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Ujang Subhan
Fakultas Perikanan Dan Ilmu Kelautan, Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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Optimizing Red Tilapia Juvenile (Oreochromis niloticus) Nursery in Recirculating Aquaculture with Ultrafine Bubbles System at Variable Stocking Densities Subhan, Ujang; Meisani, Isni; Afriza, Azka Reyza; Nuruhwati, Isni; Grandiosa, Roffi; Al Mujahid, Muhammad Abdul Aziz
Jurnal Perikanan Universitas Gadjah Mada Vol 27, No 2 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.107148

Abstract

The increased demand for red tilapia (Oreochromis niloticus) production requires a sufficient supply of high-quality juveniles. Technological innovation is crucial for developing quantifiable, highly productive, efficient, environmentally sustainable, and ecologically sound juvenile production systems. This study aimed to analyse the effect of high stocking density on the growth performance of red tilapia juveniles cultured using ultrafine bubble technology in a recirculating aquaculture system (UFBs-RAS). A completely randomised experimental design was used with four stocking density treatments: one control treatment (4 fish/L with aeration) and three treatments under the UFBs-RAS system at 4, 6, and 8 fish/L densities. Each treatment was replicated four times. The juvenile red tilapia used in this study had an average initial total length of 4.34 ± 0.23 cm and a weight of 1.47 ± 0.31 g. They were obtained from fishpond research at the FINDER UCoE Experimental Station, Universitas Padjadjaran. The findings indicated that UFBs-RAS facilitated optimal production performance, even at the maximum stocking density of 8 fish per liter. The performance metrics comprised a survival rate of 98.75%, a specific growth rate in weight of 4.93 ± 0.062%/d, a specific growth rate in length of 3.88 ± 0.05%/d, a protein efficiency ratio of 2.48 ± 0.02, a feed conversion efficiency of 96.5 ± 0.58%, and a coefficient of variation of 33.7 ± 1.2%. These data validate that incorporating UFBs-RAS is a viable and efficient method to improve the quality and productivity of red tilapia juveniles.
Pengaruh Padat Tebar Terhadap Performa Ikan Koi (Cyprinus rubrofuscus) dan Produktivitas Tanaman Kangkung (Ipomoea reptans) pada Sistem Akuaponik dengan Aplikasi Fine Bubbles (FBs) Andriani, Yuli; Zidni, Irfan; Subhan, Ujang; Iskandar, Iskandar; Darmawan, Reza; Nugraha, Zidan Fachriza Adya
Jurnal Agrikultura Vol 36, No 3 (2025): Desember, 2025
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrikultura.v36i3.67880

Abstract

Peningkatan produksi ikan koi menuntut sistem produksi yang efisien, ramah lingkungan, serta mampu menjaga kualitas air. Sistem akuaponik yang dikombinasikan teknologi Fine Bubbles (FBs) berpotensi meningkatkan konsentrasi oksigen terlarut dan menekan akumulasi limbah nitrogen, serta dapat meningkatkan produktivitas tanaman, khususnya pada kondisi padat tebar tinggi. Penelitian ini bertujuan untuk menentukan kepadatan optimum ikan yang dapat meningkatkan performa pertumbuhan dan produktivitas tanaman kangkung pada sistem akuaponik menggunakan teknologi FBs. Penelitian dilaksanakan pada bulan Oktober sampai Desember 2024 di greenhouse Ciparanje, Fakultas Perikanan dan Ilmu Kelautan, Universitas Padjadjaran. Metode yang digunakan adalah metode eksperimental Rancangan Acak Lengkap (RAL) dengan empat perlakuan padat tebar, yaitu 25, 50, 75, dan 100 ekor/200 L air dengan tiga ulangan selama 42 hari pemeliharaan. Hasil penelitian menunjukkan bahwa padat tebar 75 ekor/200 L air menghasilkan performa terbaik dengan tingkat kelangsungan hidup sebesar 90,67±5,81%, laju pertumbuhan spesifik 1,54% g/hari, efisiensi pemanfaatan pakan 49,68%, rasio efisiensi protein 1,12±0,13%, serta kondisi hematologi yang relatif optimal. Produktivitas tanaman kangkung tertinggi ditunjukkan oleh tinggi tanaman mencapai 38,7±1,7 cm dan bobot tanaman 11,5±1,0 g. Kualitas air selama penelitian berada pada kisaran yang masih mendukung pertumbuhan ikan dan tanaman. Dengan demikian, perbedaan padat tebar ikan koi pada sistem akuaponik dengan aplikasi FBs berpengaruh nyata terhadap performa pertumbuhan ikan koi, kesehatan ikan koi, dan produktivitas kangkung, dengan padat tebar optimum pada 75 ekor/200 L air.
Analisis Hubungan Karakteristik Sosial Ekonomi Pembudidaya Terhadap Produktivitas Budidaya Ikan Hias di Kota Cimahi Vira Azhari Yulisa; Asep Agus Handaka; Ujang Subhan; Atikah Nurhayati
Jurnal Galung Tropika Vol 14 No 1 (2025)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v14i1.1247

