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All Journal agriTECH Jurnal Sumberdaya Akuatik Indopasifik Journal of Aquaculture and Fish Health
Budianto Budianto
Program Studi Budidaya Perairan, Fakultas Perikanan Dan Ilmu Kelautan, Universitas Brawijaya, Jl. Veteran, Malang 65145
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science

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Journal : Jurnal Sumberdaya Akuatik Indopasifik

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Potensi Ekstrak Makroalga Watercress sebagai Anti Bakteri Aeromonas hydrophila secara in vitro Qurrota A'yunin; Dinarti Dinarti; Nurhabibah Nurhabibah; Budianto Budianto
Jurnal Sumberdaya Akuatik Indopasifik Vol 5 No 4 (2021): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2021.Vol.5.No.4.193

Abstract

Disease infection is a problem in catfish farming. The diseases that often arise in catfish farming is Motile Aeromonas Septicemia (MAS). It can infect the catfish group with a high mortality rate. Watercress extract is thought to inhibit the growth of pathogenic bacteria that infect catfish. Bacteria that infect catfish are cultured and biochemically identified. The extracts test was carried out through an inhibition tests with different doses to determine the activity of extracts in inhibiting bacterial growth. Based on the results of biochemical identification, the pathogenic bacteria that infect catfish are Aeromonas hydrophila. The results of the inhibition test showed that a dose of 70 ppm had the highest inhibitory response compared to other doses. This indicates that watercress macroalgae extract can inhibit the growth of pathogenic bacteria so it can be used as an alternative medicine to treat Aeromonas hydrophila infection in fish.
Efektivitas Bakteri Bacillus subtilis terhadap Kelulushidupan Ikan Nila (Oreochromis niloticus) yang Diinfeksi Bakteri Pseudomonas fluorescens Budianto; Ihza Farras Faadhilah; Aprilia Ekawati; Silvia Anggaita; Qurrota A’yunin; Sri Andayani
Jurnal Sumberdaya Akuatik Indopasifik Vol 6 No 2 (2022): Mei
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

A bacterial disease that infects freshwater fish, especially tilapia (Oreochromis niloticus), is a septicemia disease caused by Pseudomonas fluorescens infection. The purpose of this study was to determine the effectiveness of Bacillus subtilis on the survival of tilapia infected with P. fluorescens in vivo. The doses of B. subtilis used were different for each treatment, namely A (104 CFU/ml), B (106 CFU/ml), and C (108 CFU/ml). Fish were kept for 7 days to calculate their survival rate. Dosage of B. subtilis bacteria had a significant effect (α > 0,05) on the survival of tilapia infected with P. fluorescens bacteria. The best dose of B. subtilis in treatment A (104 CFU/ml) could increase the survival rate of tilapia infected with P. fluorescens with a survival rate of 93.33 ± 11.55%. The average ranges of water quality during the maintenance period are 25°-30°C, pH 7.2-9, and dissolved oxygen 5.50-7.00 ppm.
Co-Authors A'yunin, Qurrota Aprilia Ekawati Arief Prajitno Ating Yuniarti Dinarti Dinarti Dwi Candra Pratiwi Ihza Farras Faadhilah Nurhabibah Nurhabibah Qurrota A'yunin Silvia Anggaita Sri Andayani