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All Journal Biodiversitas Journal of Biological Diversity
Nurmanita Rismaningsih
Department of Materials Chemistry, Graduate School of Engineering, Nagoya University. Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Nutritional value and growth performance of sea worms (Nereis sp.) fed with Hermetia illucens maggot flour and grated coconut (Cocos nucifera) as natural feed Vivi Endar Herawati; Pinandoyo Pinandoyo; Seto Windarto; Nurmanita Rismaningsih; Putut Har Riyadi; YS Darmanto; Ocky Karna Radjasa
Biodiversitas Journal of Biological Diversity Vol. 21 No. 11 (2020)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d211151

Abstract

Abstract. Herawati VE, Pinandoyo, Windarto S, Rismaningsih N, Riyadi PH, Darmanto YS, Radjasa OK. 2020. Nutritional value and growth performance of sea worms (Nereis sp.) fed with Hermetia illucens maggot flour and grated coconut (Cocos nucifera) as natural feed. Biodiversitas 21: 5431-5437. Sea worms are one of the natural feeds used for shrimp aquaculture. This study aimed to investigate the growth performance and nutritional quality of sea worms (Nereis sp.) fed with Hermetia illucens maggot flour and grated coconut (Cocos nucifera). Nereis sp. individuals were cultured at a density of 100/plastic container for 35 days, and fed twice daily with a feeding rate of 5% of the total body weight. This study used five treatments, i.e.: A. 50% maggot flour and 50% coconut grated, B. 75% maggot flour and 25% coconut grated, C. 25% maggot flour and 75% grated coconut, D. 100% maggot flour, and E. 100% coconut grated. The results showed that the sea worms fed on maggot flour and grated coconut had a significant effect (P < 0.01) on the survival rate (SR), feed conversion rate (FCR), and feed efficiency. Treatment D showed the highest absolute growth value, specific growth rate (SGR), feed efficiency, and SR (0.45 g, 3.25%, 49.23%, and 99.67%). Feeding rate n ranged from 30.50% to 34.67%, and the FCR value ranged from 2.07-2.43%. The highest nutrient contents were observed in treatment D, with 54.05% protein, 22.54% fatty acid, 55.46 ppm methionine, and 10.98% EPA. This result suggested that Nereis sp. fed with 100% maggot flour had the greatest nutritional quality and growth performance.
Effects of Caulerpa lentillifera added into culture media on the growth and nutritional values of Phronima pacifica, a natural fish-feed crustacean Vivi Endar Herawati; Pinandoyo Pinandoyo; Restiana Wisnu Ariati; Nurmanita Rismaningsih; Seto Windarto; Slamet Budi Prayitno; Y.S. Darmanto; Ocky Karna Radjasa
Biodiversitas Journal of Biological Diversity Vol. 22 No. 1 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d220152

