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A. Shofy Mubarak
Departemen Kelautan, Fakultas Perikanan Dan Kelautan, Universitas Airlangga
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The population growth and the nutritional status of Moina macrocopa feed with rice bran and cassava bran suspensions Mubarak, Ahmad Shofy; Jusadi, Dedi; Junior, Muhammad Zairin; Suprayudi, Muhammad Agus
Jurnal Akuakultur Indonesia Vol. 16 No. 2 (2017): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3490.003 KB) | DOI: 10.19027/jai.16.2.223-233

Abstract

ABSTRACT Moina macrocopa culture density can be improved by optimizing the fecundity, and somatic growth through the regulation of quality and quantity of feed. The purpose of this study were to determined how to use effectively the rice bran and cassava bran Manihot utilisima suspension on Moina, based on population, neonates production, adult percentage, biomass, metabolisme and nutritional state. In this study, Moina were cultured for eighth days using four concentrations of rice bran suspension and three concentrations of cassava suspension. This research found that M. macrocopa culture with rice bran suspension has higher population, neonates production, adult percentage and biomass than its culture with cassava bran suspension (P<0.05). This study also found that Moina culture with rice bran suspension has higher total value of RNA, total value of DNA, the ratio RNA/ DNA, FCR, and concentration of protein and amino acid than Moina culture with cassava bran suspension. Treatment D with the initial rice bran suspension concentration was 0.3 mL/L  and was increased starting the second day and the end concentration on the eighth day was 1.2 mL/L has highest peak population of Moina 17,975 ind/L in seventh day, weight wet biomass 439 mg/L in eighth day and lower FCR 0.94. Keywords: suspension, rice bran, cassava, population, ratio RNA/DNA  ABSTRAK Kepadatan populasi dalam budidaya Moina macrocopa dapat ditingkatkan dengan mengoptimalkan fekunditas dan pertumbuhan somatik melalui pengaturan kualitas dan kuantitas pakan. Penelitian ini bertujuan untuk menganalisis efektifitas pengunaan pakan suspensi dedak dan tepung ketela pohon Manihot utilisima dalam budidaya M. macrocopa terhadap populasi, produksi anak per induk, persentase dewasa, biomasa, FCR, dan metabolismenya (asam amino, DNA, RNA, dan RNA/DNA). Di dalam penelitian ini, M. macrocopa dibudidayakan selama delapan hari  menggunakan empat konsentrasi suspensi dedak dan tiga konsentrasi suspensi tepung  ketela pohon. Hasil penelitian ini menunjukkan bahwa, budidaya M. macrocopa dengan pakan suspensi dedak menghasilkan populasi, produksi anak/induk, persentase dewasa dan biomasa yang lebih tinggi dibandingkan budidaya Moina dengan pakan suspensi ketela pohon (P<0,05). Budidaya M. macrocopa dengan pakan suspensi dedak juga menghasilkan total RNA, total DNA dan  nisbah  RNA/DNA, konsentrasi protein, dan asam amino yang lebih tinggi dibandingkan Moina dengan pakan suspensi ketela pohon. Perlakuan D dengan pakan suspensi dedak awal 0,2 mL/L dan meningkat mulai hari kedua dengan konsentrasi hari kedelapan 1,2 mL/L menghasilkan puncak populasi tertinggi pada hari ketujuh sebanyak 17.975 ind/L, berat basah biomasa hari kedelapan kultur 439 mg/L, dan FCR yang rendah yaitu 0,94.   Kata kunci: suspensi, dedak, ketela pohon, populasi, nisbah RNA/DNA
Nutrient Concentration, Water Brightness, Chlorophyll-a, and Phytoplankton Abundance as Indicators for Determining the Trophic Status of Lake Toba, North Sumatera - Indonesia Friska Setiawani Saragih; Hasim Djamil; Juanda Juanda; Ahmad Shofy Mubarak; Veryl Hasan; Agusmanto Sihombing; Woro Hastuti Satyantini
Journal of Aquaculture and Fish Health Vol. 13 No. 3 (2024): JAFH Vol. 13 No. 3 September 2024
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v13i3.57981

