Publisher

ITBMITBM

Journal Indonesian Journal of Coastal and Marine StudiesIndonesian Journal of Coastal and Marine Studies Abstract

Alternative disease prevention that is environmentally friendly in tiger shrimp cultivation has now begun to be carried out a lot, one of which is by using microalgae that play an important role in aquaculture activities. In addition to functioning as natural feed, microalgae also could control microbiological communities in the aquatic environment through various mechanisms, both by inhibiting and supporting the growth of other microorganisms. This study aims to determine the ability of microalgae Porphyridium sp, Vulgaris sp, Phaeodactylum sp, and Nannochloropsis sp in inhibiting the growth of fluorescent Vibrio bacteria which is known to be one of the causes of vibriosis in shrimp farming. The results of the study showed that all microalgae tested had the ability to be antibacterial, especially from the type of Nannochloropsis sp which was able to significantly reduce the number of bacteria in a longer observation period, so it has great potential to be used as an environmentally friendly natural material for the prevention of diseases caused by bacteria in shrimp farming.

Conclusion

Based on the research conducted, it can be concluded that Nannochloropsis sp microalgae possesses the ability to inhibit the growth of fluorescent Vibrio bacteria more effectively compared to other microalgae species tested.This finding suggests its potential as a natural and environmentally friendly material for preventing bacterial diseases, specifically vibriosis, in shrimp farming.Therefore, the utilization of Nannochloropsis sp offers a promising approach to sustainable and eco-friendly aquaculture practices.

Future Research

Penelitian lebih lanjut perlu dilakukan untuk mengidentifikasi mekanisme spesifik bagaimana Nannochloropsis sp menghambat pertumbuhan bakteri Vibrio berpendar, misalnya dengan menganalisis perubahan ekspresi gen pada bakteri Vibrio saat terpapar mikroalga tersebut. Selain itu, studi perlu dilakukan untuk mengoptimalkan konsentrasi dan metode aplikasi Nannochloropsis sp dalam budidaya udang, termasuk pengujian efektivitasnya pada berbagai kondisi lingkungan dan kepadatan tebar udang. Terakhir, penelitian perlu memperluas cakupan jenis mikroalga yang diuji, termasuk eksplorasi mikroalga lokal Indonesia, untuk menemukan alternatif yang lebih efektif dan adaptif terhadap kondisi perairan Indonesia, serta mengkaji potensi sinergi antara beberapa jenis mikroalga dalam mengendalikan pertumbuhan bakteri patogen.

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