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

Brian C. Peterson

Health & Welfare

Prebiotics, probiotics provide alternatives to antibiotics

As the demand for aquaculture products increases, so does the search for environmentally friendly alternatives to antibiotics. Alternatives to antibiotics include dietary prebiotics, probiotics and synbiotics. 

Health & Welfare

Genetic response to selection in channel catfish

USDA and partners are developing channel catfish that exhibit superior growth, fillet yield and resistance to enteric septicemia. Although ongoing research continues to select the USDA lines for better performance, studies comparing the strains have been inconclusive. 

Health & Welfare

Gene-based markers could aid selective breeding

Stress hormone axes could be used as markers for selective breeding. Researchers see a negative correlation between weight gain and cortisol response to acute stress.