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

Studying the stubborn salmon disease SRS from afar

Piscirickettsia salmonis, or P. sal, is a persistent pathogen in the waters off Chile, causing millions of dollars of damage to the nation’s massive aquaculture industry. A university researcher 6,000 miles to the north hopes to provide insight that leads to the development of an effective vaccine.

Health & Welfare

Descomposición y acumulación de materia orgánica en estanques

Los estanques acuícolas acumulan materia orgánica de fertilizantes orgánicos, restos de micro-organismos producidos dentro del estanque, las heces de los animales criados y el alimento no-consumido. Claude E. Boyd, Ph.D., detalla las principales prácticas de gestión de la materia orgánica, 


Walleye and saugeye growing successfully indoors

Past and ongoing studies at the UWSP Northern Aquaculture Demonstration Facility (UWSP-NADF) have shown that walleye and hybrid walleye can be successfully raised indoors using early advanced spawning, incubation and rearing techniques. Marketing studies indicate good aquaculture potential and high 


What’s in your fish? FDA reinforces aquaculture drug policy

Drug-related import refusals at U.S. ports were up in 2015 for the third straight year. Representatives from the National Fisheries Institute and the Food and Drug Administration discussed U.S. aquaculture drug policy at Seafood Expo North America and how the 

Health & Welfare

PCR methods characterize AHPND V.p isolates

In analyzing the plasmid sequence from the whole genome sequences of AHPND V. parahaemolyticus (V.p) isolates, researchers identified a clear geographical variation within the plasmid, and developed PCR methods to characterize AHPND V.p isolates as either Mexico-type or Southeast Asia-type. 


Is purpose the new branding ideal for seafood?

What is the real meaning of corporate social responsibility? How can seafood harness and leverage its virtues? Speakers at Seafood Expo North America concluded that purpose is key to prosperity for an industry that’s central to environmental and human health. 


Biofloc systems viable for tilapia production

Well-designed and managed biofloc technology systems are a viable alternative for production of various species like tilapia, to increase feed efficiency by lowering aquafeed protein requirements and to help reduce or eliminate effluent discharges. 


Productores de moluscos holandeses trayendo el mar a la tierra

El cultivo de bivalvos moluscos es una forma de producción de proteínas de bajo impacto, y en muchos casos es netamente positivo para la calidad del agua. Entonces, ¿por qué moverlo bajo techo? Smit y Smit en los Países Bajos 


Improving productivity, efficiency in Asian sea bass aquaculture

The effects of the dietary acidifier and feed additive potassium diformate (KDF) were tested in diets of juvenile Asian seabass (Lates calcarifer) in Thailand. Results show that including KDF at 0.5 percent in the diets can help improve growth, survival 

Health & Welfare

Virulent Aeromonas hydrophila in channel catfish

This study investigated factors that predisposed catfish to motile Aeromonas septicemia (MAS) caused by virulent Aeromonas hydrophila (vAh). Results revealed that wounding on fish body surface was important for vAh infection and disease development.