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Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Published by Universitas Syiah Kuala
ISSN : 20897790     EISSN : 25026194     DOI : 10.13170/depik
Core Subject : Science, Education, Engineering,
Earth & Planetary Sciences Education Engineering
Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan is a peer review international journal, this journal is publishing high-quality articles in aquatic sciences and fisheries in general. The aim of the journal is to publish and disseminate the current or new findings of the research, and give a significant contribution to the development of fisheries and aquatic sciences in several topics, but not limited to: Fisheries (Aquaculture, Capture Fisheries, Fish Processing) Aquatic Ecology (Freshwater, Marine, and Brackishwater) Aquatic Biology (Fish, Mollusk, Crustacean, Plankton, Coral reefs) Oceanography.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Ilmu Bumi dan Planet (Lain-Lain)
Articles 563 Documents
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Manipulation of the aquatic environment to optimize the natural spawning of sunu grouper (Plectropomus leopardus) in controlled tanks Mubarrak, M. Deni Feraro; Kusumanti, Ima; Wiyoto, Wiyoto; Muzaki, Ahmad
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.32394

Abstract

Aquaculture within culture techniques is needed to support the optimization of a number of juveniles which sunu grouper natural spawning techniques. To optimize the natural spawning of Sunu Grouper (Plectropomus leopardus) its is needed to know in details about the environment condition. Random design method by using several treatments consisted of one factor, temperature, and consisted of four treatments which are 26, 28, 30, and 32 which were repeated five times. Five steps were conducting start with the preparation, acclimatization of the eggs, stocking, and hatching of the eggs, and larval maintenance. Good quality feed is required to support gonad development and egg quality during brood stock-rearing. Environmental management of culture within culture techniques is needed to support the optimization of the number of juveniles. Temperature changes made by raising and lowering the temperature are a form of stimulation that trigger spawning to occur naturally.Keywords:aquacultureaquatic environmentsunu grouper
The effect of cryoprotectant on the viability and motility of goldfish Carassius aurtus sperm after 48 hours refrigerated Nurlaili Nurlaili; Itsnatani Salma; Kartini Eriani; Siti Maulida; Zainal Abidin Muchlisin
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.3.28480

Abstract

The principle of sperm preservation is to prolong the viability of spermatozoa by reducing the degree of metabolism during storage at low temperatures, and one method involved was a cryoprotectant as a sperm protector. This study aimed to determine the best type of cryoprotectant for refrigeration storage of goldfish Carrasius auratus sperm. A completely randomized design was used, and five types of cryoprotectant were tested, namely Methanol, Ethanol, Ethylene Glycol, Glycerol, and DMSO at a 10% concentration combined with 15% egg yolks. The sperm was diluted with Ringer’s solution and stored at 4⁰C for 48 hours. The ANOVA test revealed that cryoprotectant significantly affected the motility and viability of sperm after 48 hours of refrigeration (P0.05). The results showed that 10% DMSO combined with 15% egg yolk could maintain sperm motility and viability better than other treatments, with values of 85.80% and 86.50%, respectively, which were significantly different from the other treatments. Glycerol produced the second-best sperm quality with motility and viability values of 71.13% and 74.13%, respectively. Therefore, DMSO is the most effective cryoprotectant for refrigeration storage of goldfish sperm.
Analysis of catches data collection system at Fish Landing Base (PPI) of Dumai Ratu Sari Mardiah; Sri Yenica Roza; Edy Miswar
Depik Vol 10, No 2 (2021): August 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.10.2.18565