Abstract

Cimahi City is one of the administrative areas in West Java with the potential for ornamental fish production businesses. Increasing ornamental fish productivity is necessary to increase income and the community's economy in Cimahi City. This study aims to describe the socio-economic characteristics and profiles of fish farmers and to analyze the socio-economic correlation of farmers to the level of productivity of ornamental fish farming businesses. This study uses a survey method by administering questionnaires as a data collection tool. The data obtained were tabulated and analyzed using the Spearman Rank Correlation test with the help of software in the form of SPSS version 23 for Windows. The social and economic parameters observed were age, gender, education, experience, social organization, and income. The results of the correlation analysis showed that the experience variable and the social organization variable influenced productivity. Experience and social organization have a positive relationship direction with a moderate category on productivity with values ??of 0.462 and 0.373. Thus, farmers' high experience and social organization will impact the productivity of ornamental fish farming businesses.
The Effect Of Stocking Density On The Growth Of Sangkuriang Catfish (Clarias gariepinus) In The Bucket Fish Cultivation System (BUDIKDAMBER) Muhamad Diaz Ilyasa; Yuli Andriani; Zahidah Zahidah; Ujang Subhan
Jurnal Media Akuakultur Indonesia Vol 5 No 4 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mapqkr66

Abstract

Sangkuriang catfish (Clarias gariepinus) is one of the most commonly cultivated freshwater fish species in Indonesia. The high production of catfish is largely due to the efforts of fish farmers who are able to produce sufficient quantities to meet the increasing consumption demand. One of the aquaculture methods used is the BUDIKDAMBER system, which involves fish farming in buckets with high stocking densities. This study employed an experimental method using a Completely Randomized Design (CRD) consisting of 3 stocking density treatments with 4 replications: A (1 fish/liter), B (2 fish/liter), and C (3 fish/liter) for a period of 30 days. The fish were kept in buckets prepared for the budikdamber activity, with stocking densities adjusted according to each treatment, and were fed three times a day. Water quality was monitored every 3 days. The results of the study showed that up to a density of 3 fish/liter of Sangkuriang catfish fingerlings, there was no significant difference among the different stocking density treatments, and all treatments still demonstrated good performance. The best treatment was found in treatment C (3 fish/liter), with a survival rate of 77.25%, a feed conversion ratio (FCR) of 0.67, and a specific growth rate (SGR) of 3.28%.
POTENTIAL OF ORNAMENTAL FISH CULTIVATION IN AQUAPONIC SYSTEMS (LITERATURE REVIEW) Zidan Fachriza Adya Nugraha; Yuli Andriani; Ujang Subhan; Irfan Zidni
Vol 15 No 1 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i1.1379

Abstract

Indonesia ornamental fish industry is experiencing increasing popularity, demonstrated by a 1.99% rise in production in the first quarter of 2024 compared to the first quarter of 2023. The intensive fish farming system is a method that applies high density and provides artificial feed that has high protein to support optimal fish growth. Aquaponics is a cultivation system that can save water usage by up to 97% compared to conventional methods. This system also maintains water quality through synergistic interactions between fish and plants, creating a more productive environment. The purpose of this study was to determine the potential of various ornamental fish that can be cultivated in the aquaponic system. Based on the results obtained regarding ornamental fish cultivated in the aquaponic system, there are several types of ornamental fish that have been cultivated such as goldfish, koi fish and comet fish. The aquaponic system can also increase the growth value of length and weight, daily growth rate and survival rate of ornamental fish by 90% - 100%.
Co-Authors Abi Muhamad Abdillah Afriza, Azka Reyza Aisyah Aisyah Al Mujahid, Muhammad Abdul Aziz Andry Tri Hermawan Ardhardiansyah - Asri Ulfah Lathifah Atikah Nurhayati Aufa, Muhammad Azri Ayi Yustiati Camellia Panatarani Darmawan, Mochamad Reza Darmawan, Reza Dermawan, Rifai Eddy Afrianto Elisah Fiyanih Emma Rochima Faisal Rizki Hadi Fenta Aquarista Fuaddin, Taufiq Gemilang Lara Utama Gilang Kesuma Mulyadi Gumay, Nadia Purnamasari Handaka, Asep Agus Hardiono Tondang Heti Herawati I Made Joni Ibnu Bangkit Biosina Suryadi Ibnu Bangkit Biosina Suryadi Ibnu Dwi Buwono Indah Riyantini Ine Maulina Irfan Zidni Irmasari - Iskandar - Iskandar - Iskandar - Iskandar Iskandar Iskandar Iskandar Iskandar Iskandar Iwang Gumilar Kiki Haetami Kosasih, Henry Putra Kurniawati - Lathifah, Asri Ulfah Lathifah, Asri Ulfah Lintang Permata Sari Yuliadi M. Untung Kurnia Agung Mansyur Mansyur Marchelin, Shefia Mega Fatimah Rosana Meisani, Isni Mia Miranti Rustama Mochamad Rhandika Jayalaksana Muhamad Diaz Ilyasa Muhamad Rakhman Firdaus Nugraha, Zidan Fachriza Adya Nuruhwati, Isni Perdana Putra Kelana Pratiwi Dinda Mutianugrah R. Mochamad Candra Wirawan Arief Rangga Bayu Kusuma Haris Rico ‎Rico Rita Rostika Rocella - Viernanda Roffi Grandiosa Roffi Grandiosa Roffi Grandiosa Herman Rosidah - Rosidah - - Rosidah Rosidah Rufi'i Rusky Intan Pratama Ruth Mawar Ryan Adhitia Muslim Shefia Marchelin Sukarman, Irwa Sukma bin Vira Azhari Yulisa W. Gunawan Walim Lili Yayat Dhahiyat Yudi Nurul Ihsan Yuli Andriani Yuli Andriani Yuli Andriani Yuniar Mulyani Zahidah Zahidah Zahidah Zahidah, Zahidah Zahidah, , Zidan Fachriza Adya Nugraha Zidni, Irfan