Abstract

The purpose of this study was to investigate the water quality and phytoplankton abundance in Lake Toba to determine its trophic status. This research was conducted from January to March 2024 at four stations in Lake Toba. Water samples were taken using a UWITEC water sampler and a plankton net and brought to the laboratory for analysis. The study measured physical and chemical water quality and phytoplankton abundance. The results showed a brightness ranging between 5.8 and 6.3 meters, chlorophyll-a content <10 µg/L, total nitrogen <750 µg/L, and phosphorus ranging from 20 µg/L to 30 µg/L. Based on these parameters, the nutrient quality of Lake Toba was classified as mesotrophic. Phytoplankton abundance ranged from 22,514 to 33,475 individuals/L, with 33 genera identified across nine classes: Bacillariophyceae, Chlorophyceae, Cyanophyceae, Coscinodiscophyceae, Dinophyceae, Euglenida, Fragilariophyceae, Mediophyceae, and Zygnemophyceae. The diversity index (H') was 2.631 - 2.723, the uniformity index (E) was 0.828 - 0.872, and the percentage of blue-green algae was 14.75 - 20.85. Zygnemophyceae was the most dominant phytoplankton class, with Staurastrum sp. being the most prevalent species. In conclusion, Lake Toba's waters are categorized as mesotrophic based on the chemical parameters and as eutrophic based on phytoplankton abundance, indicating potential nutrient enrichment issues that warrant further investigation.
Analysis of Distribution and Season of Crab (Portunus pelagicus) in Indonesia Waters Dimas Jaya Subakti; Ahmad Shofy Mubarak; Annur Ahadi Abdillah
Grouper Vol. 16 No. 1 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i1.279

Abstract

Blue swimming crab (BSC) (Portunus pelagicus) is an Indonesian export commodity for America. The distribution of BSC can be found in the seas of Java, Madura, Sumatra, Bangka Belitung, Kalimantan and Sulawesi. Differences in BSC habitat conditions and climatic conditions in various Indonesian marine locations influence the distribution and abundance of BSC in each location. Information on the distribution and seasonality of BSC in Indonesian seas is still limited. Analysis of the distribution and season of BSC in Indonesian seas based on a study of catch numbers for 2022-2023 PT Kelola Mina Laut. The highest number of catches was in the Madura, West Java and East Java regions, with the lowest number of catches in the Sulawesi and Bangka Belitung regions. The highest total catch occurred in quarter 2 (April-June) and the lowest total catch occurred in quarter 3 (July-September). This research data can be a basis for developing and exploring the potential of BSC in several Indonesian marine locations, but further analysis needs to be carried out regarding other factors that can influence the distribution and season as well as the catch of BSC fishermen in Indonesian seas.
Glucose Levels and Bacteria Identification in Cantang Groupers Distributed from Hatchery Bali Lilis Cahaya Septiana; Gunanti Mahasri; Ahmad Shofy Mubarak; Lia Oktavia Ika Putri
Grouper Vol. 16 No. 1 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i1.302

Abstract

Cantang grouper is a hybridization between female tiger grouper and male kertang grouper. Transporting fish using a closed transportation system can cause stress, which results in increased blood glucose levels in fish as a secondary physiological response. This study aims to analyze blood glucose levels and identify bacteria in cantang grouper (Epinephelus fuscoguttatus lanceolatus) distributed from hatcheries in Bali. The results showed that the average blood glucose level reached 102 mg/dL, higher than the normal range (27–56 mg/dL), indicating that the fish experienced stress due to bacterial infection and the transportation process. The cantang grouper observed had been infected with Vibrio alginoliticus bacteria with the lowest TVC value of 98 x 105 CFU/mL and the highest 239 x 105 CFU /mL. The relationship between blood glucose and TVC values is positively correlated. The higher the blood glucose, the higher the TVC value in cantang grouper. Bacterial identification revealed the presence of Vibrio alginolyticus, a major pathogen causing vibriosis in marine fish. This study highlights the importance of improving transportation systems and implementing strict biosecurity to reduce stress and infection in cantang grouper
The Effect Of Traditional Saline Solution Concentration And Fermentation Duration On The Quality Of Tilapia Sauce Leody Yuwono Putra; Moch. Amin Alamsjah; Dwi Yuli Pujiastuti; Shofy Mubarak
Grouper Vol. 16 No. 1 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i1.306

