Pengaruh Perbedaan Padat Tebar terhadap Performa Pertumbuhan Ikan Patin (Pangasionodon hypophthalmus) dan Kualitas air, pada Media Pemeliharaan Sistem Zero Exchange Water
Abstract
Penelitian ini bertujuan untuk mengetahui pengaruh perbedaaan padat tebar benih patin pada media pemeliharaan sistem zero exchange water yang ditambahkan probiotik Bacillussp ,terhadap pertumbuhan, profil kualitas air serta sintasan benih ikan patin. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan satu kontrol (padat tebar 1350 ekor per-bak terpal) serta dua perlakuan yang terdiri padat tebar 800 ekor per bak terpal serta 1100 ekor per-bak terpal. Tingkat pertumbuhan harian bobot (%) menunjukkan hasil berbeda nyata antara kontrol dengan perlakuan, namun tidak berbeda nyata antar perlakuan 1 dan 2. Nilai pertumbuhan harian bobot (%) untuk kontrol, perlakuan 1 dan perlakuan 2 berturut-turut adalah 0,14 ± 0,01a, 0,18 ± 0,01 b, dan 0,19 ± 0,01 b. Nilai sintasan menunjukkan nilai antara 85,26 – 93,85 %. Parameter. kualitas air yang terdiri dari DO, suhu serta pH pada semua perlakuan selama masa pemeliharaan masih berada dalam kisaran toleransi ikan uji.
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