Dr Bill McGraw

The detection of an unidentified pathogen in my own farm caused me to consult some of the world’s preeminent experts on early mortality syndrome (EMS) about a possible solution and taught me another vital lesson in biosecurity.

Dr James Rakocy, who has been involved in designing systems that produce both plants and fish since the 1970s, reveals his hard-won experience in a sector that is only set to grow.

During an era when more and more freshwater bodies are being affected by saltwater intrusion, should aquaculture operators consider diversifying into species that have a greater tolerance for saline conditions?

Ensuring optimum water quality parameters is the biggest challenge for ensuring the smooth running of a recirculating aquaculture system (RAS).

The use of aquaculture-derived waste products to grow secondary crops – such as used in biofloc systems or aquaponics – can increase profits by more than 20 percent, as some of the leading proponents of this field explain.

How American Penaeid rose from the rubble of two hurricanes to create a new model for shrimp production in the US.

The hyper-intensive production of tropical species might be a hard sell in the US, but a handful of companies have developed systems that have made successful leaps in the sector.

How vertical integration and live fish sales have enabled Blue Ridge Aquaculture in Virginia to thrive in a market otherwise dominated by large-scale Asian and Central American tilapia producers.

How a cobia producer in Panama is winning plaudits - and certification success - for its ethical and environmental approach to aquaculture.

Following recent claims that culturing salmon in open net pens could become the most sustainable form of healthy protein production on the planet, Dr Bill McGraw assesses the relative merits of different aquaculture species and systems. As a specialist in the …

Stable, biosecure, zero water-exchange aquaculture is the only remedy for repeated catastrophic loss from disease in the shrimp industry, according to Panama-based shrimp RAS expert Dr Bill McGraw.

The success of coral sponges in Bocas Del Toro is due to more than the absence of El Niño, according to Dr Bill and Gladys McGraw.

One third of all marine species that live in the sea spend at least part of their lives on coral reefs which are some of the most diverse ecosystems in the world, second only to rainforests. Slow growing coral reefs are worth more than the $billions in revenue…