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All Journal Mechatronics, Electrical Power, and Vehicular Technology JMPM (Jurnal Material dan Proses Manufaktur) Mesin Pinisi Business Administration Review Journal of Fish Nutrition Jurnal Salamata Jurnal Perikanan Jurnal Ad'ministrare: Jurnal Pemikirian Ilmiah dan Pendidikan Administrasi Perkantoran JARI : Jurnal Akuakultur Rawa Indonesia Jurnal Studi Perikanan Berkelanjutan
Hardianto, Toto
Institut Teknologi Bandung
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Veterinary Other

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Tissue Culture Technique (Kappaphycus Alvarezii) Using a Somatic Embryogenesis Approach seen from Management and Implementation Hardianto, Toto; Mustafa; Suleman, Yakub; Nurul Awaliah; Feby Triadi
Jurnal Ad'ministrare: Jurnal Pemikirian Ilmiah dan Pendidikan Administrasi Perkantoran Volume 11, Issue 1, 2024
Publisher : Pendidikan Administrasi Perkantoran, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71309/administrare.v11i1.1838

Abstract

Seaweed is a superior commodity for aquaculture and has the largest production among other superior commodities. The factor that influences the success of seaweed cultivation is the selection of seeds, using good quality seeds because it can increase seaweed production. Therefore, seaweed produced through tissue culture techniques has the advantages and disadvantages of being able to be cultivated in turbid waters, being able to survive at low salinity and being resistant to high rainfall. Meanwhile, to make it more focused, an administrative concept is needed in it regarding management and implementation, so you will see in this journal a very clear administrative approach. The results of the research showed that the stages of the seaweed tissue culture technique started from broodstock acclimatization, sterilization test of the esplank thallus, callus induction, regeneration of embryogenic callus into micropropagules, regeneration of micropropagules into propagules (Plantlets), and maintenance of plantlets. The problem that usually occurs in seaweed tissue culture is human error. This can create sterility during the culture process, so that microorganisms can enter and contaminate the explants. In addition, the entry of microorganisms can be caused by the hole where the hose enters being too wide so that air from outside which may contain microorganisms can enter. The holes created can also cause evaporation or evaporation of sea water so that the salinity rate increases. Another situation that occurs is a lack of air supply from aeration because the internal capacity of the blower which supplies air is weak and uneven. This can cause the explants to accumulate and stick to the walls of the bottle so that nutrient absorption is hampered
Pertumbuhan dan Rasio Konversi Pakan Udang Vaname yang Dipelihara pada Sistem Bioflok Menggunakan Ampas Tebu (Saccharum officinarum Linn.) Sebagai Sumber Karbon Anton, Anton; Alauddin, Muhammad Hery Riyadi; Yunarty, Yunarty; Renitasari, Diana Putri; Hardianto, Toto; Kurniaji, Ardana
Jurnal Salamata Vol 6, No 2 (2024): Desember
Publisher : Politeknik Kelautan dan Perikanan Bone

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/salamata.v6i2.14071

Abstract

Udang vaname (Litopenaeus vannamei) adalah salah satu komoditas budidaya perikanan yang bernilai ekonomistinggi. Pengembangan budidaya udang vaname saat ini mengarah pada intensifikasi dengan sistem bioflok.Penelitian ini bertujuan untuk menganalisis pengaruh penggunaan ampas tebu sebagai sumber karbon terhadappertumbuhan dan rasio konversi pakan (RKP) udang vaname. Penelitian menggunakan tiga perlakuan dan tigaulangan yakni aplikasi ampas tebu sebagai sumber karbon bioflok (AmpT), aplikasi tepung terigu sebagaisumber karbon bioflok (TpgT) dan kontrol tanpa bioflok (Kontrol). Ampas tebu diperoleh dari perusahaan pabrikgula di Kabupaten Bone. Tepung ampas tebu dipreparasi dengan oven 60oC dan digiling dengan mesin penepung.Udang vaname berukuran 18 g/ekor diperoleh dari Tambak Politeknik Kelautan dan Perikanan Bone. Pemeliharaandengan sistem bioflok dilakukan selama 30 hari. Hasil penelitian menunjukkan bahwa aplikasi ampas tebusebagai sumber karbon dapat meningkatkan laju pertumbuhan spesifik (LPS) sebesar 0,57±0,01% (AmpT)dibandingkan kontrol 0,33±0,14%. LPS tertinggi diamati pada perlakuan tepung terigu yakni 1,39±0,51% (TpgT).Aplikasi ampas tebu juga dapat menghasilkan RKP lebih rendah yakni 1,36±0,06 (AmpT) dibandingkan kontrol1,69±0,08. Penelitian ini menunjukkan potensi ampas tebu digunakan sebagai sumber karbon pada budidayaudang vaname berbasis sistem bioflok.
Aplikasi Pemberian Dosis Pupuk Provasoli’s Enriched Seawater (PES) Yang Berbeda Pada Produksi Bibit Gracillaria verrucosa Melalui Kultur Jaringan Dengan Metode Propagasi Vegetatif Rasnijal, Muhammad; Alauddin, Muhammad Hery Riyadi; Budiyati; Anton; Muhammad Syahrir; Yunarty; Saridu, Siti Aisyah; Wahid, Eriyanti; Regan, Yip; Hardianto, Toto; Supryady; Ihwan; Ernawati; Anwar; Mulato, Alwi; Sucipto; Syarief, Muhammad Nurman; Suleman, Yakub; Andini, Salsa; Suleman, Gabriella Augustine; Mulyono, Mugi; Anggoro, Agung Doni; Sektiana, Sinar Pagi; Achmad Suhermanto
JARI : Jurnal Akuakultur Rawa Indonesia Vol. 13 No. 2 (2025): JARI: JURNAL AKUAKULTUR RAWA INDONESIA
Publisher : Program Studi Budidaya Perairan, Fakultas Pertanian, Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jari.v13i2.71

