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Jurnal Media Akuakultur Indonesia
Published by Universitas Mataram
ISSN : 27980553     EISSN : 27980553     DOI : http://doi.org/10.2 9303/mediaakuakultur.
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology
The scope of articles published on JMAI is the management of aquaculture media which includes the management of physical (temperature, TDS, TSS, etc.), chemical (DO, Salinity, etc.), and biological (plankton, biofilter, etc.) parameters.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 178 Documents
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EFEKTIVITAS EKSTRAK DAUN KAWISTA (Limonia acidissima) TERHADAP SISTEM IMUN IKAN NILA (Oreochromis niloticus) YANG DIINJEKSI BAKTERI Aeromonas hydrophila Febriana, Nurlita; Azhar, Fariq; Abidin, Zaenal; Setyowati, Dewi Nur’aeni
Jurnal Media Akuakultur Indonesia Vol 4 No 4 (2024): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v4i4.6139

Abstract

ABSTRACT Tilapia (Oreochromis niloticus) is a freshwater commodity that has high prospects in the fisheries sector. A. hydrophila bacteria is a pathogenic bacteria that can cause death, often found in freshwater fish. The kawista plant contains alkaloids, tannins, flavonoids, steroids and polyphenols. The objective of the study was to determine the effectiveness of kawista leaf extract Limonia acidissima) against the immune system of tilapia (Oreochromis niloticus) injected with A. hydrophila bacteria. This study was experimental using a completely randomized design (RAL) method consisting of 5 treatments with 3 replications namely K- (Not given kawista leaf extract and injected with 0.9% NaCl), K+ (Not given kawista leaf extract and injected with A. Hydrophila bacteria ), P1 (Addition of kawista leaf extract to feed with a dose of 0.5% and injection of A. hydrophila bacteria, P2 (Addition of kawista leaf extract to feed with a dose of 1% and injection of A. Hydrophila bacteria), P3 (Addition of kawista leaf extract to feed with dose of 2% and injection of A. Hydrophila bacteria).The results showed that giving kawista leaf extract with different doses affected the immune system in tilapia and fish survival.In this study the best treatment was obtained in treatment 2 with a total erythrocyte value of 1.92 x106 cell/mm3, total leukocytes 2.58x104 cell/mm3, differential leukocytes are divided into 4 parts, namely lymphocytes 66.7%, monocytes 5.33%, neutrophils 21.7%, and platelets 6.33%, hemoglobin 6.6%, hematocrit 17.33%, phagocytosis activity 69.93%, and a Total Bacteria Count (TBC) of OD620 3.53 and a survival rate of 68%. The conclusion was obtained that the use of kawista leaf extract at a dose of 1% in feed could improve the immune system of tilapia injected with A. hydrophila bacteria.
Efektivitas Ekstrak Daun Komak (Lablab purpureus) Terhadap Sistem Imun Ikan Nila (Oreochromis niloticus) Yang Diinjeksi Bakteri Aeromonas hydrophila Rabi’atussamiah; Azhar, Fariq; Abidin, Zaenal; setyowati, Dewi Nur’aeni
Jurnal Media Akuakultur Indonesia Vol 4 No 4 (2024): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v4i4.6140

Abstract

This study aims to determine the effect of comma leaf extract on the immune system of tilapia injected with A. hydrophila bacteria. This research was conducted for 60 days at the Fish Production and Reproduction Laboratory and Aquaculture Fish Health Laboratory, Aquaculture Study Program, Department of Fisheries and Marine Sciences, Faculty of Agriculture, University of Mataram. The method used was a completely randomized design (CRD) experiment with five treatments and three replications, namely where K- was not given comma leaf extract and was injected with 0.9% NaCl, K+ was not given comma leaf extract and was injected with A. Hydrophila bacteria, P1 (0.5%) extract comma leaf and injected with A. hydrophila bacteria, P2 (1%) of komak leaf extract and injected with A. hydophila bacteria, P3 (2%) of komak leaf extract and injected with A. hydrophila bacteria. The observed parameters were total erythrocytes, total leukocytes, hemoglobin, hematocrit, differential leukocytes, phagocytosis activity, total bacteria and survival (SR). The results showed that the average value of total erythrocytes was 1.22-1.82 x106 cells/mm3, total leukocytes were 2.08-2.8 x104 cells/mm3, hemoglobin was 3.4-5.5%, hematocrit was 14.1-17.3%, differential leukocytes consisted of 4 types of cells, namely lymphocytes. , monocytes, neutrophils and platelets. Lymphocytes 60.7-72.3%, monocytes 4.3-7.3%, neutrophils 17-24.3%, and platelets 6.3-7.7%, phagocytosis activity 44.8-66.3%, total bacteria (TB) OD620 3.39-3.84, survival (SR) 46.7-66.7 %. The addition of 2% of comma leaf extract to the feed can improve the immune system of tilapia injected with A. hydrophila bacteria
The Effect Of Coconut (Cocos nucifera) Water For Male Sex Reversal In Green Swordtail (Xiphophorus hellerii) Rahmawati, Nur; Diniarti, Nanda; Affandi, Rangga Idris
Jurnal Media Akuakultur Indonesia Vol 5 No 1 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i1.6853