Abstract

Data collection system in Fish Landing Base of Dumai was traditionally. Data written manually using books and collected by agents. This fact illustrates the weakness of the catch data collection system that occours. The effect is low data accuracy and requires a longer time in reporting. Data collection system based on technology will facilitate the process and important to do. The purpose of this study was to design a data collection system for fish catches landed at Fish Landing Base of Dumai. The research was conducted in February-June 2020 in Dumai city. The method used observation, interviews and literature review. Data analysis is used the process of analyzing data, literature review, analysis of existing systems, analysis of new systems and system design using data flow diagrams (DFD), entity relationship diagrams (ERD) and HIPO. System design starts from input, output and database design. The data design inputted is fishermen data, fishing gear, fish production and price of day, fish distribution, customer data and data employees. The output data are reports of user data, fishing gear specifications, fish production and fish distribution. The database is structured and presented using a flow chart. A technology-based of catch data collection system designed to improve the efficiency of the presentation of the reports needed for agencies.Keywords:Fish LandingDFDReportAgencies
Hubungan ukuran kapal, panjang jaring, tenaga mesin, dan material rumpon terhadap hasil tangkapan purse seine: Studi kasus di Pelabuhan Perikanan Nusantara (PPN) Idi Rayeuk, Kabupaten Aceh Timur Makwiyah A. Chaliluddin; Junaidi M. Affan; Syahrul Ramadhan; Yulia Safitri Ismail; Fachrorazi Amir; Muhammad Muhammad; Thaib Rizwan; Alvi Rahmah; Fitri Indah Yani; Sayyid A El-Rahimi
Depik Vol 8, No 3 (2019): December 2019
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.8.3.15103

Abstract

Abstract. Each region has different boat sizes, fishing gear sizes, engine power, and fish agregating device (FAD)material, allegedly having different catches. The relationship between the length of the net, engine power, fishing vessel size, usually influences the catch of the fish. This study aims to determine the effect of fishing vessel size, engine power, net length and FAD material on catches volume. The study was conducted using descriptive methods conducted on 14 February-14 March 2019 in Idie Rayeak, Aceh Timur, Aceh Province. Data were analyzed  by multiple linear regression analysis. The results showed that engine power, net length and FAD material had a significant effect on the catch volume, while the fishing vessel size had no significant effect on the catch volume.Keywords: fishing vessel size, length of net, engine power, FAD material Abstrak. Setiap daerah memiliki ukuran kapal, ukuran alat tangkap, tenaga mesin, serta material rumpon yang berbeda-beda, diduga memiliki hasil tangkapan yang berbeda pula. Hubungan antara panjang jaring, tenaga mesin, ukuran kapal, biasanya berpengaruh terhadap hasil tangkapan ikan. Penelitian ini bertujuan untuk mengetahui pengaruh ukuran kapal, tenaga mesin, panjang jaring dan material rumpon terhadap hasil tangkapan. Penelitian dilakukan dengan menggunakan metode deskriptif yang dilakukan pada bulan 14 Februari - 14 Maret 2019 di perairan Idi Rayeak Aceh Timur, Provinsi Aceh.  Data dianalisis  dengan analisis regresi linier berganda. Hasil penelitian menunjukkan bahwa tenaga mesin, panjang jaring dan material rumpon mempunyai pengaruh yang signifikan terhadap hasil tangkapan, sedangkan ukuran kapal tidak mempunyai pengaruh yang signifikan terhadap hasil tangkapan.Kata kunci: Ukuran kapal, panjang jaring, tenaga mesin, material rumpon
Pemetaan batimetri sebagai informasi dasar untuk penempatan fish apartment di perairan Bangsring, Kabupaten Banyuwangi, Jawa Timur (Bathymetry mapping as basic information for fish apartment placement in Bangsring waters, Banyuwangi, East Java) M. Arif Zainul Fuad; Abu Bakar Sambah; Andik Isdianto; Awalrush Andira
Depik Vol 5, No 3 (2016): December 2016
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.5.3.5655

