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

Vibrio parahaemolyticus

Health & Welfare

Cost-effective biosecurity crucial for shrimp farming

Many shrimp producers give only perfunctory attention to routine biosecurity at hatcheries and farms. A cost-effective biosecurity program for farmed shrimp requires reliable diagnostic tools to make timely decisions to control or exclude pathogens. 

Health & Welfare

Four AHPND strains identified on Latin American shrimp farms

Two virulence genes are known to encode a binary photorhabdus insect-related toxin that causes acute hepatopancreatic necrosis disease in shrimp. The pathogenicities of these V. campbellii strains were evaluated through laboratory infection and subsequent histological examination in P. vannamei shrimp. 

Intelligence

As ocean temperatures rise, so too will vibrio outbreaks

A study using a half-century of data has linked climate change and warming sea temperatures with an increase in illnesses from the common vibrio bacteria. Shellfish growers, fighting a particularly virulent strain of Vibrio parahaemolyticus, are changing their harvest protocols.