Abstract

Abstract. Herawati VE, Pinandoyo, Ariyati RW, Rismaningsih N, Windarto S, Prayitno SB, Darmanto YS, Radjasa OK. 2021. Effects of Caulerpa lentillifera added into culture media on the growth and nutritional values of Phronima pacifica, a natural fish-feed crustacean Biodiversitas 22: 424-431. Phronima pacifica is a microcrustacean commonly used as natural feed in fish farming as it has high nutrient contents and is suitable based on larval fish mouth gap size and mass cultivation capacity. However, P. pacifica is not produced optimally and its supply is inadequate, so that P. pacifica culturing techniques need to be improved. The culture of P. pacifica is mostly done using sea grape seaweed (Caulerpa lentillifera). The aim of this study was to investigate the optimal stocking density of C. lentillifera added into media culture on the growth and nutritional values of P. pacifica. We applied a complete random design experiment with four treatments of stocking density of C. lentillifera (i.e., 0 g/m2 (Control), 20 g/m2, 40 g/m2, and 60 g/m2) with 3 replicates for each treatment. The following parameters were analyzed, namely specific growth rate (SGR) of C. lentillifera, and the growth, biomass, growth rate, proximate analysis, and amino and fatty acid concentrations of P. pacifica. This study found that the addition of C. lentillifera into culture media significantly enhanced the growth of P. pacifica. The highest effect on the growth was observed in the treatment of 60 g/m2 with C. lentillifera SGR value of 4.76 ± 0.12%/day, and P. pacifica growth rate, population density and biomass of 4.41 ± 0.12 ind/day, 53.81 ± 8.79 ind/L, and 1.14 ± 0.14 g, respectively. Similarly, the highest protein and fat contained in P. pacifica was obtained in the treatment of 60 g/m2 with 60.23% protein and 10.24% fat. Furthermore, the highest fatty acid profile was C20: 5n-3 of 13.23% ± 0.08% and amino acid profile of 45.23% ± 0.01%. The application of the optimal stocking density of C. lentillifera in culture media could increase the growth and nutritional quality of P. pacifica which in turn could enhance aquaculture productivity.
Analysis of growth and nutritional quality of sea worms (Nereis virens) as a mass cultured natural feed on different substrate media thicknesses Vivi Endar Herawati; Tita Elfitasari; Nurmanita Rismaningsih; Putut Har Riyadi; Woraporn Tarangkoon; Ocky Radjasa; Seto Windarto
Biodiversitas Journal of Biological Diversity Vol. 22 No. 8 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d220824

Abstract

Abstract. Herwati VE, Elfitasari T, Rismaningsih N, Riyadi PH, Tarangkoon W, Radjasa OK, Windarto S. 2021. Analysis of growth and nutritional quality of sea worms (Nereis virens) as a mass cultured natural feed on different substrate media thicknesses. Biodiversitas 22: 3299-3305. Sea worms (Nereis virens) grow slowly. The thickness of the substrate used in mass culture affects their growth, because N. virens is a deposit feeder that feeds on organic matter provided by other organisms; therefore, the growth rate slows down if the substrate thickness is not suitable. This study aimed to determine and analyze the growth and nutritional quality of N. virens as a natural feed in mass culture at different substrate media thicknesses. This study was conducted at the Marine Science Techno Park (MSTP) UNDIP, Jepara, Central Java. The test animals were two-month-old sea worms, weighing 0.15 to 0.5 g/individual. The maintenance media was the mangrove mud substrate. Feeding was carried out at a fixed feeding rate, twice a day at 07.00 and 19.00 hrs, and the animals were maintained at a density of 45 individuals/L for 35 days. The experimental research method was a completely randomized design with four treatments and three replications: treatment A (media thickness of 4 cm), B (media thickness of 6 cm), C (media thickness of 8 cm), and D (media thickness of 10 cm). The parameters studied were absolute growth, specific growth rate (SGR), efficiency of feed utilization (EFU), feed conversion ratio (FCR), protein efficiency ratio (PER), survival rate (SR), proximate analysis, profile of amino acid and fatty acids. The results showed that the highest absolute weight (6.76 g); SGR (6.34%); EFU (69.73%); FCR (1.36%); PER (1.74%); SR (97.04%); and nutritional quality (55.75% protein, 22.62% fat, 45.66 ppm methionine, and 7.7% eicosapentaenoic acid values were obtained when N. virens was mass-cultured in a medium with a thickness of 8 cm (Treatment C). Thus, the thickness of the media substrate had a significant effect (P < 0.05) on the absolute weight, SGR, EFU, FCR, PER, and SR in N. virens.
Co-Authors Ocky Karna Radjasa Ocky Karna Radjasa Ocky Radjasa PINANDOYO PINANDOYO Pinandoyo Pinandoyo Putut Har Riyadi Putut Har Riyadi Restiana Wisnu Ariati Seto Windarto Seto Windarto Seto Windarto Slamet Budi Prayitno Tita Elfitasari Vivi Endar Herawati Vivi Endar Herawati Vivi Endar Herawati Woraporn Tarangkoon Y.S. Darmanto YS Darmanto