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All Journal Journal of Fish Health Journal of Fisheries & Marine
Fauzi, Arini Resti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Effect of Dayak Onion (Eleutherine bulbosa (Mill.) Urb.) on the Immune Response and Gene Expression of Nile Tilapia (Oreochromis niloticus) Infected with Aeromonas hydrophila Fauzi, Arini Resti; Yuhana, Munti; Widanarni, Widanarni; Setiawati, Mia; Afiff, Usamah
Jurnal Ilmiah Perikanan dan Kelautan Vol. 16 No. 1 (2024): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v16i1.44079

Abstract

Abstract Dayak onion (Eleutherine bulbosa (Mill.) Urb.) has the potential to be an immunostimulant to benefit fish health. This study aimed to evaluate the effectiveness of dietary supplementation with the powder and crude ethanol extracts of Dayak onion on the hematology and immune response parameters of Nile tilapia challenged with Aeromonas hydrophila. The research used a completely randomized design with six treatments and three replications. Nile tilapias were fed with Dayak onion (w/v) consisting of powders of 5% (P5), 10% (P10), and 15% (P15), while crude extract was 0.5% (E05) and given during rearing for 30 days. Positive control (C+) and negative control (C-) were used without Dayak onion. Nile tilapia in treatment C+, P5, P10, and P15 were injected with A. hydrophila 10⁶ CFU mL⁻1, while that in treatment C- was injected with phosphate buffered saline (PBS) intramuscularly. The results showed that the dietary with 15% powder and 0.5% crude extract significantly improved the hematology and immune response parameters compared to the control after the challenge against A. hydrophila (P<0.05). Dayak onion supplementation effectively increased the health status based on hematology and immune response parameters of Nile tilapia against A. hydrophila infection. Highlight Research Dayak onion has significant potential to improve nonspecific immunity in fish. Dayak onion improves hematology and immune response of Nile tilapia. Dayak onion can significantly regulate the immune system against A. hydrophila infection. Dayak onion significantly increases the production of the gene expression of IL-1β and TNF-α.
The Effect of Crude Jackfruit (Artocarpus heterophyllus) Leaf Extract on Pseudomonas fluorescens Bacteria In Vitro Nilakandhi, Tania; Laily, Anggita Noer; Hidayati, Desy Amalia; Sumiana, I Kadek; Riyadi, Farid Mukhtar; Fauzi, Arini Resti
Journal of Fish Health Vol. 5 No. 4 (2025): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v5i4.8673

Abstract

Cultivation activities often experience obstacles due to bacterial disease attacks, one of which is caused by P. fluorescens bacteria. Commercial treatment efforts include the use of antibiotics, but this can cause bacterial resistance. Therefore, an alternative treatment that is more environmentally friendly but can still be used as medicine is needed, namely the use of natural ingredients such as jackfruit (A. heterophyllus) leaves. This study aims to determine the effect of crude jackfruit (A. heterophyllus) leaf extract on P. fluorescens bacteria in vitro. This study used an experimental method with a Completely Randomized Design (CRD) consisting of 5 treatments, 2 controls, and 3 replications. The control treatment consisted of a positive control (Tetracycline 30 ppm), and a negative control (only using disc paper), as well as 5 different extract dose treatments, namely treatment A (60 ppm), treatment B (120 ppm), treatment C (180 ppm), treatment D (240 ppm) and treatment E (300 ppm). The results of the study showed that the use of crude jackfruit (A. heterophyllus) leaf extract affected P. fluorescens bacteria. The relationship between the use of crude jackfruit (A. heterophyllus) leaf extract with different doses and the resulting inhibition zone showed a quadratic regression pattern with the equation y = -0.0001x2 + 0.05x + 6.327.
Co-Authors Afiff , Usamah Desy Amalia Hidayati Laily, Anggita Noer Mia Setiawati MUNTI YUHANA Nilakandhi, Tania Riyadi, Farid Mukhtar Sumiana, I Kadek WIDANARNI WIDANARNI