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August 4, 2014

The World

Recommendations for Dealing with EMS from GAA’s Advocate


• Eliminating EMS and other pathogens from pond water

• Establishing a balanced microbial population

• Breeding for resistance

• Stocking healthy postlarvae

• Closely managing water quality and bottom sediments

• Disinfecting with chlorine or ozone to eliminate pathogens

• Creating a mature microbial community

• Using probiotics and polyculture to condition water

• Establishing light to moderate biofloc populations

• Avoiding overfeeding

• Removing sludge regularly

• Using nurseries to hold young postlarvae until they are larger and more robust,
while also confirming they are free of EMS.

• Using biosecure intensive ponds

• Identifying feed additives that reduce the incidence of EMS

• Adopting integrated farm management techniques

• Avoiding farm sites with shared inlet and discharge canals

• Considering the carrying capacity the ecosystem

• Encouraging the development of well-equipped labs for better detection of EMS


Source: The Global Aquaculture Advocate (The Global Magazine for Farmed Seafood).  Editor, Darryl Jory (  EMS Update: Impacts Continue, But Industry Gaining Against Disease.  Volume 17, Issue 4, Page 18, July/August 2014.

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