Trial 2 was conducted in two, 100-m3 raceways with 1.1-m average water depth using P.L. stocked at 540/m3. Each raceway was equipped with 14 high-pressure injectors driven by up to two, 2-hp pumps for all aeration, circulation and
mixing needs. Shrimp were fed the same dietary regime as those in the Artemia replacement and dry feed treatment in
trial 1.