Author(s): Bharathi S, Cheryl Antony, Rajagopalasamy CBT, Uma A, Ahilan B and Aanand S

Abstract: Global aquaculture production (including aquatic plants) stands at 110.2 million tonnes, with the first-sale value estimated at USD 243.5 billion. The total production included 80.0 million tonnes of food fish and 30.1 million tonnes of aquatic plants. Since 2000, world aquaculture no longer enjoys the high annual growth rates of the 1980s and 1990s. Nevertheless, aquaculture continues to grow faster than other major food production sectors. Annual growth declined to a moderate 5.8 percent during the period 2001–2016, growth is still. Presently aquaculture contributes to 46.8 percent of total global fish production. This increase in growth of aquaculture has been primarily attributed to development in good quality feeds. Any good quality feed is prepared from proper and essential feed additives. Recent developments in functional feed additives are showing promising yields to aqua farmers. Functional feed additives not only improve the growth performance of the fishes but also improve the health performance of the fishes. These functional feed additives are derived from different sources. These are organic and eco-friendly to fishes and environment. These functional feed additives include prebiotics, probiotics, seaweeds, mushrooms, microalgae, enzymes, organic acids, mycotoxin binders, photogenic or phytobiotic compounds and yeasts.

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