The abalones were fed every other day. In the treatments G. j + L. j, G. j + G. t, and G. t + L. j, eachtreatment two different algae were delivered to abalones one after another. To evaluate biological evaluation, daily rateof shell increase (DRSI), weight growth rate (WGR), specific growth rate (SGR), and feed conversion efficiency (FCE) werecalculated. The formulas are as follows