Microbiota associated with animals provide benefits for the health and growth of the animal concerned. This study aims to isolate, characterize and identify Bacillus spp. associated with abalone as a probiotic candidate. Characterization and identification were based on morphological, physiological and biochemical characters using a microbiology analyzer. The results of isolation from the shell and digestive tract of abalone obtained 4 isolates of Bacillus which had different morphological characteristics. characterization and identification studies showed that isolates CAK1 and CAK2 were Bacillus coagulans with 94% and 99% similarity, respectively, SLK2 isolates were Bacillus licheniformis with 99% similarity, and SLK1 was Bacillus pumilus with 99% similarity
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