Abstract

The objective of the present research was to map the bathymetry of the Bangsring coastal area, Banyuwangi. Depth data obtained are used to consider the suitable location for fish apartment placement. The depth of the water was measured using a single beam echosounder with a frequency of 50 Hz. The data obtained by sounding process corrected by Tidal data. The tidal data measured during sampling with the observation interval of 30 minutes. The tidal correction was performed to get the depth value relative to lowest Water Surface (LWS). The results showed the depth of the Bangsring coastal area ranged from 2-49 meters. The deepest region is in the southeast of the research area. Based on the depth of the waters, the locations that can be an alternative placement of fish apartment is located by distance of 200- 250 meters in front of Bangsring coastal area with total area  approximately 30 HaPenelitian ini bertujuan untuk memetakan kedalaman perairan Bangsring, Banyuwangi. Data kedalaman yang didapat dari pemeruman selanjutnya digunakan sebagai pertimbangan untuk mencari alternatif lokasi penempatan fish apartment. Kedalaman perairan di ukur menggunakan Single Beam Echosounder dengan frekuensi 50 Hz. Pemeruman dilakukan selama 2 hari yaitu pada tanggal 17 dan 18 Maret 2016 dengan metode zig zag . Hasil pengukuran kedalaman selanjutnya di koreksi terhadap pasang surut. Pasang surut diukur selama pelaksanaan pemeruman dengan interval pengamatan 30 menit. Koreksi pasang surut dilakukan untuk mendapatkan nilai kedalaman relatif terhadap Lowest Water Surface (LWS). Hasil penelitian menunjukkan kedalaman Perairan Bangsring Berkisar antara 2-49 meter. Wilayah terdalam berada dibagian tenggara area penelitian. Berdasarkan kedalaman perairan tersebut, maka lokasi Perairan di Bangsring yang dapat dijadikan alternatif penempatan fish apartment adalah di perairan depan pantai bagian timur dengan jarak sejauh 200-250 meter dari garis pantai Bangsring dengan luas 30 Ha
Model of nitrogen-phosphorus ratio and phytoplankton relationship in lake Laut Tawar, Indonesia Adhar, Saiful; Khalil, Munawwar; Erlangga, Erlangga; Muliani, Muliani; Rusydi, Rachmawati; Mainisa, Mainisa; Imanullah, Imanullah; Andika, Yudho
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.33935

Abstract

Phytoplankton blooms in the lake cause ecological, economic, health, energy, and aesthetic losses. It reduces water quality and biota diversity, creates toxins in the waters, and changes the structures and functions of the ecosystem. The essential nutrients for the growth of phytoplankton are nitrogen and phosphorus. Controlling phytoplankton growth can be managed by controlling the limiting nutrient input. This study aims to identify the limiting nutrient, analyze variations in TN:TP ratio spatially and temporally, and model TN:TP ratio and chlorophyll-a relationship. This study used secondary data from previous studies, namely TN, TP, and chlorophyll-a observed monthly in seven stations purposively during a year. Rainfall data was also obtained from the previous study. Limiting nutrients were determined by Redfield theory, and data were analyzed by Spearman correlation, One-way ANOVA, Kruskal-Wallis, and regression analysis. The results showed phosphorus was a limiting nutrient for phytoplankton growth in Lake Laut Tawar. TN:TP ratio and chlorophyll-a did not vary spatially, indicating the lake surface waters were evenly mixed. The parameters varied temporally, expressing the influence of hydroclimatological factors, especially rainfall. Rainfall increases nutrient input to the lake, but only rain below 200 mm/month causes an increase in the concentration of nutrients in the lake. The rainfall above 200 mm/month increases lake water volume significantly, thereby reducing nutrient concentrations. TN:TP ratio and chlorophyll-a related negatively and formed a non-linear relationship with an empirical model Chlorophyll-a = 2770.285 (TN/TP)-1.871. Eutrophication of Lake Laut Tawar should be anticipated by controlling the anthropogenic phosphorus input.Keywords:AnthropogenicChlorophyll-aEutrophication,Limiting nutrientRainfall
Study of Organic Carbon (OC), and Calcium Carbonate (CaCO3) in the coastal area of Aceh Besar Sayed Abdul Azis; Muhammad Irham; Sugianto Sugianto
Depik Vol 11, No 2 (2022): August 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.2.24243