Abstract

Cultivation of the seaweed Gracilaria verrucosa is necessary as a preventive measure against overexploitation. One applicable method is tissue culture, which requires special attention to nutrient needs to support accelerated growth. These nutrients can be provided through fertilization. One commonly used chemical fertilizer in seaweed tissue culture is Provasoli’s Enriched Seawater (PES). This study aims to determine the optimal PES fertilizer dosage for the production of G. verrucosa seedlings through tissue culture using a vegetative propagation method. This study used a completely randomized design with analysis of variance (ANOVA) consisting of four treatments of different PES fertilizer doses with three replicates for each treatment. The results showed that fertilizer dose variation did not significantly affect the absolute growth of explant weight, but tended to increase the number of growth points. Growth points began to increase in the second week for all treatments, and by the fourth week, the number of growth points at a 1.5% dosage showed a significant difference compared to other doses. The application of PES fertilizer in G. verrucosa seedling production through tissue culture with vegetative propagation indicates that different fertilizer doses do not affect explant growth but significantly influence the increase in growth points by the fourth week
The Contribution of the Fisheries Sector to Food Security in Indonesia: A Case Study from Bone Regency, South Sulawesi Anton; Nurayu pratiwi; Fina Fatwa Sari; Toto Hardianto; Suryo Wirawan Anton; Muh.Afif Bafdah
Jurnal Studi Perikanan Berkelanjutan Volume 1, Issue 1, 2025
Publisher : Universitas Cahaya Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65943/m02rs246

Abstract

This study aims to analyze the contribution of the fisheries sector in supporting food security among coastal communities in Bone Regency, South Sulawesi. Data were collected from March to June 2025 through a survey involving 150 respondents, consisting of fishers, fish farmers, and fish processing business actors. The research employed both quantitative and qualitative approaches, with data collected through questionnaires, in-depth interviews, and field observations. The analysis was conducted using descriptive quantitative methods, t-tests, and regression analysis to examine differences and factors influencing household food security in fisheries-based communities. The results showed that the fisheries sector made a significant contribution to food security in terms of animal protein availability, fish price affordability, and dietary diversity. The average household fish consumption reached 38 kg per capita per year, which is higher than the national average. The most influential factors affecting food security were household income, education level, and fisheries business diversification. These findings emphasize that the fisheries sector plays a strategic role in achieving sustainable food security in coastal areas
TINGKAT KECERNAAN DAN PENYERAPAN PAKAN BENIH  IKAN MAS (Cyprinus carpio L.) DENGAN METODE PEMBERIAN KOMBINASI GLUTAMIN DAN PROBIOTIKE PEMBERIAN KOMBINASI GLUTAMIN DAN PROBIOTIK. Muhamamad Nurman Syarief; Supryady Supryady; Anton Anton; Ihwan Ihwan; Yip Regan; Toto Hardianto; Muhammad Syahrir; Anwar Anwar; Sucipto Sucipto; Muhammad Rasnijal; Budiyati Budiyati; Otie Dylan Subakti Hasan; Mugi Mulyono; Ernawati Ernawati; Nur Fadhilah Abustang; Muhammad Hery Riyadi Alauddin; Siti Aisyah Saridu; Eriyanti Wahid; Yunarty Yunarty; Alwi Mulato
Journal of Fish Nutrition Vol. 6 No. 2 (2026): Journal of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v6i2.10163

