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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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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 17 Documents
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Search results for , issue "Vol. 5 No. 4 (2025): Journal of Fish Health" : 17 Documents clear
Analysis of Bottom Gillnet Catches in Lambur Luar Village, Muara Sabak Timur District, Tanjung Jabung Timur Regency Khairunissa, Ade; Mairizal; Magwa, Rizky Janatul; Lisna; Ramadan, Fauzan; Wulandari
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.v5i4.8108

Abstract

The waters of Lambur Luar Village are a productive coastal area that supports capture fisheries activities, one of which is through the use of bottom gillnets. This fishing gear is considered fairly selective and environmentally friendly, making it important to assess its effectiveness in terms of catch composition. This study aims to analyze the main catch, bycatch, and discard from bottom gillnets operated by local fishers. The method used was a survey with purposive sampling on ten fishing units, with four replications per unit. The data were analyzed descriptively and supported by biodiversity indices, including diversity, evenness, and dominance. The results showed that mantis shrimp (Harpiosquilla raphidea) was the dominant main catch, with the highest number and biomass. Bycatch was dominated by demersal fish such as croaker (Johnius trachycephalus), tongue sole (Cynoglossus lingua), Chacunda gizzard shad (Anodontostoma chacunda), fourfinger threadfin (Eleutheronema tetradactylum), along with several other species. Meanwhile, discards consist of non-economic benthic organisms such as snails, starfish (Asteroidea spp.), horseshoe crabs (Tachypleus gigas), and ghost crabs (Ocypoda quadrata). The diversity index indicated a moderate category, reflecting ecosystem balance, while the dominance index was low, suggesting no single species excessively dominated the ecosystem. In conclusion, bottom gillnets with a mesh size of 3.5 inches proved effective in capturing target organisms suitable for consumption while reducing the proportion of unwanted discards. This indicates that bottom gillnets have the potential to support sustainable fisheries practices without causing significant negative impacts on the benthic ecosystem in the waters of Lambur Luar Village.
The Effect of Silkworm (Tubifex sp.) Growth on Rice Field Mud, Chicken Manure, and Tofu Pulp Media with Different Compositions Safrika, Mulyadi; Aryzegovina, Reffi; Ikhlas, Boni; Mayasari, Lisa
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.v5i4.8149

Abstract

The rapidly increasing demand for silkworms as natural feed has caused prices to rise, making silkworms a potentially valuable natural feed for farmed fish. To date, the supply of silkworms as natural feed still relies on nature, meaning that silkworms are not available throughout the year, but only during the rainy season. One way to support the availability of silkworms is through cultivation. The purpose of this study was to examine the effect of chicken manure, rice field mud, and tofu pulp on the growth of silkworms. The method used was a quantitative experiment with a completely randomized design (CRD) consisting of four treatments: P1 (100% mud), P2 (50% mud + 50% chicken manure), P3 (50% mud + 50% tofu pulp), and P4 (50% mud + 25% chicken manure + 25% tofu pulp). The results of the study showed that treatment P4 provided the highest absolute biomass growth with an average of 3.03 g. This indicates that the combination of chicken manure and tofu pulp provides an optimal synergistic effect for worm growth. From these results, it can be concluded that the combination of rice field mud, chicken manure, and tofu pulp (P4) is the most effective medium for silkworm growth.
Development Strategy to Increase Sales of Frozen Fish Products Produced by CV. Novira Abadi Agustina, Imelda; Fahrizal, Azrul; Affan, Junaidi M.; Lubis, Ahmad Fauzan; Aprilla, Ratna Mutia; Fuah, Ricky Winrison; Rahmah, Alvi
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: 10.29303/2kbk4y11