Abstract

Male green swordtail (Xiphophorus hellerii) is one of fish that is widely favored by the Indonesian people and included in the top ten exports of ornamental fish trade. Market demand for male green swordtail is increasing, so it is necessary to find a method that produces male in mass. One technique that can be used is sex reversal. One of the natural ingredients that can be used is coconut (Cocos nucifera) water. This study aims to analyze the effect of different concentrations of coconut water on the sexing of male green swordtail. This study was conducted ford 60 days in June-August 2023 at the Fish Production and Reproduction Laboratoryd, Aquaculture Study Program, Faculty of Agriculture, University of Mataram. The method used was an experiment using a Completely Randomized Design (CRD) consisting of 4 treatments and 3 replications, namely without coconut water administration or control (P1); 20% ​​coconut water administration (P2); 40% ​​coconut water administration (P3); 60% ​​coconut water administration (P4). The results showed that the method of soaking coconut water with different concentrations for 24 hours had a significant effect (p < 0.05) on the percentage of male green swordtail and survival rate, while the growth in length and weight of the fish did not have a significant effect on each treatment, because the growth of the fish was influenced by the feed given. The best treatment was obtained in treatment P3 with a coconut water concentration of 40%, which produced 91.84% male fish with a survival rate of 89.52%.
Growth and Maintenance of Barramundi (Lates calcarifer) Fed with Commercial Feed at BPBAP Situbondo Andriana, Ina Eka; Diamahesa, Wastu Ayu
Jurnal Media Akuakultur Indonesia Vol 5 No 1 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i1.6916

Abstract

This study evaluated the growth performance and maintenance of white seabass (Lates calcarifer) fed with commercial feed at BPBAP Situbondo. As a high-value aquaculture commodity with increasing market demand, white seabass farming faces challenges in seed production and growth optimization. The research monitored growth parameters, survival rate (SR), and water quality during a 4-month rearing period (February-June 2024) in concrete tanks (2.5×4×1.2 m). Results showed that commercial feeds (Megami/Skretting) administered via ad-satiation method (3-4x/day for juveniles <7cm, 2x/day for 8-14cm fish) supported growth, though size variation triggered cannibalism. Water quality parameters remained optimal (pH 7.49-8.17; salinity 33-34‰; ammonia 0.011-0.026 mg/L) per SNI 8036:2014 standards, contributing to an 83.98% SR. Key findings emphasize the critical role of routine grading to prevent cannibalism, strict feed management to minimize toxic waste accumulation (TAN peaked at 1.397 mg/L), and daily water exchange (100% replacement). The study concludes that integrated feed-water management significantly enhances white seabass productivity, recommending further research on nutrient-specific feed formulations and advanced filtration systems to address the 16% mortality rate.
Comparative Analysis of Chlorella vulgaris Cell Densities in Different Culture Systems Shalehah, Atiatun; Diamahesa, Wastu Ayu
Jurnal Media Akuakultur Indonesia Vol 5 No 1 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i1.6920

