Pengaruh Substitusi Tepung Ikan Dengan Tepung Daging Dan Tulang Terhadap Pertumbuhan Patin (Pangasius sp.)
Abstract
Tepung daging dan tulang (TDT) merupakan hasil dari limbah pabrik pengolahan daging ayam yang berpotensi menjadi bahan baku alternatif pakan ikan. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan TDT sebagai bahan baku pakan terhadap pertumbuhan patin (Pangasius sp.). Metode percobaan menggunakan rancangan acak lengkap (RAL) dengan 5 perlakuan berupa substitusi tepung ikan (TI) dan TDT dalam beberapa proporsi dan setiap perlakuan diulang 3 kali. Pakan A (25% TI + 5% TDT), pakan B (20% TI + 10% TDT), pakan C (15% TI + 15% TDT), pakan D (10% TI + 20% TDT) dan pakan E (5% TI + 25% TDT). Pakan diujikan pada patin dengan bobot rata-rata 1,2 ± 0,2 g yang dipelihara dalam akuarium ukuran 60 x 40 x 40 cm dengan kepadatan 15 ekor/akuarium. Patin dipelihara selama 40 hari dengan feeding rate 5% dan frekuensi pemberian pakan 2 kali sehari. Hasil penelitian menunjukkan bahwa penggunaan TDT tidak berpengaruh terhadap pertumbuhan patin (P<0,05). Pertumbuhan patin terbaik dihasilkan pada pakan uji B dengan proporsi 20% tepung ikan dan 10% tepung daging dan tulang, dengan pertumbuhan mutlak 1,67±0,93 g, laju pertumbuhan harian 0,04 ± 0,0023 g/hari dan konversi pakan 2,8 ± 2.
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