Penggunaan limbah ikan tuna sebagai sumber protein untuk pertumbuhan dan kelangsungan hidup ikan nila salin, Oreochromis niloticus

Abstract

The objective of this research were to find out the best growth and survival produced by feeding tuna fish waste meal with different doses, This research was carried out for 3 months, from May to July 2021, taking place in a pond pond in Likuang Barat Village, North Tabukan District, Sangihe Islands Regency. The research was conducted using a completely randomized design with four treatments, each had three replications. Growth parameters measured included Weight Gain (WG), Relative Growth Rate (RGR), Specific Growth Rate (SGR), Feed Efficiency FE), Feed Conversion Rate (FCR), and Survival Rate (SR). The highest growth rate of saline tilapia was found in treatment 3 with WG of 16.8 g, RGR 92%, SGR 2.2%/day, FE 61.3%, FCR 1.6 and SR 93.3%.