Abstract

Most of the coastal areas of Aceh Besar are areas of accumulation of organic compounds, one of which is Organic Carbon (OC). The purpose of this study was to analyze the chemical content by looking vertically at the content of OC, soil pH and Calcium Carbonate (CaCO3) on the coast of Aceh Besar District. Analysis of the OC content using the Walkley and Black method, while to analyze the Calcium Carbonate (CaCO3) using the Titrimetric method. Especially for the analysis of soil pH, only use a pH meter. The results showed that each station had different levels of OC and carbonate. Generally, the presence of OC decreases with depth, while the carbonate content varies. Especially for soil pH, the pH is relative to the alkaline state for each depth. The range of OC content for all stations is 0.18 – 2.48%, Carbonate 5.36 – 13.27% and pH 6.37-8.73.Keywords:CoastalOrganic CarbonCarbonateSoil pH
Komposisi dan distribusi ukuran hasil tangkapan sampingan bubu ekor kuning di Perairan Kepulauan Seribu Mokhamad Dahri Iskandar; Sugeng Hariwisudo; Budi Hascaryo Iskandar; Mulyono S Baskoro
Depik Vol 9, No 3 (2020): December 2020
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.9.3.18580

Abstract

Bycatch is non-target species which mostly caught at fishing operation. High quantity of bycatch mortality was predicted as one factor of fish stock depletion. Additionally, the high demand to improve fisheries production will be able to lead over fishing. This situation will affect improvement of bycatch and discarded species which will endanger the fish stock. The objective of this research was to identify bycatch composition, ratio between target species and bycatch and size distribution of dominant bycatch at yellow tail fishing operation in Seribu Islands. The research was carried out at Seribu Islands on July-August 2020. The fishing activity used pot with size length x width x height : 100 x 75 x 32.5 cm. Result of research indicated that yellow tail pot bycatch was dominated by brownstripe snapper (Lutjanus vitta) with catch amount of 330 fishes ( 15.9% of total catch) and weight of 50,861 kg (11.5% of total catch weight) followed by squirrelfishes (Sargocentron rubrum) with catch amount of 324 fishes (15.6 % of total catch) and weight of 51,181 kg (11.6%). Another dominant bycatch was striped spinecheek (Scolopsis margaritiferus) with catch amount of 289 fishes (13.9% of total catch) and weight of 40,042 kg (9.1% of total weight). Ratio of target of catch : bycatch in weight was 42.6% : 57.4%. It means, to catch 1 kg of yellow tail there will be caught 1.7 kg bycatch. Total length size of brownstripe snapper at range of 12-27 cm, squirrelfishes at range of 9-27 cm and striped spinecheek at range of 11-29 cm.Keywords:BycatchPotDiscard speciesYellow tailCatch compositionABSTRAKHasil tangkapan sampingan merupakan spesies hasil tangkapan non target yang relatif tinggi tertangkap pada operasi penangkapan. Tingginya jumlah kematian hasil tangkapan sampingan diduga menjadi salah satu penyebab menurunnya stok sumberdaya ikan di seluruh penjuru dunia. Adanya permintaan yang tinggi untuk meningkatkan produksi perikanan dapat memicu peningkatan upaya penangkapan secara berlebihan. Kondisi ini mengakibatkan hasil tangkapan sampingan akan meningkat dengan meningkatnya upaya penangkapan sehingga membahayakan stok dan populasi sumberdaya ikan. Penelitian ini bertujuan untuk mengidentifikasi komposisi hasil tangkapan sampingan, rasio antara hasil tangkapan utama dengan hasil tangkapan sampingan dan ukuran hasil tangkapan sampingan dominan yang tertangkap pada operasi penangkapan ikan ekor kuning di Perairan Kepulauan Seribu. Penelitian dilakukan di Perairan Kepulauan Seribu pada bulan Juli-Agustus 2020 dengan menggunakan bubu ekor kuning (ukuran p x l x t : 100 x 75 x 32,5 cm). Hasil penelitian menunjukan bahwa hasil tangkapan sampingan bubu ekor kuning didominasi oleh ikan kakap (Lutjanus vitta) dengan total jumlah hasil tangkapan mencapai 330 ekor ( 15,9%) dengan total bobot mencapai 50.861 kg (11,5%) disusul oleh ikan swanggi (Sargocentron rubrum) mencapai 324 ekor (15,6 %) dengan total bobot hasil tangkapan sebesar 51.181 kg (11,6%) dan ikan serak (Scolopsis margaritiferus) dengan jumlah hasil tangkapan mencapai 289 ekor (13,9%) dan bobot sebesar 40.042 kg (9,1%) dari total bobot hasil tangkapan bubu ekor kuning. Proporsi bobot hasil tangkapan utama dibanding dengan hasil tangkapan sampingan adalah 42,6% : 57,4%. Hal ini berarti untuk menangkap 1 kg ekor kuning maka akan tertangkap 1,354 kg hasil tangkapan sampingan. Ukuran hasil tangkapan sampingan dominan yang tertangkap pada bubu ekor kuning meliputi ikan kakap yang tertangkap pada selang ukuran panjang total 12-27 cm, ikan swanggi dengan selang ukuran panjang total berkisar 9-27 cm dan ikan serak dengan selang ukuran panjang total berkisar antara 11-29 cm.Kata kunci:Hasil tangkapan sampinganBubuDiscard spesiesIkan ekor kuningKomposisi hasil tangkapan
Keanekaragaman, Zonasi Serta Overlay Persebaran Bentos di Sungai Keyang, Ponorogo, Jawa Timur Vivin Alfyana Yulia Pratami; Prabang Setyono; Sunarto Sunarto
Depik Vol 7, No 2 (2018): August 2018
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.7.2.9881

