LIMBAH TEPUNG BATANG KANGKUNG (Ipomea aquatica) SEBAGAI BAHAN BAKU PAKAN IKAN NILA (Oreochromis nilotikus) DI KARAMBA

Abstract

This research was carried out at spp (Sekolah Pertanian Pembangunan) Manado Kalasey. The fishwere reared in karamba (9 units) each units contained 50 fish, 14-16 weight. The experiment will be tested using completely random design using 3 deffierent treatment. One treatment is using comercial pellet and two treatmens all using pellets added with and swampcabbage stalk flour 20% and 30 %, each treatment hare 3 replicateries. Feeding frecuenci was 3 times a day and feeding rate was 5 % of their body weight the growth was observed every two weeks. The result analysis from 3 treatment show that the relative growth of treatment A was (312.67%) B was (282.79%), and C (262.41%). The was effisincy feeding foor treatment A was hare (49.43%), B was 48.78% and C was 47.26  5% Where as nutient conversion rate A was are (0%), B was 3.47% and C was (3.82%).

Keywords: Swamp cabbage stalk flow (Ipomea aquatica) Nila gif, karamba