Abstract

The fermentation process has been known for a long time, this process basically occurs in a food. At the beginning of its appearance, the fermentation process is used by many western countries to create a food that has many flavors. In tilapia, there are carbohydrates, protein, fat, as well as a number of vitamins B3, B12, potassium, phosphorus, and selenium. For many people, besides being high in nutrition, and having a savory and sweet taste, fish sauce is also very easy to make and the cost to make it is quite cheap and doesn't take a long time. The aim of this study was to determine the effect of traditional salt concentration and the effect of fermentation time on the quality of fish sauce. The research method used was an experiment with Completely Randomized Design (CRD) as the experimental design. The treatments used were the addition of saline solution concentration and fermentation duration, each treatment was repeated 3 times. The independent variables in this study were the concentration of traditional salt used and the time of fermentation. The controlled variables in this study were Streptococcus lactis bacteria, pineapple fruit, temperature, pH and tilapia. The dependent variable measured was the quality of tilapia fish sauce using proximate analysis and NaCl test in percent (%). In this investigation, the optimal treatment was a 7-day fermentation with a 5% saline solution concentration (W3K1), with a protein content of 17.38%, water content of 68.66%, ash content of 8.12%, fat content of 10.85%, and 0% carbohydrate content
Zoo Benthic Biodiversity as a Bioindicator in the Bengawan Solo Estuary Elva Qurrota Fu'adah; Ahmad Shofy Mubarak; Sulistiono; Nina Nurmalia Dewi; Annur Ahadi Abdilah; Prima Almira; Firman Budi Cahyadi; Juni Triastuti
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): 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.vi.56185

Abstract

Graphical Abstract   Highlight Research Salinity is the critical influencing the distribution of macrobenthos species based on habitat (seawater and freshwater species) in estuaries. The brackish water station exhibited the highest macrobenthos abundance, whereas the seawater station showed the highest meiobenthos abundance. Corresponding water quality parameters markedly influenced the abundance of each benthic group. The calculation of abundance and biological indexes classified the Bengawan Solo estuary as relatively stable.     Abstract As key aquatic organisms, benthos are a reliable indicator of water quality owing to their relatively fixed habitats, limited mobility, and residence at the bottom of the water. This study aimed to analyze benthos’ biodiversity and community structure as bioindicators in the waters of the Bengawan Solo estuary that important for fishery activities conducted by local fishermen community. A descriptive analysis method was employed, involving identifying and analyzing benthos in density, biological indexes, and principal component analysis (PCA). The macrobenthos species composition consisted of Gastropoda, Bivalvia, Maxillopoda, Malacostraca, Polychaeta, and Clitellata while meiobenthos comprised Foraminifera, Bivalvia, Gastropoda, and Polychaeta. Macrobenthos density was 288 ind./m2, whereas meiobenthos density was 16 ind./10 cm2. Both macrobenthos and meiobenthos exhibited a moderate diversity index and a medium evenness index, although evenness values tended to be higher in macrobenthos. The dominance index for both macrobenthos and meiobenthos showed moderate values. PCA analysis revealed that macrobenthos, Bivalvia, Gastropoda, and Clitellata density was influenced by brightness and turbidity, Malacostraca and Maxillopoda density by salinity, and Polychaeta density by dissolved oxygen. In meiobenthos, Gastropoda and Foraminifera density was influenced by salinity, whereas Bivalvia and Polychaeta density was affected by brightness and turbidity. Density and biological index results indicate that the Bengawan Solo estuary is relatively stable.
Catfish (Pangasius hypophthalmus) Skin as a Nanocollagen Source: Impact of Extraction Time and Acetic Acid Concentration with Ultrasonication Assistance Carattri, Money; Shofy Mubarak, Ahmad; Sulmartiwi, Laksmi
Journal of Marine and Coastal Science Vol. 14 No. 2 (2025): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i2.72265

Abstract

Collagen extraction with high acetic acid can affect the characterization and damage the collagen structure, which then affects the level of temperature stability in collagen, so a combination method is needed to reduce the use of acetic acid in collagen extraction. Collagen extraction with a combination method with ultrasonication is more efficient and can help with these problems. Extraction of catfish skin collagen using a combination of acetic acid concentration and ultrasonication time can accelerate collagen extraction, reduce the use of acetic acid, and improve collagen structure. The aim of this study is to assess the potential of catfish (Pangasius hypophthalmus) skin as a nano collagen source through the combination of extraction time variation and acetic acid concentration under ultrasonication treatment. This study used a completely randomized design (CRD). Preparation of catfish skin collagen using acetic acid solvents with concentrations of 0.1 M and 0.2 M with ultrasonication times of 150 minutes and 200 minutes in four treatments with three repetitions. Analysis of statistical test data using Analysis of Variance (ANOVA) followed by Tukey's test. The results of this study indicate that the combination of varying acetic acid concentrations and ultrasonication times has a significant effect (P<0.05) on the collagen yield parameters from catfish skin. The highest yield was obtained with the treatment of 0.2 M acetic acid and 200 minutes of extraction time, resulting in a wet collagen yield of 85.18% and a dried collagen yield of 1.75%. The amino acid content consisted of 23.96% glycine and 17.40% proline. These findings demonstrate that catfish skin (P. hypophthalmus) has the potential to be developed as a raw material for nanocollagen development through variations in extraction time and acetic acid concentration using the ultrasonication method.
Collagen Extraction from Red Snapper (Lutjanus malabaricus) Scales via Hydroextraction: Toward Nanocollagen Development Mayangsari, Cholivia; Mahasri, Gunanti; Shofy Mubarak, Ahmad
Journal of Marine and Coastal Science Vol. 14 No. 2 (2025): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i2.72271