Abstract

Chlorella vulgaris is a cosmopolitan microalga with high nutritional value, widely utilized in aquaculture, pharmaceuticals, and biofuel production. This study evaluated its growth performance across three culture scales (laboratory bottle, carboy, and intermediate concrete tank) at BPBAP Situbondo from February to June 2024. The research aimed to analyze the influence of scale on biomass productivity and identify critical environmental factors. Results demonstrated significant growth variations among scales. The laboratory bottle (5 L) achieved the highest cell density (54 × 10⁶ cells/mL) on day 11, attributed to optimal light distribution and stable temperature (30–33°C). Carboy cultures (10 L) showed moderate productivity (31 × 10⁶ cells/mL), while the intermediate scale (700–800 L) yielded the lowest density (6.8 × 10⁶ cells/mL) due to light limitation and suboptimal aeration. Water quality parameters remained stable across all systems, with pH 8.0, salinity 30–34 ppt, and uniform light intensity (500 lux). Statistical analysis confirmed significant differences in growth rates (p < 0.05), highlighting the inverse relationship between scale size and productivity. The study concludes that small-scale systems offer superior environmental control for C. vulgaris cultivation. For mass production, design improvements—such as enhanced aeration, closed photobioreactors, and artificial lighting—are recommended to replicate laboratory-scale efficiency. These findings provide actionable insights for optimizing microalgae culture systems in aquaculture feed production.
The Effect Of Giving Maggot (Chrysomya megacephala) Maintained In Different Media On The Production Performance Of Nile Fish (Orechromis niloticus) Imam, Imam Agus Faisal; Scabra, Andre Rachmat; Asri, Yuliana
Jurnal Media Akuakultur Indonesia Vol 5 No 1 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i1.7084

Abstract

Nile tilapia is a high-value aquaculture commodity. Its production increased from 24.98% in 2018 to 26.76% in 2019, showing a 7.11% rise. In tilapia farming, feed is a major factor, but its high cost has encouraged the search for alternative feeds. Maggot offers a promising solution due to its low cost and high protein content (40–50%) along with essential amino acids. This research used an experimental method with a completely randomized design (CRD), consisting of 4 treatments and 3 replications: P1 (household waste), P2 (fruit waste), P3 (tofu dregs), and P4 (chicken manure). Egg hatching was carried out in plastic containers with a moist mixture of pellet and water. After one week, larvae were transferred to wooden rearing containers filled with 2 kg of each type of waste. The maggot rearing process lasted for two weeks. Maggots were harvested at three weeks old, then dried by roasting and used as fish feed. Tilapia were reared for 45 days in 12 aerated containers and fed maggots three times a day. Water quality was monitored weekly. The results showed that weight gain, specific growth rate (SGR), absolute length, specific length growth rate (SLGR), and blood glucose levels were significantly affected by the treatments. However, feed conversion ratio (FCR) and survival rate (SR) were not significantly different. The best results were obtained from P1 (household waste), with absolute weight gain of 11.42 g, SGR of 1.67%/day, absolute length of 4.92 cm, SLGR of 1.02%/day, FCR of 1.9, survival rate of 84.44%, and blood glucose level of 73.3 mg/dL.
Identification Of Salmonella sp. In Smoked Fish In Jayapura City Mantayborbir, Vyona; Indrayani, Ervina; Izaac, Fransina Alfonsina; Runtuboi, Dirk Y. P.
Jurnal Media Akuakultur Indonesia Vol 5 No 1 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i1.7099

Abstract

The purpose of this study was to assess the microbiological quality of smoked fish at the processing center in Jayapura City, Papua. 100 kilograms of smoked fish were tested, samples were taken from producers, distributors, and retailers at three distribution levels. Microbiological tests included identification of Salmonella sp. bacteria and Total Plate Count (TPS) tests. The results of the study were conducted using ANOVA and DMRT further tests at a significance level of 95%. The average TPS value at all distribution levels ranged between 3.379 and 3.509 log cfu/g, which is still within the safe limit for consumption (p>0.05). Each sample tested did not show any Salmonella sp. contamination. This study shows that smoked fish products in Jayapura City are microbiologically safe, but care during distribution needs to be improved, especially in terms of packaging and cleanliness, so that the product continues to satisfy consumers. Consumers can be more satisfied and shelf life can be extended with better hygiene, packaging, and better distribution chain management. The results of this study provide important insights for producers, consumers, and related parties about the quality of Jayapura smoked fish. This information can be used as a basis for fisheries policy and product quality improvement.
Identification Of Freshness Level Of Mackerel (Rastrelliger Kanagurta) In Tanjungsari Market, Sumedang Regency. Junianto, Junianto; Muhikun, Bahrun; Sigar, Yosia Petersen; Hanifa, Faiza; Putra, M Zidan; kusumah, Tiranti damayanti
Jurnal Media Akuakultur Indonesia Vol 5 No 2 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i2.7156

