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All Journal NIKe Jurnal Ilmiah Perikanan dan Kelautan | Fisheries and Marine Scientific Journal JURNAL SAINS DAN TEKNOLOGI PERIKANAN (JIKAN)
Puluhulawa, Riska
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering Environmental Science Social Sciences

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Oxygen Consumption Rate dan Growth of Koi Fish (Cyprinus rubrofuscus) Cultured in Recirculation System with Different Filter Media Puluhulawa, Riska
Jurnal Sains dan Teknologi Perikanan Vol 5 No 1 (2025): APRIL
Publisher : Fisheries Science Study Program, Faculty of Science and Technology, Muhammadiyah University of Sidenreng Rappang.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55678/jikan.v5i1.1981

Abstract

This study aimed to analyze the effect of different filtration media in a recirculating aquaculture system (RAS) on the oxygen consumption rate and growth performance of koi fish (Cyprinus rubrofuscus). The RAS was selected to maintain optimal water quality under intensive aquaculture conditions. The experiment was conducted over 30 days using a completely randomized design with four treatments: no filter (control), synthetic fiber, zeolite, and activated carbon, each with three replications. Observed parameters included oxygen consumption rate, specific growth rate (SGR), absolute growth rate in weight and length, and survival rate (SR). The results showed that the use of activated carbon provided the best performance in stabilizing oxygen consumption rate (final value of 0.34 mgO₂/g/jam) and produced the highest SGR (0.485%/day). Treatments with activated carbon and synthetic fiber also achieved the highest survival rates (98.33%). The use of filtration media in RAS significantly improved water quality, supported fish metabolism, and promoted optimal growth and survival of koi fish.
Efektivitas Media Filter yang Berbeda Terhadap Kualitas Air Benih Ikan Koi (Cyprinus carpio) dengan Sistem Resirkulasi Puluhulawa, Riska; Koniyo, Yuniarti; Lamadi, Arafik
The NIKe Journal VOLUME 10 ISSUE 4 | DECEMBER 2022
Publisher : Fakultas Kelautan dan Teknologi Perikanan - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v10i4.1283

Abstract

Tujuan penelitian untuk mengetahui pengaruh penggunaan media filter yang berbeda terhadap kualitas air dan media filter yang paling efektif dalam menjaga stabilitas kualitas air benih ikan koi (Cyprinus carpio) dengan sistem resirkulasi. Metode yang digunakan adalah metode eksperimen dengan menggunakan Rancangan Acak Lengkap (RAL), dengan 4 perlakuan dan 3 ulangan, yaitu perlakuan A (dakron), perlakuan B (zeolit), perlakuan C (karbon aktif), perlakuan D (kontrol). Parameter yang diamati suhu, pH, oksigen terlarut (DO), nitrat (NO3), nitrit (NO2) dan amoniak (NH3). Hasil Analisis Sidik Ragam (ANOVA) menunjukkan bahwa media filter yang berbeda berpengaruh sangat nyata terhadap suhu, pH dan oksigen terlarut DO, namun tidak berpengaruh nyata terhadap nitrat (NO3), nitrit (NO2) dan amoniak (NH3). Media filter yang paling efektif dalam menjaga stabilitas oksigen terlarut (DO) benih ikan koi (Cyprinus carpio) dengan sistem resirkulasi adalah dakron (perlakuan A), sedangkan zeolit (perlakuan B) yang paling efektif dalam menjaga stabilitas suhu air benih ikan koi (Cyprinus carpio) dengan sistem resirkulasi.
Co-Authors Arafik Lamadi Yuniarti Koniyo