largely for convenience because they are low cost and
commonly available along the Indian coastal waters. From the feed developer’s perspective these findings are
very encouraging as the use of seaweed ingredients will significantly reduce the cost of the formulated diet
production. Therefore, reducing fish meal inclusion levels and replacing fish meal with cost-effective, widely
available and environmentally benign seaweed
Lobophora variegata
was considered essential for the future
development of the aquaculture industry.
Author’s Contribution
U.D conducted the experiments, S.J did data collection and statistical analyses, V.S and N.T gifted the seaweed samples, P.S designed
the work and A.S helped in biochemical analyses.
Acknowledgements
Authors are grateful to the Head, Department of Marine Science and authorities of Bharathidasan University, Tiruchirappalli, India,
for facilities provided.
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