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

Ronald W. Hardy

Aquafeeds

Breaking the 20 percent soy barrier in fish feed

Reduced performance in fish fed high-soy feeds has been blamed on antinutrients, low methionine content and palatability issues. Pretreatment to inactivate anti-nutritional compounds and supplementation with amino acids improves soy-based feed performance, but not to control levels. 

Aquafeeds

Moving toward sustainable fish feeds

The aquaculture industry has significantly reduced fishmeal levels in feeds for major farmed species. To further reduce fishmeal use, new research approaches are essential. 

Aquafeeds

Best management practices for salmon feeds

BMPs for salmon feed manufacturers cover formulation and evaluation of ingredients, while farmers should focus on amount, frequency and delivery of feed.