Abstract

Abstrak. Bentos merupakan organisme yang hidup sesil atau menetap di dasar sungai, dan dapat digunakan sebagai indikator pencemaran lingkungan. Penelitian ini bertujuan untuk menentukan keanekaragaman bentos, untuk mengetahui zonasi serta overlay persebaran bentos di Sungai Keyang, Kabupaten Ponorogo, Jawa Timur. Pengambilan sampel dilakukan pada bulan Oktober-November 2017 dengan metode plot/transek, penghitungan, dan analisis laboratorium. Terdapat 3 stasiun pengamatan, masing-masing stasiun terdiri dari 3 transek dan 9 plot. Pengukuran faktor lingkungan meliputi suhu, turbiditas, pH, kandungan bahan organik, DO, BOD, dan tekstur substrat. Hasil dari penelitian diperoleh 7 famili dan 14 spesies bentos. Hasil pengukuran indeks keanekaragaman (H’) yaitu 1,37-2,12 termasuk dalam kategori sedang, memiliki kemerataan yang tinggi (2,12-2,28), dan dominansi rendah (0,13-0,30). Kesimpulan dari penelitian ini adalah keanekaragaman bentos di Sungai Keyang termasuk dalam kategori sedang, zonasi dan overlay persebaran bentos pada bagian tepi dan tengah didominasi oleh Melanoides dan Tarebia, sedangkan pada bagian tergenang didominasi oleh Melanoides dan Cordulegaster.Kata kunci: bentos, keanekaragaman, Sungai Keyang, overlay persebaran, zonasi
Pengaruh penggorengan belut sawah (Monopterus albus) terhadap komposisi asam amino, asam lemak, kolesterol dan mineral Ika Astiana; Nurjanah .; Ruddy Suwandi; Anggraeni Ashory Suryani; Taufik Hidayat
Depik Vol 4, No 1 (2015): APRIL 2015
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.1.1.2366

