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This study was purposed to determine the optimal dose addition of potassium diformate to commercial feed to increase the growth of giant freshwater shrimp. The method employed in this study was an experimental method, embracing application of a Randomized Block Design (RBD) method. It consists of four treatments and four replications. The treatments was based on the difference of potassium diformate amount in which given to giant freshwater shrimp. The difference of potassium diformate amount was 0% (control), 1%, 3%, and 5%. The sample of study used giant freshwater shrimp with a length of 4 6 cm. The samples were obtained from the Giant freshwater Shrimp Breeding Center, Pamarican, West Java Province. The shrimp were kept in 16 nets in a density of 20 shrimps and the size of the net cage is about 1 m 3 . The parameters Original Research Article Nugraha et al.; AJFAR, 8(3): 9-16, 2020; Article no.AJFAR.59573 10 observed in this research were daily growth rate, feed efficiency, the relation between length and weight, survival rate (analyzed using ANOVA with p < 0,05), and water quality. The sampling was made every 10 days. The results showed that the addition of potassium diformate by 1% gave the best result of daily growth rate of 1.86% ± 0.60, feed efficiency value of 19% ± 1.91, survival rate of 92% with net profit Rp. 67.160.and for the length and weight relationship has a value of b> 3 which means that it has positive allometry along with water quality parameters regarded to SNI (Indonesian national standard).

asian journal of fisheries and aquatic research

Effects of Dietary Potassium Diformate on Growth Performance, the Relationship between Fish Length and Weight, Feed Conversion and Survival Rate of Giant Freshwater Shrimp (Macrobrachium rosenbergii)