Abstract

Indonesia is known as a maritime country with a sea area of 3.25 million km², accounting for about 63% of its total territory. The sustainable potential of Indonesia’s marine fish production is estimated at 6.51 million tons per year, or around 8.2% of the world’s total potential. Banda Aceh is one of the coastal cities with enormous fisheries potential. Its waters are rich in fish resources, offering significant opportunities for the development of the fisheries industry. However, this potential has not been fully optimized. One major problem faced by the fisheries industry in Banda Aceh is the lack of effective marketing strategies, particularly in the frozen fish industry. CV. Novira Abadi, as one of the companies operating in this sector, often experiences unstable sales, resulting in uncontrolled stock accumulation. This condition is aggravated by the absence of an integrated marketing approach. This research aims to analyze the development strategy to improve frozen fish sales at CV. Novira Abadi through a SWOT analysis. A qualitative method was applied using observation and interviews. The SWOT analysis results show that opportunities scored the highest (1.92), followed by strengths (1.87), weaknesses (0.99), and threats (0.83). The company’s position in the SWOT matrix falls into quadrant I, indicating a favorable condition for implementing an aggressive growth strategy. The recommended strategies include developing new products, expanding distribution channels, and leveraging social media for promotion. Additionally, continuous market research and competitor analysis are necessary to strengthen competitiveness and ensure business sustainability for CV. Novira Abadi industry.
Climate-Resilient Biofloc Aquaculture: Energy Efficiency, System Robustness, and Operational Adaptations under Changing Environmental Conditions (2020–2025) Setyono, Bagus Dwi Hari; Abidin, Zaenal; Affandi, Rangga Idris
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.v5i4.8259

Abstract

Climate change poses a significant threat to the sustainability of global aquaculture, including biofloc-based aquaculture systems (BFT). While BFT improves nutrient use efficiency and reduces water consumption, energy efficiency remains a key challenge, especially in terms of energy intensity and oxygen transfer (OTE/SOTE). This study conducts a systematic literature review (SLR) using the PRISMA 2020 method, focusing on energy efficiency in tilapia cultivation with BFT and adaptation strategies to climate variability. Key findings emphasize the importance of aeration, design optimization, and C/N management in minimizing energy consumption without compromising production. Additionally, integrating technologies like IoT/AI for adaptive DO control shows great potential in reducing energy intensity. This research contributes a systematic framework that links energy metrics with aeration design and operational adaptation strategies, offering guidance for developing more efficient and climate-resilient BFT systems. The study also recommends implementing renewable energy and smart water quality monitoring technologies to enhance aquaculture sustainability.
Hematological Parameters and Growth Performance of Nile Tilapia (Oreochromis niloticus) Fed Fermented Papaya (Carica papaya L.) Leaf Extract Lestari, Widia; Azhar, Fariq; Diamahesa, Wastu Ayu
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.v5i4.8335

Abstract

Nile tilapia (Oreochromis niloticus) is one of the most important aquaculture species worldwide, but intensive farming has increased susceptibility to bacterial infections, particularly Aeromonas hydrophila, which threatens productivity and survival. This study evaluated fermented papaya (Carica papaya L.) leaf extract (FPLE) as a natural immunostimulant and sustainable alternative to antibiotics in Nile tilapia culture. A 45-day feeding trial was conducted using a completely randomized design with five treatments (0, 16, 18, and 20 mL FPLE/kg feed) and three replicates. Hematological, immunological, growth, and bacterial resistance parameters were analyzed. Results showed that supplementation with 20 mL/kg FPLE significantly increased post-infection leukocyte counts (2.82×10⁴ vs. 2.40×10⁴ cells/mm³), phagocytic activity (46.26% vs. 39.51%), and erythrocyte levels (5.85×10⁶ vs. 5.25×10⁶ cells/mm³). Differential leukocyte analysis revealed lymphocyte dominance (90.33%) and elevated monocytes (13.33%), indicating enhanced adaptive and nonspecific immunity. In addition, total bacterial load decreased by 22.4%, and specific growth rate improved (4.34% vs. 4.22%/day), while water quality remained within optimal ranges. The synergistic effects of papaya-derived bioactive compounds and Lactobacillus casei probiotics from Yakult likely contributed to immune enhancement and nutrient absorption. FPLE supplementation at 20 mL/kg optimized immunostimulation without compromising survival (77–84%), demonstrating its dual role in disease prevention and growth promotion. These findings highlight FPLE as a safe, eco-friendly feed additive with strong potential for reducing antibiotic dependence and supporting sustainable tilapia aquaculture.
Evaluation of Alginate Use as an Immunostimulant in Litopenaeus vannamei Shrimp Aquaculture (Review) Muahiddah, Nuri; Effendi, Irzal; Supriyono, Eddy; Affandi, Rangga Idris
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.v5i4.8402

