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This study aims to determine the effect of the use of various liquid probiotics in quail drinking water on the quality of the reproductive tract and quail production. The study used a completely randomized design pattern with four treatments, namely: quail got drinking water without liquid probiotics (P0), quail got drinking water with commercial probiotics A (P1), quail got drinking water with commercial probiotics B (P2), and quail got drinking water with commercial probiotics C (P3), replicates 5 times and 5 quails in each research unit. Drinking water is given in ad libitum with a liquid probiotic concentration of 2ml / liter. Quail feed contains PK 22.2% and energy of 3032.5 kcal. Treatment affects the reproductive tract + egg weight, egg weight and reproductive tract length, weight before slaughter, weight after slaughter, weight after hair removal, heart weight, gastrointestinal weight, (P <0.01) but no effect on carcass weight, weight, follicular weight, gizard weight, length of the digestive tract and length of caeca. The treatment of liquid probiotics in drinking water improves the quality of reproduction and quail production.