Microalgae for Aquaculture

A number of microalgae are used in aquaculture, for example, Isochrysis, Pavlova (Prymnesiophyceae), Monodus and Nannochloropsis (Eustigmatophyceae), and Tetraselmis (Prasinophyceae). Live microalgae play a key role in aquaculture, being the feed source for the larvae of mollusks, crustaceans, fish hatchings, or rotifers, which are used as fish feed. The biomass has a high content of polyunsaturated fatty acids (PUFAs). Various types of closed photobioreactors are used for their cultivation: polyethylene bags, cylinders, flat panels, horizontal tubu lar systems, and annular columns. Microalgal products for aquaculture represent one of the biggest global markets. The dried biomass is also used as a feed supplement in pellet form for adult fish.

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