Abstract

Generally, collagen is isolated using acid, base and enzymatic hydrolysis methods. However, this has the constraint of the length of time for the release of procollagen to produce collagen. Acetic acid hydrolysis combined with the hydroextraction method is one alternative to produce quality collagen. The use of acetic acid in the extraction of red snapper scales (Lutjanus malabaricus) will produce H+ ions to release procollagen in the raw material. The study aims to evaluate the potential of red snapper (L. malabaricus) scales as a collagen source through the hydroextraction method for the development of nanocollagen formulations. This study used a completely randomized design (CRD). Isolation of red snapper scales collagen using acetic acid solvent concentrations of 1 M; 1.5 M and 2 M with a hydrolysis time of 2 hours and hydroextraction for 2 hours with three repetitions. The parameters observed in this study were the proximate of collagen raw materials, collagen yield, and collagen amino acids. The data analysis results were tested statistically using Analysis of Variance (ANOVA) followed by Tukey's further test. The best result of collagen isolation from red snapper (L. malabaricus) scales was achieved using 2 M acetic acid hydrolysis combined with hydroextraction. This study demonstrated that the combination of different acetic acid concentrations with hydroextraction had a significant effect (P<0.05) on collagen yield parameters. The amino acid content consisted of 22.37% glycine and 12.45% proline. These findings indicate that red snapper (L. malabaricus) scales have the potential to be developed as a raw material for nanocollagen developments.
PENGENALAN PRODUK BERBASIS ISOLAT PROTEIN IKAN PADA MASYARAKAT PUTAT JAYA BARAT-SURABAYA SEBAGAI UPAYA DIVERSIFIKASI PRODUK UNTUK MENCEGAH STUNTING Patmawati, Patmawati; Mubarak, Ahmad Shofy; Sahidu, Adriana Monica; Pramono, Heru; Amin, Muhamad Nur Ghoyatul; Triastuti, Juni; Husein, Mohamad Akmal Alwi; Putri, Monica Angelina; Ramadhan, Novelix Arditan; Rokhim, Akhmad Nur; Rohmatin, Aulia; Wulan, Novrida; Maulidia, Cici; Arum, Kartika Dwi Sekar
Jurnal Abdi Insani Vol 12 No 1 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i1.2174

Abstract

The phenomenon of stunting has caught global attention as it may disrupt children growth and development which is important for national sakes. This problem also occurred on the community of Putat Jaya Barat, Surabaya. Despite the decrease of stunting prevalence on 2022 by 21.6%, the community of Surabaya should maintain their awareness to prevent the occurrence of stunting near in the future. Therefore, in order to prevent the occurrence of stunting, it is necessary to provide community service which is related to the introductory of protein isolate-based products from fisheries commodities. Protein isolate as a functional food has concentrated protein content which may fulfil daily consumption need. This community service activity was conducted to provide participants with the knowledge of stunting phenomenon, fisheries product diversification, and the demonstration on isolate protein production method. The result of this this community service activity showed that the participants were poorly informed with the stunting information, however the participants were still able to provide their family with adequate food consumption based on the concept of “4 Sehat 5 Sempurna”. The participants were also provided with the understanding toward fisheries product diversification. The questionnaires evaluation showed that the participants need further assistance related to the application of protein isolate on fisheries products, with the nutritional information, and healthy life socialization.
Preliminary Study: Effect of Infrared Soft-Laser Irradiation on Gonadal Maturity Stage of Female Siamese Striped Catfish (Pangasianodon hypophthalmus) Puspitasari, Febriyanti; Mukti, Akhmad Taufiq; Mubarak, Ahmad Shofy
Journal of Aquaculture and Fish Health Vol. 14 No. 3 (2025): JAFH Vol. 14 No. 3 September 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i3.52410

