ABSTRACT The research was conducted on December 2019 to February 2020 at freshwater aquaculture center, Rumbai, Pekanbaru. The purpose of this research was to know the use of fermented papaya leaf meal in the diets on the carp seed. Completely Randomized Design (CDR) was used in this experiment, with one factor, 5 level treatments and 3 rep1lication. Fish was reared in 1 m³ cages with stocki…