Abstract

Penelitian ini bertujuan untuk menemukan komposisi terbaik tingkat kecernaan pakan dan tingkat penyerapan nutrisi pakan pada benih ikan mas. Penelitian ini berbentuk Rancangan Acak lengkap (RAL) Faktorial dengan 2 faktor yaitu glutamin dengan taraf (0%/kg pakan, 1%/kg pakan, 2%/kg pakan dan 3%/kg pakan) dan probiotik dengan taraf (0 ml/kg pakan,5 ml/kg pakan, 10 ml kg/pakan dan 15 ml/kg pakan). Hasil penelitian menunjukkan bahwa pengaruh faktor glutamin dan probiotik secara simultan berpengaruh signifikan (P<0.05) terhadap tingkat konsumsi pakan secara keseluruhan. Berdasarkan hasil tersebut diperoleh kombinasi terbaik adalah dosis 2% glutamin di tambah 10 ml/kg pakan dengan tingkat kecernaan dan penyerapan pakan terdiri atas Tingkat Komsumsi Pakan (TKP)142,66 ± 2,36 g, Daya Cerna Protein (DP) 94,13 ± 1,05%, Efisiensi Pemanfaatan Pakan (EPP) 93,83 ± 9,89%, Protein Efisiensi Rasio (PER) 2,93 ± 0,31%, dan Retensi Nutrien Protein (RN) 156,69 ± 16,51%. Dengan demikian kombinasi suplementasi glutamin 2% dan probiotik 10 ml/kg pakan direkomendasikan sebagai strategi nutrisi efektif untuk meningkatkan efisiensi pemanfaatan dan performa pertumbuhan benih ikan mas secara optimal.
Analytical optimization of displacer trajectory for ideal beta-type stirling engine cycles with sinusoidal piston motion Rachman Hakim; Toto Hardianto; Priyono Sutikno; Poetro Sambegoro
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 17, No 1 (2026)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2026.1486

Abstract

This study develops a generalized displacer motion equation for a beta-type Stirling engine. The proposed equation approximates the ideal Stirling cycle while maintaining sinusoidal piston motion to ensure stable power extraction. The displacer trajectory is modeled with a Fourier series and optimized. The resulting trajectory is then generalized as a piecewise function to improve applicability across different geometries. This approach improves control of working fluid distribution, allowing the expansion and compression processes to more closely approach isothermal conditions. The results show that the optimized Fourier trajectory achieves 91.9 % of the ideal Stirling-cycle work output, outperforming conventional drive mechanisms, where it only achieves 59.8 % for crank mechanism, 66 % for Scotch yoke, and 68.5 % for rhombic drive. For practical implementation, the optimized Fourier trajectory is generalized using a piecewise formulation. The generalized trajectory maintains approximately 80–90 % of the ideal Stirling-cycle work over a range of compression ratios without requiring re-optimization. These results demonstrate that the proposed approach provides both high thermodynamic performance and improved adaptability compared with conventional Stirling engine drive mechanisms.
Co-Authors Adolf Asih S Adriansyah, Willy Aiman Mubarak, Muh Nurul Alauddin, Muhammad Hery Riyadi Alwi Mulato Andika Ramadani Andini, Salsa Anggoro, Agung Doni Anton Anton Anton Anton Anton Anton Anwar Anwar Anwar Ardana Kurniaji Ari Akbariyanto Wenas Aryadi Suwono Aryadi Suwono Budiyati Budiyati Budiyati Diana Putri Renitasari Eriyanti Wahid Ernawati Ernawati Ernawati Fanggi Fanggi Fanggi, Fanggi Feby Triadi Feby Triadi Fina Fatwa Sari Hendi Riyanto, Hendi Ihwan Ihwan Ihwan Jeffry, Gavriel Y Mugi Mulyono Muh.Afif Bafdah Muhamamad Nurman Syarief Muhammad Hery Riyadi Alauddin Muhammad Rasnijal Muhammad Syahrir Muhammad Syahrir Mulato, Alwi Mulyono, Mugi Mustafa Nur Fadhilah Abustang Nurayu pratiwi Nurul Awaliah Otie Dylan Subakti Hasan Poetro Sambegoro Priyono Sutikno Rachman Hakim Ramadani, Andika Rasnijal, Muhammad Regan, Yip Renitasari, Diana Putri S, Adolf Asih Saridu, Siti Aisyah Sektiana, Sinar Pagi Siti Aisyah Saridu Sucipto Sucipto Sucipto Suharto, Djoko Suhermanto, Achmad Suleman, Gabriella Augustine Suleman, Yakub Supryady Supryady Supryady Suryo Wirawan Anton Suyitno - Suyitno Suyitno Syarief, Muhammad Nurman Tatacipta Dirgantara, Tatacipta Wahid, Eriyanti Wiwik Handayani Yip Regan Yunarty Yunarty Yunarty Yunarty Yunarty, Yunarty