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All Journal Kontribusia : Research Dissemination for Community Development Jurnal Perikanan Pantura
Aminin Aminin
Muhammadiyah University of Gresik
Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Environmental Science Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Mass Production and Growth Performance of Spirulina on Salinity Reduction Aminin Aminin; Andi Rahmad Rahim; Nur Maulida Safitri
Kontribusia : Research Dissemination for Community Development Vol 4 No 1 (2021): Kontribusia (Research Dissemination for Community Development)
Publisher : OJS Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.937 KB) | DOI: 10.30587/kontribusia.v4i1.1580

Abstract

Abstract: Spirulina, multicellular and filamentous cyanobacterium, has already known for its bioactivities as functional food and fishes diets. In this study, mass production of Spirulina was demonstrated in modified salinity for 25 days. The aims of this study was to determine the best salinity to obtain optimal growth rate of Spirulina. The cultivation method were small to large-scale and evaluated the water quality. Results showed that salinity reduction influence algal biomass. Spirulina’s density was 41.8x103 cells ml-1 in 15 ppt; 81x103 cells ml-1 in 20 ppt; 145x103 cells ml-1 in 23 ppt; 160x103 cells ml-1 in 25 ppt; and 270x103 cells ml-1. After cultivated in large-scale production, the most efficient treatment was 20 ppt with the cells density 510x103 cells ml-1 in 23th day in salinity 20 ppt. The results suggest that mass-produced Spirulina can be characterized using modificated salinity technique.
OPTIMASI SISTEM BUDIDAYA POLIKULTUR DENGAN PENENTUAN KOMPOSISI ORGANISME YANG BERBEDA ANTARA BANDENG (C. chanos), UDANG VANAME (L. vannamei), DAN RUMPUT LAUT (G. verucoss) Baedlowi Baedlowi; Andi Rahmad Rahim; Aminin Aminin
Jurnal Perikanan Pantura (JPP) Vol 3 No 2 (2020): SEPTEMBER 2020
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jpp.v3i2.1952

Abstract

The application of polyculture cultivation techniques is expected to increase the carrying capacity of farmland in certain circumstances, where production growth will remain stable. In this study, to be cultivated with a polyculture system are bandeng (C. chanos), shrimp vaname (L. vannamei), and seaweed G. verucossa. The increase in productivity of ponds (optimization) can be seen by the increase in fish production related to solid spread in cultivation media. The priority of this study is to examine the difference in density of bandeng, shrimp and seaweed in the polyculture system. The design in this study is to use complete randomized design (RAL) with 3 treatments, each treatment has 3 replays so there are 9 experimental units. The variables observed are absolute weight and Specific Growth Rate (SGR). The results of this study show that the determination of the composition of different organisms in the polyculture system gives a real influence on absolute weight and SGR with the best treatment for absolute weight is treatment A (density of shrimp and bandeng 10 tails/m2, 250 g/m2 seaweed) is 40.73 g, and the best treatment for SGR is treatment A (shrimp density and bandeng 10 tails/m2, seaweed 250 g/m2) of 1.15 %BB/Day.
Co-Authors Andi Rahmad Rahim Baedlowi Baedlowi Nur Maulida Safitri