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February 18, 2014

Brazil

Bacteria to Replace Fishmeal

 

From Abstract: The cyanobacteria Arthrospira (Spirulina platensis) contains high quality protein and immunostimulatory properties that have been tested in mammals, fish and crustaceans.  In this study, it was fed to white shrimp (Penaeus vannamei) for 50 days to evaluate its affect on growth and immunological parameters.   Experimental isonitrogenous diets (~ 35% protein), containing 0%, 25%, 50%, 75% and 100% A. platensis, were used to replace fishmeal.

 

The results showed that up to 75% of fishmeal could be replaced by A. platensis without affecting survival or creating growth depression.  Moreover, the smaller substitution level (25%) promoted an enhancement of the tested immunological parameters.

 

Source: Aquaculture.  Fishmeal Substitution with Arthrospira (Spirulina Platensis) in a Practical Diet for Litopenaeus vannamei: Effects on Growth and Immunological Parameters.  Joaquin Macias Sancho (Programa de Pós-Graduação em Aquicultura, Universidade Federal do Rio Grande), Rio Grande, Brasil), Luís Henrique Poersch, William Bauer, Luis Alberto Romano, Wilson Wasielesky, Marcelo Borges Tesse (email mbtesser@gmail.com).  In Press, available online on February 7, 2014).

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