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Andre Rachmat S
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Journal of Fish Health (JFH) Department of Aquaculture Faculty of Agriculture, Mataram University Jl. Pendidikan No. 37 Mataram, 83125
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Kota mataram,
Nusa tenggara barat
INDONESIA
Journal of Fish Health
Published by Universitas Mataram
ISSN : -     EISSN : 27982955     DOI : https://doi.org/10.29303/jfh.v2i2
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The Journal of Fish Health (JFH) has an objective to publish and provide high-quality scientific contributions to the field of fish health. These contributions are sourced from innovative research that encourages science and technology development in the field of fish health on a national and international scale. This journal serves as a communication medium for researchers, academics, students, and communities. This journal is published two times a year in June and December. We accept review papers and full research articles. The Journal of Fish Health’s scope includes:  1. Fish Pharmaceutical 2. Fish Environmental Health 3. Microbiology 4. Biotechnology 5. Parasitology, etc. 6. Aquaculture 7. Management of Water Resources 8. Fishery Technology 9. Capture Fisheries Technology 10. Marine Science and Technology 11. Fisheries Agribusiness The Journal of Fish Health (JFH) accepts manuscripts written in English and Bahasa (Indonesian). The Journal of Fish Health (JFH) only processes submitted original script related to the scope of fish health and not being published by other publishers. The Journal of Fish Health (JFH) is jointly published by the Department of Aquaculture, Faculty of Agriculture, Mataram University. We strongly prefer to receive manuscripts via our online submission system. Using this system, authors can upload manuscript files (text, figures, and supplementary information) directly to our system and check on the status of their manuscripts during the review process. First, kindly please register as the author, and then you should log in to submit your papers. Please don´t forget to tick the author when you make a registration.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 221 Documents
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Biochemical Profile of Macroalgae: Analysis of Primary Metabolites and Hydrocolloid Content in Oenaek Waters During the Dry Season Demoor, Yustina Putri Tiara; Oedjoe, Marcelien Djublina Ratoe; Salosso, Yuliana
Journal of Fish Health Vol. 5 No. 3 (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.v5i3.7020

Abstract

Macroalgae are important components in coastal ecosystems, acting as primary producers, oxygen producers through photosynthesis, supporting biodiversity, and providing habitat for marine organisms. In addition to their ecological functions, macroalgae have great economic potential due to their bioactive compound content, including hydrocolloids and nutrient metabolites, which are utilized in the food, pharmaceutical, and cosmetic industries. Biochemical content such as protein, carbohydrates, and hydrocolloids in macroalgae varies greatly depending on species and environmental conditions, so site-specific research is needed. This study analyzed primary metabolites and hydrocolloid content of ten macroalgae species collected from the waters of Oenaek Village during the dry season. The parameters tested included water, ash, fat, protein, carbohydrate, and agar (in red algae) and alginate (in brown algae) content. The results showed that the water content ranged from 1.51% to 29.16%, ash ranged from 0.05%–0.58%, fat ranged from 5.4%–28%, protein ranged from 1.82%–8.54%, and carbohydrates ranged from 50.3%–87.92%. The highest agar content was found in Gracilaria gracilis (19.6%) and the highest alginate in Sargassum polycystum (33.96%). Green algae do not contain hydrocolloids but have the highest carbohydrate content. The biochemical profile indicates that macroalgae from Oenaek have great potential for industrial applications, especially as a source of hydrocolloids and nutritional compounds.
The Strategic Role of Biotechnology in Aquaculture: Integrating Upstream and Downstream Processes for Sustainable Fish Production Aisyah; Andriani, Yuli
Journal of Fish Health Vol. 5 No. 3 (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.v5i3.7054

Abstract

Aquaculture has become an essential contributor to global food security, yet its rapid expansion presents significant challenges, including disease outbreaks, environmental degradation, and feed inefficiency. Biotechnology offers transformative solutions across the entire aquaculture value chain ranging from upstream breeding and health management to downstream processing and product safety. This review examines the strategic role of biotechnological innovations in enhancing sustainability, productivity, and resilience in aquaculture systems. Key upstream applications include selective breeding, marker-assisted selection (MAS), recombinant DNA vaccines, and probiotic-supplemented feeds, all of which have demonstrated substantial improvements in growth rates, feed conversion, and disease resistance. In midstream operations, molecular diagnostics (e.g., qPCR, LAMP) and enzyme-assisted processing technologies ensure product quality and safety. Downstream, innovations such as biosensor-based cold chain monitoring, value-added probiotic fish products, and DNA-based traceability cater to evolving consumer demands and regulatory standards. The integration of emerging tools—such as CRISPR/Cas9 gene editing, RNA interference, metagenomics, and nanotechnology—further strengthens the aquaculture sector's capacity to adapt to climate stress and global market needs. Overall, this review highlights biotechnology as a pivotal enabler of sustainable intensification in aquaculture and underscores the need for policy support, technological accessibility, and interdisciplinary collaboration to realize its full potential.
Oyster Farming Management Fajrin, Mahmudin; Junianto
Journal of Fish Health Vol. 5 No. 3 (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.v5i3.7080

