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All Journal BULETIN OSEANOGRAFI MARINA Prosiding Seminar Nasional MIPA Journal of Marine Research JFMR (Journal of Fisheries and Marine Research) Biosaintifika: Journal of Biology & Biology Education Journal of Tropical Marine Science Jurnal ENMAP QISTINA: Jurnal Multidisiplin Indonesia Jurnal Multidisipliner Kapalamada Jurnal Perikanan Advances in Tropical Biodiversity and Environmental Sciences
Gede Iwan Setiabudi
Universitas Pendidikan Ganesha
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ANALISIS ISI PERUT IKAN NILA (OREOCHROMIS NILOTICUS) DI KERAMBA JARING APUNG (KJA) DANAU BATUR, BALI Saraswati, Ni Komang Lina Tetri; Setiabudi, Gede Iwan; Fain, Hamdanul
Jurnal Multidisipliner Kapalamada Vol. 5 No. 01 (2026): JURNAL MULTIDISIPLINER KAPALAMADA
Publisher : Pusat Studi Ekonomi, Publikasi Ilmiah dan Pengembangan SDM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62668/kapalamada.v5i01.2286

Abstract

This study aims to identify feed composition and analyze the Frequency of Occurrence (FO) of both natural and artificial feed in the digestive tract of Nile tilapia. The research employed a quantitative descr iptive approach with purposive sampling techniques, in which 40 fish (150–300 g) were collected from four geographical locations (North, South, East, and West). The digestive tract contents were preserved using 4% formalin and identified using a binocular microscope (10×–40× magnification). The results revealed a broad dietary spectrum consisting of 20 taxa, dominated by Bacillariophyceae, Chlorophyceae, Zygnematophyceae, Cyanobacteria, and Zooplankton. Four taxa exhibit ted an absolute FO value of 100%: Nitzschia sp., Chlorella sp., Microcy stis sp., and Brachionus sp., while pellet fragments showed a relatively low FO value of only 10%. The presence of periphytic organisms (Epithe mia sp., Navicula sp.) and benthic mites (Hydrachnidia sp.) indicates active grazing behavior of fish on the floating net cage structures. The consistent presence of Microcystis sp. acts as a bioindicator of eutrophic ation in Danau Batur. Concludes that Nile tilapia cultured in floating net cages still significantly utilize natural feed resources, thereby providing opportunities to improve the efficiency of artificial feeding management.
Co-Authors Alexander Korinus Marantika Alexander Regio Widarto Ampou, E. Elvan Bagus Arya Yoga Bharata, Ida Billy Andri Agrifa Barus Darma, Kadek Yogi Anugerah Prawira Dewa Made Atmaja Dewi Wulandari Dietriech G. Bengen Dietriech Geoffrey Bengen E. Elvan Ampou Fain, Hamdanul Gede Merta Gigih Satria Wibawa Gressty Sari Br Sitepu Gressty Sari Br Sitepu Gusti Ngurah Permana Gusti Ngurah Permana Hamdanul Fain Hefni Effendi Hutapea, Krisna Meilani Mararta I Gede Wahyu Permana I Made Gunamantha I Made Merdana I Made Oka Riawan I Nyoman Dodik Prasetia I Nyoman Dodik Prasetia I Nyoman Suardana I Nyoman Surana I Putu Mangku Mariasa I Putu Mangku Mariasa Ibnu Rusdi Ibnu Rusdi Ida Bagus Jelantik Swasta Indah Mastuti Indah Mastuti Jasmine Masyitha Amelia Kadek Leni Widiartini Kadek Lila Antara Kadek Lila Antara Kadek Teguh Wirasastra Ketut Mahardika Ketut Mahardika Ketut Mahardika Ketut Mahardika Khairiyah, Rizky Aldi Zulfaizi Made Dwipa Kusuma Maharani Maria Niken Tri Ubaya Sakti Mariasa, I Putu Mangku Mastuti, Indah Merta, Gede Meutia Samira Ismet Ni Putu Nadya Susanti Nike Mustika Sari Nuryani Wigdati Ocky Karna Radjasa Ocky Karna Radjasa Pranata, Andi Welly Wiliandhana Putu Herdi Putrawan Putu Indra Christiawan Rizky Aldi Zulfaizi Khairiyah Sakti, Maria Niken Tri Ubaya Saraswati, Ni Komang Lina Tetri Sari, Gressty Sari, Susi Puspita Surana, I Nyoman Susi Puspita Sari Wibawa, Gigih Satria Wigdati, Nuryani