Abstract

The Pacific white shrimp (Litopenaeus vannamei) is one of the most important species in global aquaculture but remains highly vulnerable to bacterial, viral, and environmental stressors. Conventional reliance on antibiotics and chemicals has raised concerns over resistance and sustainability, underscoring the need for eco-friendly alternatives. Alginate, a natural polysaccharide extracted from brown seaweeds such as Sargassum, has emerged as a promising immunostimulant and functional feed additive. Experimental studies show that alginate supplementation enhances non-specific immune responses, including total haemocyte count, phenoloxidase, superoxide dismutase, phagocytic activity, and total plasma protein. At the molecular level, alginate upregulates immune-related genes (e.g., Toll, LGBP, proPO), resulting in higher resistance against Vibrio spp. and White Spot Syndrome Virus (WSSV). In addition, low molecular weight sodium alginate improves antioxidant activity and stress tolerance under cadmium exposure, while dietary supplementation supports growth performance and feed utilization. From a sustainability perspective, converting Sargassum biomass into alginate aligns with circular economy principles by transforming an abundant, underutilized seaweed into high-value aquafeed additives. This reduces dependency on antibiotics and synthetic chemicals while generating added value for coastal communities. Overall, alginate represents a multifunctional and cost-effective strategy to strengthen shrimp immunity, enhance resilience to pathogens and stressors, and promote environmentally responsible aquaculture production.
Characteristics of Mudgrovel Crabs Caught Using Trap Fishing Gear in Lambur Luar Village, Muara Sabak Timur District Destiani, Dinda; Depison; Magwa, Rizky Janatul; Lisna; Ramadan, Fauzan; Leni, Yusyam
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.v5i4.8550

Abstract

Mangrove crabs are a type of crustacean that lives in mangrove and estuary ecosystems. one of the freshwater fishery products that have high economic value that are often caught in Lambur Luar Village using trap fishing gear. Purpose of this study was to describe the characteristics of mangrove crabs caught using traps in Lambur Luar Village, Jambi Province. This study was conducted from February 1-16, 2025. The research method used was a census, with data collection techniques using probability sampling. The data observed included the type of mangrove crab, weight, carapace length, carapace width, and sex. Differences in weight, length, and carapace width of mangrove crabs were analyzed using ANOVA followed by Duncan's test at a significance level of 5%. The results showed that there were three species of mangrove crabs caught, namely Scylla serrata, Scylla olivacea, and Scylla tranquebarica. After ANOVA test and Duncan's further test, it was found that the carapace length between Scylla serrata, Scylla olivacea, and Scylla tranquebarica was significantly different (p≤0.05). while the carapace width and weight were not significantly different (p>0.05). Variations sex ratio in the Scylla serrata species were (0.78:0.22) and Scylla tranquebarica (0.67:0.33), indicating that the male population was more dominant in these two species. While the Scylla olivacea species, the sex ratio was almost balanced, namely (0.51:0.49). The conclusion of this study is that the characteristics of mangrove crabs differ between males and females, and there are significant differences in carapace length between mangrove crab species found in Lambur Luar Village.
Species Composition and Catch Rate of Cast Net Fisheries in Kerinci Lake, Jambi Ananda, Destha Dwi; Fatati; Magwa, Rizky Janatul; Yurleni; Yunita, Lauura Hermala; Putinur
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.v5i4.8581

