HERAWATI, Vivi Endar and Elfitasari, Tita and Dirgantara, I Made B. and Radjasa, Ocky Karna and WINDARTO, Seto (2022) The effect of using Nereis flour with different percentages on the growth performance and consumption of vannamei shrimp post-larvae. AACL Bioflux, 15 (1). pp. 294-304.

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Abstract

Vannamei shrimp (Litopenaeus vannamei) is a fishery commodity that has high economic value. Nereis virens has potential as shrimp feed due to its high protein, fat, amino acids, and unsaturated fatty acids. This study aimed to determine the growth performance and nutritional quality of fishmeal substituted with N. virens flour and determine the best feed composition for vannamei shrimp post-larvae. This research was conducted at the Marine Science Techno Park (MSTP), UNDIP Jepara, Central Java. The experimental research method was a completely randomized design (CRD), with four treatments and three replications. The treatments used were 0% N. virens flour (A); 25% N. virens flour (B); 30% N. virens flour (C); and 35% N. virens flour (D). The shrimp were fed four times a day, amounting to 20% of their biomass. The data observed were total feed consumption (TFC), relative growth rate (SGR), feed utilization efficiency (FUE), feed conversion ratio (FCR), protein efficiency ratio (PER), survival rate (SR), and nutritional quality of the shrimp. The results showed that the values of feed consumption level (80.5 g), relative growth rate (3.91%), feed utilization efficiency (73.93%), food consumption rate (1.35), protein efficiency ratio (1.72%), and survival rate (100%) were best in the
treatment with fish meal substituted by N. virens flour with 30% (C). Treatment C produced shrimp with 60.23% protein, 11.44% fat, 9.10% methionine and 8.25% EPA. Feeding using 30% N. virens flour (C) had a significant effect (p<0.05) on the TFC, RGR, FUE, FCR, PER, and SR in vannamei shrimp post-larvae.

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