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Alfionita, Wuni
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Aplikasi Teknologi Pakan Mandiri bagi Petani Ikan Air Tawar Gampong Cot Paya, Kecamatan Baitussalam, Kabupaten Aceh Besar Husna, Asmaul; Pradana, Hengki; Ismarica, Ismarica; Mellisa, Siska; Nurfadillah, Nurfadillah; Nuzlia, Cut; Arisa, Iko Imelda; Melanie, Kavinta; Dewi, Cut Dara; Alfionita, Wuni
Jurnal Pengabdian Sosial Vol. 2 No. 9 (2025): Juli
Publisher : PT. Amirul Bangun Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/bymcx923

Abstract

Kegiatan pengabdian kepada Masyarakat ini bertujuan untuk meningkatkan kemandirian dan efisiensi usaha budidaya ikan air tawar melalui pelatihan pembuatan pakan ikan mandiri di Gampong Cot Paya, Kecamatan Baitussalam, Kabupaten Aceh Besar. Permasalahan utama yang dihadapi mitra meliputi tingginya harga pakan komersial, kualitas pakan yang tidak konsisten, serta keterbatasan pengetahuan dalam formulasi pakan. Kegiatan dilaksanakan dalam bentuk penyuluhan, pelatihan teknis, dan pendampingan yang berfokus pada pemanfaatan bahan baku lokal untuk menghasilkan pakan ikan yang terjangkau namun berkualitas. Hasil kegiatan menunjukkan peningkatan signifikan dalam pengetahuan dan keterampilan masyarakat dalam pembuatan pakan, pengurangan ketergantungan terhadap pakan komersial, serta potensi pengembangan usaha pakan lokal. Secara keseluruhan, kegiatan ini berhasil mendukung pemberdayaan ekonomi dan keberlanjutan usaha budidaya ikan di tingkat desa.
Daya Dukung Tambak Udang Vaname (Litopenaeus vannamei) Berdasarkan Parameter Kualitas Air di Desa Purworejo, Kecamatan Pasir Sakti, Kabupaten Lampung Timur Alfionita, Wuni; Larasati, Ellen; Pradana, Hengki; Rahman, Agus Arif; Husna, Asmaul; Riandi, Muhammad; Razi, Nanda Muhammad
Jurnal Ilmiah Samudra Akuatika Vol 9 No 1 (2025): Jurnal Ilmiah Samudra Akuatika
Publisher : Fakultas Pertanian Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jisa.v9i1.11345

Abstract

This study evaluates the carrying capacity of Litopenaeus vannamei ponds based on water quality parameters in Purworejo Village, East Lampung, Indonesia. Water samples were collected from five ponds over a 90-day culture period, measuring physicochemical parameters including temperature, pH, dissolved oxygen (DO), salinity, ammonia, nitrite, and hardness. Results showed temperature ranging from 28 to 31°C, pH 7.5 to 8.2, DO 6.8 mg/L, salinity 15–22 ppt, ammonia 0.02 to 0.07 mg/L, nitrite 0.05 to 0.12 mg/L, and hardness 1,200 to 2,300 mg/L. Most values were within the optimal ranges for vannamei shrimp culture according to FAO and national standards, although DO fluctuations and elevated nitrite levels may constrain stocking density. These findings indicate that the studied ponds remain suitable, with an estimated optimal carrying capacity of 80–100 shrimp/m². This study provides baseline data for water quality management and sustainable stocking strategies in vannamei shrimp aquaculture at Purworejo Village, Pasir Sakti Subdistrict, East Lampung District, East Lampung.
EVALUASI PENGGUNAAN LIMBAH PENDEDERAN IKAN KERAPU BEBEK (Cromileptes altivelis) DENGAN KONSENTRASI BERBEDA SEBAGAI MEDIA KULTUR Spirulina sp. SKALA MENENGAH Larasati, Ellen; Pertiwi, Ris Restu; Hudaidah, Siti; Putri, Berta; Alhafizoh, Fatimah; Alfionita, Wuni; Husna, Asmaul
Jurnal Riset Akuakultur Vol 20, No 2 (2025): Juni (2025)
Publisher : Politeknik Kelautan dan Perikanan Jembrana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jra.20.2.2025.181-194