Abstract

Abstract. The nutrition contains on eel flash aremainly amino acids, fatty acids, cholesterol, and mineral. The chemical content of foods are change during frying process. The aim of this research was to studythe rendemen, proximate composition (moisture, ashes, protein, and fat content), and analyzing the influence of deep fryingon amino acids, fatty acids, cholesterol, and mineralof eel. The research  measures were eel morfometric which includes length, diameter, circumference, total weight, yield, proximat,  amino acids, fatty acids, cholesterol, and mineral analysis on fresh eel and  after frying in 180 oC temperature for 5 minutes.Rendemen of fried eel reducedabout 26%. The increasing of  proximate levels were found on ashes by 2.56% and  fat by 14.47% while water, protein, and carbohydrate were decreased about 55.43%, 2.84%, and 14.19% respectively. All of the eel amino acids were decrease after deep frying. The highest non essensial amino acid on fresh and fried eel were glutamic acids by 12,89 g/100g and 9,06 g/100g respectively, and essensial amino acid were lisin by 7,13 g/100g and 4,91 g/100g respectively. Limit amino acid on fresh and fried eel were histidine by 1,54 g/100g and 1,18 g/100g respectively.Deep frying could increase palmitic acid by 17.37%, oleic acid by 24.31%,and EPA by 1.42%. Cholesterol content average of fresh eel was 30.15 mg /100 grams and fried eel was 170.44 mg /100 grams. Calcium, natrium, kalium, magnesium, iron, and zinc are decrease and the copper wereincrease.Keywords : composition; eel; heating; nutrition; processingAbstrak. Kandungan gizi dalam daging belut sawah diantaranya adalah asam amino, asam lemak, kolesterol, dan mineral. Proses penggorengan dapat mempengaruhi kandungan kimia suatu bahan pangan. Penelitian ini bertujuan untuk mempelajari rendemen, komposisi proksimat (air, abu, protein, dan lemak) serta menganalisis pengaruh penggorengan terhadap kandungan asam amino, asam lemak, kolesterol, dan mineral belut sawah. Penelitian mencakup pengukuran morfometrik belut sawah segar yang meliputi panjang, diameter, lingkar badan, dan berat total, pengukuran rendemen, analisis proksimat, analisis asam amino, asam lemak, kolesterol, dan analisis mineral pada belut sawah segar dan setelah penggorengan dengan suhu 180 oC selama 5 menit.Rendemen belut goreng mengalami susut sebesar 26%. Perubahan kadar proksimat adalah peningkatan kadar abu sebesar 2,56% dan peningkatan kadar lemak sebesar 14,47%. Penurunan terjadi pada kadar air yaitu sebesar 55,43%, protein sebesar 2,84%, dan karbohidrat sebesar 14,19%. Keseluruhan kandungan asam amino belut mengalami penurunan setelah penggorengan. Asam amino non esensial tertinggi pada belut sawah segar dan goreng adalah asam glutamat yaitu 12,89 g/100g dan 9,06 g/100g, sedangkan asam amino esensial yang tertinggi adalah lisin yaitu 7,13 g/100g dan 4,91 g/100g. Asam amino pembatas pada belut sawah segar dan goreng adalah histidin yaitu 1,54 g/100g dan 1,18 g/100g. Proses penggorengan dapat meningkatkan kandungan asam palmitat sebesar 17,37%, asam oleat sebesar 24,31%, dan EPA sebesar 1,42%. Kandungan kolesterol rata-rata belut segar adalah 30,15 mg/100 gram dan belut goreng adalah 170,44 mg/100 gram.Mineral  kalsium, natrium, kalium, magnesium, besi, dan seng juga mengalami penurunan sedangkan tembaga mengalami kenaikan.Kata kunci :belut sawah; komposisi; gizi; pemanasan; pengolahan            

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