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Various studies on spirulina as an alternative feed for animal and aquaculture have been done. [4] Spirulina can be fed up to 10% for poultry [ 25 ] and less than 4% for quail. [ 26 ] An increase in spirulina content up to 40 g/kg (0.64 oz/lb) for 16 days in 21-day-old broiler male chicks resulted in yellow and red coloration of flesh, possibly ...
Fish food should ideally provide the fish with fat (for energy) and amino acids (building blocks of proteins) and the fish food (whether flake or pellet) must be speedily digested in order to prevent buildup of intestinal gas, kidney failure and infections (such as swim bladder problems and dropsy) and to avoid aquarium pollution due to ...
The oldest documented use of microalgae was 2000 years ago, when the Chinese used the cyanobacteria Nostoc as a food source during a famine. [3] Another type of microalgae, the cyanobacteria Arthrospira ( Spirulina ), was a common food source among populations in Chad and Aztecs in Mexico as far back as the 16th century.
About 35 minutes from the capital Reykjavik, the Vaxa site produces the microalgae Nannochloropsis, both as food for people, and for feed in fish and shrimp farming.
Spirulina (Arthrospira platensis) is a blue-green microalgae with a long history as a food source in East Africa and pre-colonial Mexico. Spirulina is high in protein and other nutrients, finding use as a food supplement and for malnutrition. Spirulina thrives in open systems and commercial growers have found it well-suited to cultivation.
Utilization of aquatic organisms (e.g., phytoplankton, zooplankton, and fish) are an important part of constructing natural food chains within closed ecological systems. [ 6 ] Construction of a Spirulina to fish food chain opens up the possibility of recirculating aquaculture systems in areas where there may be scarcity or absence of suitable ...