The present study evaluated the production of Litopenaeus vannamei in a high density biofloc-dominatedsystem using two commercial feeds; a less expensive feed (US$0.99 kg−1) formulated for semi-intensivesystems and the more expensive (US$1.75 kg−1) which was designed for hyper-intensive systems. A67-days study was conducted in six 40 m3lined with Ethylene Propylene Diene Monomer membranerac…