Abstract
T he specific objective of this study was to determine the growth and feed efficiency in tilapia ( Oreochromis niloticus ) fed artificial diets based kiambang that has been fermented with Rhyzopus oryzae. This research are done in May and November 2014, using a completely randomized design. Treatments are different stocking density is 50 individual / m2 (A), 75 individual / m2 (B), and 100 individual / m2 (C). The results showed: the highest relative growth rate in treatment C for 898,0g / individual, followed by treatment B for 679,25g / individual and A of 455,83g / individual. Feed efficiency ranged between 89.65% - 90.26%. The survival rate of tilapia during the maintenance period is 100%. Results of water quality analysis showed decent range for the life of tilapia where the temperature ranges from 26 ° C - 28 ° C, the degree of acidity (pH) ranged from 7.10 to 7.27, and dissolved oxygen (DO) ranged from 3.5 to 4.1 mg / l.
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