Abstract

Capture fisheries in inland waters play a vital role in supporting food security and the economy of the community, including fishermen in Lake Kerinci who utilize cast nets as an economical and effective fishing gear. However, scientific information on catch composition, catch rates, and technical factors influencing the productivity of this gear is still limited. The purpose of this study was to analyze catch composition, catch rates, and factors influencing catch yields from cast nets in Lake Kerinci, Kerinci Regency, Jambi. The study was conducted from June 29 – August 7, 2025, using a survey method through participatory observation and interviews with 17 fishermen using cast nets, with a total of 34 data collection trips. Data collected included fish species, weight and number of catches, fishing duration, number of casts, and gear dimensions, then analyzed descriptively and using multiple linear regression. The results showed that the catch composition consisted of 162 tilapia (84.49% of the total weight) and 39 Nile tilapia (15.51%). The average catch rate of the throw nets reached 1.74 kg/hour, with the highest value for tilapia at 2.94 kg/hour. Regression analysis results showed that fishing duration, number of throws, and gear dimensions had no significant effect on catch results (p>0.05). It can be concluded that the throw nets in Lake Kerinci predominantly catch tilapia, while technical factors of the gear are not the main determinants of catch results. Environmental conditions and fish stock availability are suspected to have a greater influence on catch results.
Potential Implementation of Payment for Ecosystem Services (PES) for Mangrove Rehabilitation in Poka Village, Ambon City Ruban, Angela; Talakua, Eygner Gerald; Talakua, Julio Alexsandro Christo
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.v5i4.8305

Abstract

Mangroves have an important role in supporting community welfare through various ecosystem services. However, in July 2022 there was mangrove damage in Poka Village, which was caused by exposure to waste from pipeline leaks during bridge construction. This incident damaged a mangrove area of 1,394 m2. The absence of market value for ecosystem services means that their benefits were often overlooked in economic decision-making. For this reason, incentive schemes such as Payment for Ecosystem Services (PES), where beneficiaries compensate providers, were considered necessary to reward the role of environmental service providers. The purpose of this study was to describe the potential implementation of PES for mangrove rehabilitation. The study observed the damaged mangrove areas and interviewed 61 respondents. For data analysis, the Contingent Valuation Method (CVM) was used to obtain the value of community’s willingness to pay (WTP) for mangrove rahabilitation. The results showed that the average value of willingness to pay was IDR 39,825.40 per household per month. As a concrete step, this value could be used as the initial amount of incentives in the Payment for Ecosystem Services (PES). Providers could be established or utilize existing institutional structures at the local level. Furthermore, the provider would make monthly or quarterly reports on the use of funds, the results of activities, and the condition of the mangrove ecosystem, which could be accessed by beneficiaries. Therefore, the implementation of Payment for Ecosystem Services (PES) in Poka Village had strong prospects to encourage the sustainability of mangrove ecosystem services.
Ammonia and Nitrite Control Techniques in Vannamei Shrimp Cultivation Media at PT. Panen Berkat Sejahtera Bersama (PBSB) Sambelia, East Lombok Setiawan, Rifky; Dwiyanti, Septiana
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.v5i4.8571

Abstract

Intensive cultivation of vannamei shrimp (Litopenaeus vannamei) requires good water quality management to support the growth, health, and survival of the shrimp. This research was conducted at PT. Panen Berkat Sejahtera Bersama (PBSB), East Lombok, for 25 days (April 9–May 3, 2025) with the aim of determining the control techniques for ammonia (NH₃) and nitrite (NO₂) in the cultivation media. The method used was descriptive with primary data collection through observation, active participation, interviews, and field documentation, as well as secondary data from company archives and related literature. The water quality management techniques applied included siphoning the pond bottom, waste disposal through a central drain system, and the use of Aquastar Pond probiotics. The water quality parameters observed included ammonia, nitrite, dissolved oxygen (DO), salinity, and pH. The results showed that ammonia levels were stable at 0.0000 mg/L and nitrite was in the range of 0.007–0.059 mg/L, remaining within safe limits for whiteleg shrimp. DO, salinity, and pH parameters were also within optimal ranges, supporting metabolism, osmoregulatory balance, and nitrifying microbial activity. The application of siphoning techniques, waste disposal, and probiotics has proven effective in maintaining stable water quality and creating optimal cultivation conditions for the growth and health of vannamei shrimp.

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