Abstract

Pacific oysters (Crassostrea gigas) are one of the major aquaculture commodities that contribute greatly to the Japanese fishing industry. This study aims to describe the oyster farming management system based on field research experience in Hyogo Prefecture, Japan. The method used was participatory observation for eight months, covering all stages of aquaculture from seed collection to post-harvest. Observations showed that oyster farming is carried out using the hanging raft method (ikada-suika-shiki), relying on natural food in the form of plankton with depth management and regular hanger rotation. A seed training process (yokusei) was also applied to increase the oyster's resistance to environmental stress. The growth rate of oysters in the rearing phase ranges from 0.25-0.35 grams per day, and harvesting is done during winter to produce high-quality meat. The implementation of efficient and systematic production management has proven to increase yield and product quality. These results suggest that oyster farming practices in Japan can serve as a reference in the development of sustainable oyster farming in Indonesia.
Optimization of Hatchery Techniques to Enhance Larval Survival and Business Feasibility of Guppy (Poecilia reticulata) Setyono, Bagus Dwi Hari; Ula, Nurtia Nikmatul; Affandi, Rangga Idris
Journal of Fish Health Vol. 5 No. 2 (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.v5i2.7093

Abstract

Optimizing hatchery techniques for guppy (Poecilia reticulata) production is essential for improving reproductive efficiency and economic viability in small-scale ornamental aquaculture. This study evaluated the effectiveness of a simplified spawning system using sterilized aquaria (40×60×40 cm) with aeration and aquatic vegetation to create a semi-natural environment. Broodstock selection based on gonadal maturity and a male-to-female ratio of 2:4 resulted in high spawning success, with courtship behavior observed by day three. A staged feeding strategy—infusoria and egg yolk (days 1–3), Artemia nauplii (days 4–10), and Tubifex (days 11–21)—supported consistent larval growth from 0.5 cm to 1.6 cm over three weeks. Larval survival reached 91.1%, with 162 of 168 fry surviving by day 21. Stable water quality parameters (24–26°C, 7.6–7.9 mg/L dissolved oxygen, pH 6.7–7.1) were maintained through regular siphoning and water renewal. Economic analysis indicated system feasibility, with a production cost of IDR 1,369,250, revenue of IDR 1,620,000, and net profit of IDR 250,750. The benefit-cost ratio (R/C) was 1.18, the break-even point was achieved at 136.93 fry, and the payback period was 17.7 months. These findings highlight the biological and financial viability of low-cost guppy hatchery systems suitable for rural aquaculture settings. Future research should focus on scaling potential, feed alternatives, and digital monitoring to improve system sustainability and profitability.
Differences in Eel (Monopeterus albus) Catch Results Using Fishing Gear Traps with Different Baits in Lopak Alai Village, Kumpeh Ulu District Alfebrianti, Dhea; H, Afriani; Magwa, Rizky Janatul; Pramunsintho, Bagus; Arfiana, Bs Monica; Bareta, Ainun Rohmawati
Journal of Fish Health Vol. 5 No. 3 (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.v5i3.7120

Abstract

Eel (Monopterus albus) is one of the freshwater fishery products that has high economic value which is widely caught in Lopak Alai Village, Kumpe Ulu District using bubu fishing gear. This study aims to determine the differences in eel catches using bubu fishing gear with different baits in Lopak Alai Village, Kumpe Ulu District. This research was conducted in Lopak Alai Village, Kumpeh Ulu District on January 12th - February 07th, 2025. The research method used was the experimental method. The total of bubu used in this study was 60 bubu with each placement of 5 meters, the size of the bubu used was 100 cm which consisted of 2 treatments, namely using earthworm bait and golden snail bait weighing 10 grams, each bait was placed into 30 bubu with 20 repetitions. The results of the study showed that the total of eel catches (Monopterus albus) with earthworm bait was 123 with an average weight of 611 g and an average length of 45 cm, while with golden snail bait it was 204 with an average weight of 1,393 g and an average length of 49 cm. The results of the t-test analysis showed that there were differences in the catches of eels with earthworm and golden snail bait.
The Effect of Different Salinity on Moulting of Mud Crab (Scylla serrata) in Controlled Media Aeni, Nurul; Marzuki, Muhammad; Sumsanto, Muhammad
Journal of Fish Health Vol. 5 No. 2 (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.v5i2.7294

Abstract

Mud crab (Scylla serrata) is a fishery commodity that has high economic value and has a wide salinity tolerance so that its growth can be developed. The growth of mud crabs can be influenced by genetic traits such as moulting. In cultivation activities there are methods that can accelerate the moulting process such as environmental engineering (increasing and decreasing the salinity of the maintenance media) and mutilation. This study aims to determine the growth and fastest moulting time of crabs in media with different salinities in controlled media. The method used is an experimental method with a Completely Randomized Design (CRD) consisting of 5 treatments and 3 replications, namely: (Control), (P1: 5 ppt), (P2: 10 ppt), (P3: 15 ppt) and (P4: 20 ppt) which are given to mud crabs for 45 days. The results showed that at 5 ppt salinity obtained the fastest moulting time which was 24.3 days and the longest was at 20 ppt salinity for 39 days, while the highest growth was obtained in the 15 ppt salinity treatment with an average absolute weight of 27.3 grams and the lowest was in the control treatment with an average absolute weight of 18.3 grams.
Cover, Editorial Boards, Table of Contents Rachmat, Andre
Journal of Fish Health Vol. 5 No. 2 (2025): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

