1Program Studi Teknologi dan Manajemen Pembenihan Ikan, Sekolah Vokasi, Institut Pertanian Bogor, Jl. Kumbang No. 14 Bogor 16151, Indonesia, Indonesia
2Tambak H. Khumaidi, Berundung, Kecamatan Ketapang, Kabupaten Lampung Selatan, Provinsi Lampung, Indonesia, Indonesia
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@article{MARJ51097, author = {Andri Iskandar and Yuna Tsani Ichwan Mushthofa and Wiyoto Wiyoto and Lukman Hakim and Ima Kusumanti}, title = {Dinamika Kualitas Air dan Pertumbuhan Udang Vaname Litopenaeus vannamei pada Tambak Semi-Intensif di Lampung Selatan}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {12}, number = {2}, year = {2025}, keywords = {Kinerja produksi; Kualitas air; Pertumbuhan; Tambak udang; Udang vaname}, abstract = {Kualitas air yang buruk dalam budidaya udang vaname Litopenaeus vannamei dapat menurunkan pertumbuhan, meningkatkan risiko penyakit, dan menyebabkan kematian massal. Penelitian ini bertujuan mengevaluasi dinamika kualitas air dan kinerja produksi udang vaname di tambak semi-intensif di Lampung Selatan pada periode September–Desember 2024. Pemeliharaan dilakukan selama 103 hari pada dua kolam (C6 dan C7) berukuran 2.500 m² dengan padat tebar 67 ekor/m². Pengukuran kualitas air dilakukan secara in situ tiga kali sehari (suhu, pH, DO, salinitas, kecerahan) dan ex situ setiap tujuh hari (alkalinitas, amonia, nitrit, fosfat, Total Organic Matter/TOM, plankton, dan Vibrio). Parameter pertumbuhan diamati mingguan melalui pengukuran Average Body Weight (ABW), Average Daily Gain (ADG), Specific Growth Rate (SGR), Survival Rate (SR), dan Food Conversion Ratio (FCR). Data dianalisis secara deskriptif dan disajikan dalam bentuk tabel dan grafik. Hasil penelitian menunjukkan suhu stabil pada kisaran 28–31°C dan pH 7,1–8,7. Kadar DO berfluktuasi 1,7–7,9 mg/L, sedangkan salinitas kolam C6 (22–31 g/L) lebih tinggi dibanding C7 (16–22 g/L). Alkalinitas berada pada kisaran 92–180 mg/L, dengan peningkatan signifikan TOM, amonia, nitrit, dan fosfat pada DOC 43–50. Total plankton dan Vibrio berfluktuasi serupa, dengan dominasi Vibrio kuning di akhir pemeliharaan. Kedua kolam mengalami infeksi Acute Hepatopancreatic Necrosis Disease (AHPND). Kinerja produksi menunjukkan ADG 0,30–0,31 g/hari, SGR 2,74–2,97%/hari, SR rendah (35,83–51,43%), dan FCR tinggi (1,80–1,88). Temuan ini menegaskan pentingnya pengelolaan kualitas air yang konsisten untuk mencegah stres dan penyakit dalam sistem budidaya udang semi-intensif.}, issn = {2721-6233}, pages = {102--114} doi = {10.14710/marj.v12i2.51097}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/51097} }
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