<![CDATA[Whiteleg shrimp (Litopenaeus vannamei) is a leading aquaculture commodity with high economic value and can be farmed intensively with high stocking density. Intensive farming systems have the potential to increase the accumulation of organic matter and metabolic waste, which can trigger the growth of pathogenic bacteria such as Vibrio sp. The presence of these bacteria can cause health disturbances in shrimp and reduce survival rates. The purpose of this study is to determine and test the effectiveness of probiotics in suppressing the population of Vibrio sp. in whiteleg shrimp (Litopenaeus vannamei) farming. Data collection methods were carried out primarily and secondarily through direct observation, interviews, active participation in the field, documentation, and literature studies. Control techniques were performed through several stages, namely pond preparation, probiotic culture using molasses and skim milk, mixing probiotics into feed, application of probiotics to ponds. as well as routine monitoring of water quality. The observed parameters include nitrate (NO₃), nitrite (NO₂), ammonium (NH₄), phosphate (PO₄), alkalinity, Total Organic Matter (TOM), and the total population of Vibrio sp. The results of the study showed that the application of commercial probiotics was effective in suppressing the growth of Vibrio sp. with a population density of 103-104 CFU/ml during cultivation through the mechanisms of nutrient competition and the production of antibacterial compounds, as well as helping to maintain the stability of pond water quality within the optimal range for shrimp growth.]]>
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