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

digestibility

Health & Welfare

Effect of dietary salt on Nile tilapia

Study examines impact of an increase in dietary NaCl on nutritional and other physiological processes, and effects on gut microbiome in Nile tilapia. 

Aquafeeds

Digestibility of fishery byproducts tested

A study of shrimp feeding demonstrated the digestibility of byproducts prepared from salmon livers, salmon milt, black cod viscera and arrowtooth heads and viscera from Alaskan fisheries processing plants. 

Health & Welfare

Potassium diformate does not affect shrimp growth, survival

An eight-week growth trial evaluated the effects of potassium diformate on the growth performance and digestibility of Pacific white shrimp. Weight gain was not significantly affected by different levels of PDF in diets, and survival was high for all treatments. 

Health & Welfare

Feed ingredient digestibility

Determining the digestibility of protein and other nutrients in feed ingredients is an important step in the formulation of balanced feed.