Abstract

Fresh fish or wet fish is fish that has not been or is not preserved with anythingexcept simply cooled with ice. Fish is said to have maximum freshness if its properties arestill the same as live fish, both in appearance, taste, and texture. The level of freshness offish can be identified or assessed organoleptically. Human senses are instruments used inVolume 5, Number 2, June 2025https://journal.unram.ac.id/index.php/jmai/index. E-ISSN : 2798-055331organoleptic tests, which include sight, smell, taste, touch and hearing. This study aims todetermine the level of freshness of mackerel and fresh fish at Tanjung Sari Marketorganoleptically. This research method is by taking mackerel samples and at 10.00 WIB,then its freshness is identified qualitatively through organoleptic observations. Samplingwas carried out on May 20, 2025. Organoleptic assessment is the most widely usedmethod in determining signs of fish freshness because it is easier and faster to do, doesnot require a lot of equipment, and does not require a laboratory. Subjective(organoleptic) determination of fish quality decline is carried out using a score sheet thathas been set by the National Standardization Agency SNI 01-2346-2006 (BSN 2006) andusing 5 (five) panelists. The parameters observed are the condition of the eyes, gills,mucus, meat, odor, and texture. For organoleptic observations, a detailed assessment (seethe score sheet table) is carried out on the fish in the range of values 1 to 9. In theorganoleptic testing of test fish sold in retail by traders at Tanjungsari market, the valuesobtained ranged from 7-8, which means that the fish still has good quality and meets therequirements set by SNI (2006), namely the standard for fresh fish for organoleptictesting, which is a minimum of 7.
Evaluation of Mutiara Strain Catfish Seed Production (Clarias sp.) at UPR Farm 169 Kubu Raya, West Kalimantan Khairah, Hylda; Wahyudin, Wahyudin; Effendi, Irzal
Jurnal Media Akuakultur Indonesia Vol 5 No 2 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i2.7238

Abstract

Mutiara catfish is one of the leading commodities in the freshwater fish farming sector in Indonesia. Catfish has the advantage of good meat quality, a fast growth rate, and can live at high density. The continuous availability of seeds is one of the key factors in meeting the demand for catfish seeds in West Kalimantan. This study aims to evaluate the catfish seed production system at Farm 169, Kubu Raya, West Kalimantan. The seeding process includes pond preparation, parent selection, spawning, egg hatching, larval maintenance and harvesting, feeding, and water quality management. The results of the fecundity calculation of pearl catfish obtained the number of eggs as many as 142.200, fertilization rate of 85.08%, hatching rate of 83.12%, and larval survival rate of 92.62%.
Identifikasi Jenis Siput (Gastropoda) Di Perairan Moudolung, Kabupaten Sumba Timur: Identification of Gastropod Species in the Waters of Moudolung, East Sumba Regency Ndahawali, Suryaningsih; Tega, Yatris Rambu
Jurnal Media Akuakultur Indonesia Vol 5 No 2 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v5i2.7243

Abstract

The intertidal zone is an area that has a narrow area because it borders land and is influenced by tides. The types of biota in tidal areas have high diversity. There are many types of biota such as fish, bivalves, coral reefs, gastroda and there are also types of plants such as macroalgae, seagrass and mangroves. One of the biota found in tidal areas is Gastropods from the phylum mollusca which has quite abundant species diversity. With location conditions such as sandy, muddy and rocky substrates. Moudong waters are waters that have rocky and muddy topography, so they are a place/habitat for gastropod species. The aim of this research was to see the level of diversity of gastropod types and nutritional content. The method used is the observation and line transect method, with 9 stations and 9 plots on each transect. Based on the results of research on the types of gastropods in Moudong waters, there are 5 types of gastropods, namely Oliva fordi, Telescopium Telescopium, Steromphala umbilicalis, Canarium labiatum, Familia muricidae. The level of diversity of gastropod species is low with an H' index < 2.0, because there is only 1 type at each sampling station. For nutritional content (proximate analysis results), it was found that the nutritional content of the gastropod species obtained in Moudolung waters was quite high, one of which was that the protein content of each type was quite high.

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