Abstract

Limbah pendederan ikan kerapu bebek (Cromileptes altivelis), kaya akan nitrogen (N) dan fosfor (P), berpotensi mencemari lingkungan apabila dibuang tanpa pengolahan. Penelitian ini bertujuan menentukan konsentrasi optimal limbah pendederan tersebut sebagai media kultur Spirulina sp. skala menengah. Limbah disaring (filter 25 µm) dan disterilkan menggunakan autoklaf (121°C, 15 menit, 1 atm) pada konsentrasi 10%, 15%, 20% dan 25%. Kultur dilakukan selama 9 hari dalam wadah fiberglass volume 15 L, diinokulasi dengan kepadatan awal 1 x 106 sel mL-1, diaerasi secara terus-menerus, dan diberikan pencahayaan. Rancangan percobaan yang digunakan adalah rancangan acak lengkap (RAL) dengan tiga ulangan untuk mengevaluasi laju pertumbuhan Spirulina sp., penurunan konsentrasi nitrat dan fosfat, serta parameter kualitas air (suhu, salinitas, pH, dan intensitas cahaya). Hasil menunjukkan bahwa perlakuan limbah 20% menghasilkan kepadatan tertinggi (6,43 x 106 sel m L-1) dan efisiensi penurunan konsentrasi nitrat sebesar 96,0% (dari 5,99 ± 0,13 mg L-1 menjadi 0,24 ± 0,05 mg L-1) dan penurunan fosfat sebesar 67,7% (dari 6,66 ± 0,34 mg L-1 menjadi 2,15 ± 0,32 mg L-1). Penelitian ini menunjukkan bahwa limbah pendederan C. altivelis yang disterilisasi efektif digunakan sebagai media kultur Spirulina sp. skala menengah, dengan konsentrasi 20% memberikan hasil pertumbuhan, efisiensi penyerapan nutrien, dan kestabilan kualitas air terbaik, sehingga berpotensi diterapkan sebagai strategi bioremediasi berkelanjutan dalam konsep akuakultur sirkular.Effluent from humpback grouper (Cromileptes altivelis) nursery operations is rich in nitrogen (N) and phosphorus (P), posing a risk of environmental pollution if discharged untreated. This study aimed to determine the optimal concentration of humpback grouper nursery effluent as a rearing medium for Spirulina sp. cultured at an intermediate scale. The effluent was filtered (25 µm) and sterilized using an autoclave (121°C, 15 minutes, 1 atm) at concentrations of 10%, 15%, 20%, and 25%. Spirulina sp. was cultured at an initial density of 1 x 106 cells mL-1 in 15-L fiberglass tanks that were continuously aerated and illuminated for 9 days.  A completely randomized design (CRD) with three replications was used to evaluate the growth rate of Spirulina sp., the reduction of nitrate and phosphate concentrations, and water quality parameters (temperature, salinity, pH, and light intensity). Results showed that the 20% wastewater produced the highest cell density (6.43 × 10⁶ cells mL-1) and achieved a nitrate concentration reduction efficiency of 96.0% (from 5.99 ± 0.13 mg L-1 to 0.24 ± 0.05 mg L-1) and a phosphate reduction of 67.7% (from 6.66 ± 0.34 mg L-1 to 2.15 ± 0.32 mg L-1). This study demonstrated that sterilized effluent from humpback grouper nursery can be used as the rearing medium for Spirulina sp. cultured at an intermediate scale, with a 20% concentration providing optimal growth, nutrient removal efficiency, and stable water quality, thereby supporting its potential use as a sustainable bioremediation and circular aquaculture strategy.
CARRYING CAPACITY OF VANNAME SHRIMP (Litopenaeus vannamei) PONDS IN THE ASPECT OF WATER QUALITY AT PURWOREJO VILLAGE, PASIR SAKTI SUBDISTRICT, EAST LAMPUNG DISTRICT Alfionita, Wuni; Larasati, Ellen; Rahman, Agus Arif; Pradana, Hengki
JURNAL AKUAKULTURA Vol 9, No 2 (2025): JURNAL AKUAKULTURA UNIVERSITAS TEUKU UMAR
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/ja.v9i2.11730

Abstract

The carrying capacity of ponds in vaname shrimp farming is one of the factors supporting the productivity of aquaculture. The purpose of this study was to evaluate the carrying capacity of vaname shrimp ponds in the aspects of water quality to determine efforts to develop vaname shrimp farming based on the carrying capacity of the pond environment. This research was conducted in Purworejo Village, Pasir Sakti District, East Lampung Regency. The research parameters observed included physical, chemical, and biological parameters of water. The results obtained were temperature 29°C, salinity 18.7–19.3 ppt, pH 8.1–8.3, Dissolved Oxygen (DO) 6.0–6.6 mg/l, Total Ammonia Nitrogen (TAN) 0.023–0.083 mg/l, nitrite 0.086–0.149 mg/l, Total Organic Matter (TOM) 63.3–72.3 mg/l, alkalinity 143–165 mg/l, hardness 1860–1933 mg/l, plankton abundance 776 x 103  – 1025 x 103  cell/ml, Total Vibrio Count (TVC) 1.83 x 103  – 2.30 x 103 . The conclusion obtained is that the physical and biological parameters of water quality are in optimal condition for vaname shrimp farming. In chemical parameters, the concentration of TOM exceeds the optimal limit, so it is necessary to do routine flushing and water changes.
Co-Authors Agus Arif Rahman Alhafizoh, Fatimah Asmaul Husna Berta Putri Dewi, Cut Dara Iko imelda arisa, Iko imelda Ismarica, Ismarica Kavinta Melanie Larasati, Ellen Muhammad Riandi, Muhammad Nanda Muhammad Razi Nurfadillah Nurfadillah Nuzlia, Cut Pertiwi, Ris Restu Pradana, Hengki Siska Mellisa Siti Hudaidah