Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 21, Issue 1, 2019; Page No.(1-4)

THE EFFECTIVENESS OF COMMERCIAL PROBIOTICS APPROPRIATION ON FEED ON NILE TILAPIA (OREOCHROMIS NILOTICUS)’S GROWTH AND FEED CONVERSION RATIO

YULI ANDRIANI, ZUZY ANNA, ISKANDAR, SYIFA ZAHIDAH AND MUHAMMAD FATAH WIYATNA

Abstract

This research aims to find out the proper dosage of commercial Probiotic appropriation on fish feed, which can be result in the highest growth of Nile tilapia (Oreochromis niloticus). This research is conducted at Hatchery Indoor Biomethagreen in Sumedang. The research starts from May to June of 2017. Method used is the experimental method with Completely Randomized Design (CRD), which consists of 5 treatments and 3 repetitions, which are treatment A (control), treatment B (5 mL/kg), treatment C (10 mL/kg), treatment D (15 mL/kg), and treatment E (20 mL/kg) of feed. The parameter observedS during research is daily growth rate, feed conversion ratio and water quality. The data are analyzed using variance analysis with F test and differences between treatments were tested by Duncan multiple range test with 95% of credential extent, while water quality is analysed descriptively by comparing it to the water quality standard. The result of this result shows that Probiotic replenishment on feed gives effects on the daily growth rate of Nile tilapia juvenils. Probiotic giving on 5 mL/kg concentration, which is treatment B, gives highest result on daily growth rate, which is 2.01% and feed conversion ratio is 1.24%. According to the analysis regression of the optimum growth rate is with 8.57 mL/kg of Probiotic concentration, while for optimum feed conversion ratio is 8.80% mL/kg of concentration.

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