Utilization of Nitrosomonas sp. And Nitrobacter sp. probiotic towards nitrite and nitrate level in nile tilapia (Oreochromis niloticus) using aquaponic system

D. Setiawan, Prayogo, B. S. Rahardja

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)

Abstract

Based on KKP data, nile tilapia production is highly increasing from 2015-2018. To generate high production of nile tilapia, intensive culture system is needed. The latter indicated with high density stock and feed amount, which lead to high accumulation of organic waste. Those accumulation of organic waste considered harmful towards fish commodity due to contained ammonia and nitrite which both of them categorized as toxic. The solution for the prior problem is by applying aquaponic system along with the addition of Nitrosomonas and Nitrobacter probiotic to support nitrification process. Nitrification process described as decreasing process of ammonia and nitrite by oxidizing them into nitrate. The effective dosage of the probiotic has yet to be known, so this study aim to figure out whether the addition of those probiotic with certain dosage can decrease nitrite and increase nitrate. This study uses Rancang Acak Lengkap (RAL) with 5 treatments repeated 4 times. Nitrite and nitrate data analyzed by ANOVA. The result showed the addition of Nitrosomonas and Nitrobacter probiotic decrease nitrite and increase nitrate with 1,5 mg/L as the most effective dosage.

Original languageEnglish
Article number012098
JournalIOP Conference Series: Earth and Environmental Science
Volume718
Issue number1
DOIs
Publication statusPublished - 1 Apr 2021
Event3rd International conference on Fisheries and Marine Sciences, INCOFIMS 2020 - Surabaya, Virtual, Indonesia
Duration: 10 Sept 2020 → …

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