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All Journal EKSAKTA: Journal of Sciences and Data Analysis Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan Microbiology Indonesia Jurnal Ilmu dan Teknologi Hasil Ternak Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Jurnal Biosains Pascasarjana Jurnal Aplikasi Teknologi Pangan CARADDE: Jurnal Pengabdian Kepada Masyarakat Jurnal Agercolere Kumawula: Jurnal Pengabdian Kepada Masyarakat
Gemilang Lara Utama
Department Of Food Industrial Technology, Padjadjaran University, Jatinangor Jalan Raya Bandung-Sumedang Km. 21, Jatinangor, Sumedang 40600, Indonesia
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Utilization of Tofu Wastewater as a Fish Supplement: Impact on Fish and Economic Analysis Aufa, Muhammad Azri; Utama, Gemilang Lara; Mansyur, Mansyur; Subhan, Ujang; Sukarman, Irwa Sukma bin
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 3 (2025): November 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i3.950-963

Abstract

Tofu liquid waste produced by the tofu industry in rural areas is often not reprocessed and has the potential to cause pollution if left untreated, so it is necessary to utilize tofu liquid waste which is the main idea in this research. The aim of this research is to analyze the potential for utilizing tofu liquid waste into fish supplements through the fermentation process with EM4 and Nitrobacter Plus and analyzing the economic and environmental benefits of utilizing tofu liquid waste into fish supplements. This research was conducted using an experimental method using a Completely Randomized Design (CRD) with 4 treatments and 3 replications. This research result showed that the provision of fish supplements from fermented tofu liquid waste has no significant effect on absolute weight growth, absolute length growth, specific growth rate, feed conversion ratio and survival rate. Based on the results of the economic analysis, the utilization of tofu liquid waste as a fish supplement was considered economically feasible with a Benefit Cost Ratio (BCR) of 1.285, Net Present Value (NPV) of Rp. 16,320,630,763 and Return on Investment (ROI) of 48.4%.
Co-Authors Aji Saputra, Aji Aufa, Muhammad Azri Dadan Sumiarsa Dede Mulyanto Elazmanawati Lembong Endah Wulandari Fakhira, Anisa Muthia Fefria Tanbar Firdawati, Nurul Heni Radiani Arifin Indira Lanti Kayaputri Indri Wulandari, Indri Jeri Nobia Purnama Khristian, Erick Mansyur Mansyur Meiri Triani Mohamad Djali MUTIARA NABILA Nur Cahyo Oekan Soekotjo Abdoellah Ratu Safitri Roostita L Balia Ruly Sitanggang Sukarman, Irwa Sukma bin sunardi sunardi Suparman, Yusep Syifa Khairunnisa Tita Rialita Tubagus Benito Ahmad Kurnadi Ujang Subhan