News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.


Health & Welfare

Do current shrimp practices favor EMS?

After refilling ponds, surviving microorganisms – including Vibrio parahaemolyticus, which causes EMS in shrimp – may benefit from the availability of nutrients in sediment and water and lack of competing microorganisms. 

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Health & Welfare

What to do about EMS/AHPN?

Ideally, farmers need to create conditions that make it harder for the pathogenic Vibrio that causes AHPN to colonize animals’ stomachs and for the toxin to produce its pathology. Exclusion where possible and appropriate management of ecosystems offer hope in 


EMS impacts: Disease shifts shrimp supplies, prices, future production

Early mortality syndrome (EMS) has led to reduced production in major Asian shrimp-farming areas and resulted in higher prices for shrimp. The situation provides opportunities for low-intensity producers in Latin America and other traditionally secondary shrimp producers to expand output 

Health & Welfare

Early Mortality Syndrome affects shrimp in Asia

Early Mortality Syndrome is a new disease that has been detected at shrimp farms in Asia. It appears within 30 days of stocking and causes symptoms that include lethargy; soft, darkened shells and mottling of the carapace.