The Bacterial isolate B. cereus SN7 used came from the collection of the Marine Microbiology Laboratory. This research aims to test the ability of B. cereus SN7 as a replacement protein in feed to increase the growth of saline tilapia fish based on the blood profile (hematocrit, hemoglobin and leukocytes) provided by bacteria. This research was carried out from February-April 2024. This researc…