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

recirculating aquaculture systems

Health & Welfare

Biofilter inoculation in recirculating aquaculture systems

Biological filters are essential parts of recirculating aquaculture systems that transform toxic fish compounds such as ammonium and nitrite into less-harmful nitrate. The authors tested the convenience and efficiency of three methods for the initial inoculation of aerobic biofilters. 

Aquafeeds

Feed management for RAS, part 2

The higher cost of feeds for RAS can be offset by better management, since it is easier to feed frequently and monitor uneaten or wasted feed.