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

David D. Kuhn


Trace minerals in tilapia fillets, part 2

In part 2 of this study, a seven-week fish feeding trial was conducted to study the influence of organic versus inorganic dietary selenium on Nile tilapia. 

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Human enteric viruses in shellfish, part 3

Epidemiological studies have estimated that noroviruses are responsible for 60 percent to 80 percent of all foodborne outbreaks of gastroenteritis worldwide. Consumption of shellfish is one of three main transmission routes of norovirus infection. 


Human enteric viruses in shellfish, part 2

Since bivalve shellfish filter large volumes of water to feed, they can accumulate and concentrate bacteria and viruses from various pollution sources. Among enteric viruses, noroviruses are the leading cause of gastroenteritis in humans who consume affected shellfish. Current wastewater 


Human enteric viruses in shellfish, part 1

Commercially harvested shellfish have been reported to cause gastro-enteritis when humans consume virus-contaminated products. Rotaviruses are one of the main types of viruses able to survive and persist in the aquatic environment. 


Shrimp out of water: Shipping live shrimp in waterless conditions

Live markets represent a promising niche in regions where locally raised seafood cannot compete with inexpensive imports. Study results suggested regional shrimp producers could effectively reach premium markets by shipping using waterless methods. 

Health & Welfare

Antibiotic-resistant bacteria, part 2

The development of antimicrobial resistance genes in human pathogens as a consequence of exposure to antibiotics in aquaculture is widely documented. Reports implicate foodborne antibacterial-resistant pathogenic bacteria in human disease.