Author(s): Alfian Adi Prakoso, Joko Suprapto and Dan Subandiyono

Abstract: Banana shrimp is an economically valuable fishery commodity. Shrimp farming activities use artificial feed as a source of nutrition. The quality of artificial feed can be assessed from protein and energy content. Feeds with protein levels that are too high result in production costs to swell and potentially pollute the environment. Based on several studies, shrimp can be fed relatively lower feed with an energy-protein balance ratio. Based on these descriptions, research is needed to get the optimal protein and energy-protein ratio for the growth of shrimp. The purpose of this study was to determine the effect of protein content and the level of energy-protein feed ratio on the growth of banana shrimp. The study used laboratory experimental methods with a completely randomized design (CRD) factorial pattern. The treatment consisted of two factors, namely protein content (25%; 30%; 35%; 40%) and energy-protein ratio (8.5 kcal/g and 9.5 kcal/g), then control using commercial feed with levels protein 40% with an energy-protein ratio of 8.5 kcal/g. During the study, collected data were on weights, mortality, leftover feed, shrimp body proximate, and faeces. The data was used to calculate the feed consumption level (FCL), protein efficiency ratio (PER), protein digestibility, protein retention, energy digestibility, energy retention, food conversion ratio (FCR), survival rate (SR), and relative growth rate (RGR). The results showed that the best PER, protein digestibility, protein retention, and RGR values ​​were found in the treatment of protein 35% energy-protein ratio 8.5 kcal/g, while the best feed consumption level value, energy digestibility, and survival rate were found in the protein treatment 40% ratio energy-protein 9.5 kcal/g. Based on the regression analysis, the optimal treatment was the energy ratio of 8.5 kcal/g with a protein content of 34.4%.

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