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

feed

Aquafeeds

Fishmeal-free Atlantic salmon feed formulation shows promise

A recent study evaluated the effects of a fishmeal-free diet on Atlantic salmon performance and fillet quality during successful growout to market-size in a commercial-scale, land-based, closed-containment system using water recirculation technology. Test fish performed well, with 97 percent survival 

Aquafeeds

Aquaculture Exchange: Lukas Manomaitis, USSEC

The U.S. Soybean Export Council is a huge supporter of aquaculture growth globally, as so many aquafeed formulators rely on U.S. soy to create nutritious diets. The Southeast Asia senior technical advisor for USSEC’s aquaculture program talks about this symbiotic 

Aquafeeds

NIRS technology ensures shrimp feed quality at farm level

Feed plants deal with varied raw materials, formulations and feeds for different animals, which can lead to quality issues and nutrient variations. Near-infrared spectroscopy (NIRS) has been successfully applied in Brazil to ensure feed quality standards at the farm level. 

Aquafeeds

Natural feed additives enhance rainbow trout performance

Various additives, many of plant origin, have been explored to replace the use of antibiotics in aquafeed. The authors compared the performance of rainbow trout fed diets containing oxytetracycline or mineral additives yellow loess and Song-Gang stone powder. 

Aquafeeds

Natural feed additive improves shrimp productivity

The digestive systems of shrimp are main entry points for bacterial and viral pathogens, and unfavorable microflora. Natural feed additives that combine different actions have proven effective in improving survival where shrimp are exposed to bacterial pathogens. 

Aquafeeds

Increased density improves grouper feeding response, growth

A growth trial using hatchery-reared grouper was carried out to study the effects of stocking density on feed intake and subsequent growth. Contrary to common perceptions, fish stocked at the highest density had higher feed intake and body weights. 

Aquafeeds

Insect meals: Novel protein, fat sources for farmed shrimp

Poor-quality ingredients can’t become good-quality ingredients. Quality protein is essential for the healthy growth of any omnivorous or carnivorous aquaculture species. Insect meals seem to fill this need, and their mass-scale production appears to be sustainable. 

Health & Welfare

Continuous improvement from farm trials

Continuous improvement is a critical strategy required for the success of any business, including shrimp farming. Routine programs for farm feed trials that incorporate best practices can contribute to better decision making and a faster improvement. 

Health & Welfare

Feed management improves profits in intensive white shrimp farming

To ensure optimal water quality and clean pond bottoms at shrimp farms, choosing consistently good-quality feed and close monitoring of feed trays supported by a proven feeding guide are recommended practices to control the amount of feed applied to ponds.