Research on the effect of feeding with the addition of S.cerevisiae on the immune response and survival of White Snapper (L. calcarifer) has been carried out at the Lampung Marine Aquaculture Center (BBPBL). The experimental design used was a Completely Randomized Design and used 2 tubs of fiber measuring 2 m x 1 m x 0.6 m and used 12 jars with a volume of 25 L with a dense stocking of 10 indiv…