Abstract

Gonadal maturity and spawning of Siamese striped catfish depend on the rainy season, while outside of the season, hormonal treatment is not effective. Alternative technologies should be explored to enhance the gonadal maturity of fish. This study aims to examine the effect of infrared soft-laser irradiation on the gonadal maturity stage (GMS) of female Siamese striped catfish (Pangasianodon hypophthalmus). This study was performed through experimental methods using a completely randomized design (CRD) consisting of six treatments with four replications. Treatments were used, namely negative control (K-, no treatment), positive control (K+, injection of human chorionic gonadotropin / hCG and ovaprimTM), soft-laser exposure dose of 0.2 J/cm2 (T1), 0.4 J/cm2 (T2), 0.6 J/cm2 (T3), and 0.8 J/cm2 (T4). The parameter of GMS was measured. Data was analyzed using ANOVA following Duncan’s multiple range test. The result showed that soft-laser irradiation showed significant differences (P < 0.05) in GMS of female Siamese striped catfish. The highest GMS was shown through soft-laser exposure dose of 0.4 J/cm2 (T2), with 98.75% of fish reaching GMS IV and 1.25% at GMS III. Infrared soft-laser irradiation dose of 0.4 J/cm2 was the optimal dose to accelerate the gonadal maturity of female Siamese striped catfish.
Co-Authors A. Taufiq Mukti A.Taufiq Mukti Abdillah, Annur Ahadi Adde Ermawan Adriana Monica Sahidu Agusmanto Sihombing Ahmad Taufiq Mukti Akhmad Taufiq Mukti Akhsan Panna Alfi Hermawati W Amilaningrum, Diadara Amin, Muhamad Nur Ghoyatul Annisa Nur Rohmah Purnamasari Annur Ahadi Abdilah Apriana Vinasyiam Arum, Kartika Dwi Sekar Boedi Setya Rahardja Browijoyo Santanamurti Cahyani Prasetyawati, Fatimah Carattri, Money DARMAWAN SETIA BUDI DEDI JUSADI Desi Nawang Purnamasari Destya Twinandia Dewi, Nina Nurmalia Diah Ayu Satyari U Diah Trie Ridyaning Tias Diana Meritasari Dimas Jaya Subakti Dwi Yuli Pujiastuti Eka Ainurrohmah Eka Saputra Elva Qurrota Fu'adah Endang Dewi Masithah Endang Tri Wahyurini Faricha Risma Nurani Febriyanti Puspitasari Firman Budi Cahyadi Fitrawan, M. Dzaky Friska Setiawani Saragih Gunanti Mahasri Hasim Djamil Heny Budi Utari Heru Pramono Husein, Mohamad Akmal Alwi Intan Cahyarini Isroni, Wahyu Juanda Juanda Julie Ekasari Kamiliya Zahrah Taher Kenconojati, Hapsari Kismiyati , Laksmi Sulmartiwi Leody Yuwono Putra Lia Oktavia Ika Putri Likanimasayu Prabandari Lilis Cahaya Septiana M. Zairin Junior Maulia Patmadevi Maulida Rosa Umainana Maulidia, Cici Mayangsari, Cholivia Melani Indah Sari Manik Mochammad Amin Alamsjah MUHAMMAD AGUS SUPRAYUDI Muhammad Daffa Al Rasyid Nurhayati Müller, Tamás Mulyono Mulyono Munjayana Munjayana N. Juni Triastuti Ninin C Nurmalia Dewi, Nina Patmawati Patmawati, Patmawati Permana Sulistyo Rini Prima Almira Pursetyo, Kustiawan tri Puspitasari, Febriyanti Putri Alia Paramitha Putri, Monica Angelina R. Rahardyan Prasetyo Rahayu Kusdarwati Ramadhan, Novelix Arditan Reni Oktaviani Restanti, Maya Rochmatika, Endah Rohmatin, Aulia Rokhim, Akhmad Nur Rr. Juni Triastuti Sapto Andriyono Septuresty Hartri Eka Setyawati Sigit Steffani Lutfi Yuni firdausi Suciyono, Suciyono Sudarno Sudarno Sudarno Sudarno Sulistiono Suryani Dyah Astuti Veryl Hasan Widigdo, Syafrianur Win Darmanto Wiyoto Wiyoto Woro H. Satyantini Woro Hastuti Satyantini Woro Hastuti Satyantini Woro Hastuti Setyantini Wulan, Novrida Yeni Dhamayanti Yuli Pujiastuti, Dwi Yusuf Taufik Hidayat Zurica Melati Fitri