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Nurhatijah Nurhatijah
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PERTUMBUHAN IKAN NILA NIRWANA (Oreochromis niloticus) PADA SISTEM BIOFLOK DENGAN SUMBER KARBON EKSTERNAL DARI TEPUNG SORGUM MANIS (Sorghum bicolor) Nurhatijah Nurhatijah; Mulyanti Mulyanti; Endiyani Endiyani; Ahmad Supriatna
Jurnal Akuakultur Rawa Indonesia Vol 10, No 1 (2022): JURNAL AKUAKULTUR RAWA INDONESIA
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jari.v10i1.16851

Abstract

Biofloc technology (BFT) is an alternative that can be used to provide additional feed source in addition to control and improve water quality for aquaculture. BFT can be done by adding an organic carbon source to increase the C/N ratio in  the culture media to stimulate the growth of heterotrophic bacteria. The results of the observation were that the highest specific growth rate was obtained in treatment B (5ml floc) with an average value of 2.80 grams/day. The highest average length value in treatment B (5ml floc) reached 10.26 cm. The highest survival rate was in treatment B (5ml floc) with an average value of 86.78%. The highest efficiency value was found in treatment B (5ml floc) with an average of 95.90%. Based on Duncan's further test (p<0.05) the application of biofloc with an external carbon source from sweet sorghum had a significant effect on the specific growth rate, absolute growth, survival rate and feed efficiency of tilapia fry. Keywords : Biofloc; Sweet Sorghum; Tilapia Nirwana ; Aquacukture
PENGARUH PEMBERIAN SUMBER NUTRIEN BERBEDA PADA MEDIA KULTUR TERHADAP KEPADATAN POPULASI DAN LAJU PERTUMBUHAN Daphnia sp. Dini Islama; Nurhatijah Nurhatijah; Muhammad Muntadhar; Muhammad Fadhli
JURNAL AKUAKULTURA Vol 2, No 2 (2018): Jurnal Akuakultura Universitas Teuku Umar
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (402.307 KB) | DOI: 10.35308/ja.v2i2.1591

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian sumber nutrien berbeda pada media kultur terhadap kepadatan populasi dan laju pertumbuhan Daphnia sp. Rancangan percobaan yang digunakan adalah rancangan acak lengkap non faktorial dengan tiga perlakuan dan lima kali ulangan. Perlakuan yang diteliti adalah kultur Daphnia sp. dengan pemberian air endapan dedak fermentasi pada media (A), kultur Daphnia sp. dengan pemberian air endapan kotoran ayam pada media (B) dan kultur Daphnia sp. dengan pemberian bakteri merah pada media (C). Padat tebar awal Dahpnia sp. pada masing-masing wadah adalah 100 ind/l. Masa pemeliharaan Daphnia sp. berlangsung selama 20 hari. Hasil penelitian menunjukkan bahwa pemberian sumber nutrien berbeda pada media kultur berpengaruh nyata terhadap kepadatan populasi dan laju pertumbuhan Daphnia sp. Kepadatan populasi dan laju pertumbuhan Daphnia sp. tertinggi diperoleh pada perlakuan pemberian bakteri merah dalam media kultur (C) yaitu 1271.8 ind/l dan 0,14 ind/l/hari.
Co-Authors Ahmad Supriatna Dini Islama Endiyani Endiyani Muhammad Fadhli Muhammad Muntadhar Mulyanti Mulyanti