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

Abstract

Cover, Editorial Boards, Table of Contents
The Effect of Egg White Powder Concentration on The Quality of Meatballs Based on Surimi from Tilapia, Catfish and Pangasius Ferdiansyah; Sara, Dwi; Kelvin; Apriansyah, Miko; Badruzzaman, Falah; Notonegoro, Hartoyo
Journal of Fish Health Vol. 5 No. 3 (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.v5i3.7493

Abstract

Surimi is a processed freshwater fish product which is the main raw material for various food products, one of which is fish meatballs. The use of freshwater fish has disadvantages in terms of sensory characteristics, so it is necessary to add other ingredients. One of the additional ingredients that has great potential to affect the characteristics of fish meatball surimi is EWP. This study aims to determine the effect of EWP concentration in surimi from different types of freshwater fish on the characteristics of sensory properties, pH, and yield. The variations in EWP concentration used were 0%; 3% and 6%. Sensory testing included appearance, texture, taste, and aroma. The results showed that appearance, texture, taste and aroma had a significant effect with the best treatment of 0% EWP on catfish and pangasius meatball surimi and 3% EWP on tilapia meatball surimi. The effect of variations in EWP concentration on the pH value of fish meatball surimi did not have a significant effect. The best yield was obtained with the treatment of 6% EWP on each catfish, pangasius and tilapia surimi. The selected catfish and pangasius fish surimi meatballs were 0% EWP concentration while tilapia fish surimi meatballs were 3% EWP concentration because they provided the best meatball quality. The addition of EWP affected the appearance, taste, texture and aroma with the best treatment at a concentration of 3% EWP tilapia fish surimi meatballs and had no significant effect on the pH value, and the best yield at 6% EWP.
Immunostimulation of Nile Tilapia Through the Provision of Synbiotic Feed (Eleutherine bulbosa and Probiotic) to Prevent Motile Aeromonas Septicemia (MAS) Disease Hasmin; Hamzah, Muhaimin; Abidin, La Ode Baytul
Journal of Fish Health Vol. 5 No. 3 (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.v5i3.7650

Abstract

Motile Aeromonas Septicemia (MAS) is one of the bacterial diseases that attacks and causes mass death of nile tilapia. Disease control in fish farming using synthetic antibiotics has caused problems in aquaculture, such as bacterial resistance to antibiotics, drug residues in fish, and water pollution. Therefore, alternative measures to control MAS that are safe and environmentally friendly, such as the application of immonostimulant that use organic ingredients, are needed. This research aims to determine potency of immunostimulation of nile tilapia trough feeding of synbiotic feed namely prebiotic Eleutherine bulbosa powder (Ebp) and probiotic containing Lactobacillus casei and Saccharomyces cerevisiae as for prevention MAS disease. The fish were reared for 21 days, in reared for the first 14 days, the fish were given synbiotic feed then for the next 7 days they were given feed without synbiotics. The fish were challenged with Aeromonas hydrophila on day 15th. Experimental design used was completely randomized design with four treatments: 0 g Ebp and 0 ml probiotics in 1 kg of feed (synbiotic free feed), 7.5 g, 10 g, and 12.5 g Ebp each with 15 ml probiotics in 1 kg of feed. The results showed that feeding the fish with synbiotic feed, especially the treatment Ebp12.5, give significantly different results on parameters prevalence, fish recovery, survival rate of the fish test. This research concluded that treatment of Ebp 12.5 was the best dosage of immunostimulant to prevent MAS disease in nile tilapia.
Growth and Hematological Response of Common Carp (Cyprinus carpio) to Dietary Supplementation with Water Hyacinth (Eichhornia crassipes) Extract Putri, Marselia Aisyah; Cokrowati, Nunik; Setyono, Bagus Dwi Hari
Journal of Fish Health Vol. 5 No. 3 (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.v5i3.7800

Abstract

This study examined the effects of dietary supplementation with Eichhornia crassipes leaf extract on the growth performance and hematological parameters of common carp (Cyprinus carpio). Phytochemical screening confirmed the presence of bioactive compounds such as flavonoids, alkaloids, and saponins, with moderate antioxidant activity (50.89% DPPH inhibition). Experimental treatments showed that fish receiving moderate levels of the extract had significantly higher erythrocyte and leukocyte counts, indicating improved oxygen transport and immune function. Additionally, the group with the highest absolute weight gain suggests better nutrient absorption. All treatments maintained a 100% survival rate and stable water quality, confirming the extract’s safety and environmental compatibility. These results support the use of E. crassipes as a sustainable, cost-effective, and environmentally friendly alternative to synthetic growth promoters in aquaculture. Further research is recommended to investigate its long-term effects and mechanisms of action.

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