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

Ph.D.

Responsibility

Efficiency of mechanical aeration

Although relatively expensive, mechanical aeration increases production. Asian-style paddlewheel aerators are widely used but are inefficient. Testing has led to more efficient designs that are now widely used in U.S. catfish and shrimp ponds. 

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.