W. Isroni, W. Isroni, A.S. Bahri
The high density of stocking as a consequence of increased aquaculture production turns out to have another effect, namely the disruption of the fish health system. The disruption of the health is due to the limited space and the unconsumed feed. The decline in water quality is followed by a decrease in endurance, making it easier for fish to contract the disease. Various types of antimicrobial, anti-inflammatory, antipyretic, anticoagulant, and other biological activities have been used to increase the survival of fish. Many natural ingredients can be used as antimicrobial, anti-inflammatory, antipyretic, anticoagulant, and other biological activities, including brown seaweed (Phaeophyceae). The study was conducted using the experimental method. Antibacterial testing followed the agar diffusion method. The results showed that there were three (3) types of brown seaweed (Phaeophyceae), which were potential as anti-bacterial against Vibrio alginolticus and Vibrio Harvey. Rosenvingea orientalis failed to show antibacterial capacity. © 2020 Published under licence by IOP Publishing Ltd.
Faculty of Fisheries and Marine Science, Universitas Airlangga. Kampus C, Jl. Dharmahusada Permai No.330, Mulyorejo, Surabaya, East Java, 60115, Indonesia; Malang Fisheries Science College/STIP, Jl. Cengger Ayam I No.5, Tulusrejo, Kec. Lowokwaru, Malang, East Java, 65141, Indonesia; Coastal and Marine Research Center, Brawijaya University, Indonesia
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