Proceedings of the Zoological Society 2014 highlight this review organised by Sudeshna Sen Roy and Ruma Pal on Microalgae biotechnology.
Clearly this item has gained considerable importance in recent decades and its use is extending day by day into several areas like nutraceuticals research, renewable energy source, production of essential biomolecules like β-carotene, astaxanthin, PUFA, bio colorant production, wastewater treatment, bioremediation and aquaculture etc.
Among all of these, microalgae as a source of nutrition has long drawn the attention and are widely used in animal nutrition. Fishmeal is the preferred protein ingredient of feed in aquaculture industry, contributing significantly to the variable production cost, but, decreasing fishmeal supply and increasing costs posts threats to the sustainability and growth of the aquaculture industry.
The assumption, therefore, complete or partial substitution of fishmeal with alternative proteins is needed to solve the problem. Presently, microalgae are used worldwide as an alternate protein source replacing fishmeal successfully.
In feeding trials with fish, many types of microalgae have been found to be used for increasing growth (protein accretion), feed utilization, physiological activity, stress response, starvation tolerance, disease resistance, and carcass quality.
This review is an attempt to review the application of different microalgae in rearing of aquaculture animal especially the fishes.
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