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January 19, 2015


Mineral Extract Effective Against EMS and Whitespot


In this study, shrimp are treated with a mineral extract [not named!] to evaluate its ability in reducing the effects of whitespot and EMS.


The results showed that the incorporation of the mineral extract at a 5 mg/g concentration in pelletized diets was effective in reducing the impacts of WSSV and EMS.  The compound is stable, simple to administer and relatively inexpensive.  Its inclusion in commercial diets provides an efficient mechanism for microbial activity control in the shrimp gut that may contribute to the solution for the mass mortalities associated with V. parahaemolyticus and WSSV on commercial shrimp farms.  Compared to control animals, shrimp fed the treated diets had significantly higher survival after challenge by injection with the pathogens.


Source: The Global Aquaculture Advocate (The Global Magazine for Farmed Seafood).  Editor, Darryl Jory (  Mineral Extract Reduces EMS, White Spot Impacts in Pacific White Shrimp.  Humberto Villarreal-Colmenares, Ph.D. (email, BIOHELIS Innovation, and Technology Park, Centro de Investigaciones Biologicas, del Noroeste, S.C., Instituto Politecnico Nacional #195, Col. Playa Palo de Santa Rita, La Paz, Baja California Sur, Mexico 23090) and Felipe Ascencio-Valle, Ph.D.  Volume 18, Issue 1, Page 63, January/February 2015.

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