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All Journal Journal of Aquatropica Asia Acta Aquatica: Aquatic Sciences Journal Jurnal Riset Akuakultur Jurnal Ilmiah Samudra Akuatika Buletin Pengabdian ABDIMU: Jurnal Pengabdian Muhammadiyah
Rachmawati Rusydi, Rachmawati
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Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Public Health Social Sciences Other

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The Effectiveness of Probiotics to Increase the Growth of Freshwater Barramundi (Lates Calcarifer) Seeds Ranim, Yenfi Riza; Salamah, Salamah; Rusydi, Rachmawati; Mahdaliana, Mahdaliana; Mainisa, Mainisa
Jurnal Ilmiah Samudra Akuatika Vol 6 No 2 (2022): Jurnal Ilmiah Samudra Akuatika
Publisher : Fakultas Pertanian Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jisa.v6i2.7323

Abstract

This study aims to determine the effect of the effectiveness of giving probiotic for increasing the growth and digestibility of freshwater barramundi seed feed. The research was conducted on January 29 - February 28 2022 at the Kembang Tani Farm Lancang Barat Hacthery, North Aceh. The experimental research method used a non-factorial Completely Randomized Design (CRD) with 4 treatments with 3 replications, namely Treatment A: Probiotic EM4 0 ml/kg feed, Treatment B: 9 ml/kg feed, Treatment C 12 ml/kg feed and Treatment D: 15 ml/kg feed. The best length gain was found in treatment D 2.36 cm. The best weight gain in treatment D was 1.91 grams. The best FCR in treatment D 1.5. Best survival in treatment D 86.67%.
Implementasi Pretreatment Ekstraksi Lipid untuk Produksi Biodiesel Nannochloropsis sp. yang Dikultivasi dalam Media Limbah Budidaya Vaname Rusydi, Rachmawati; Alfaini, Momika; Ayuzar, Eva; Hartami, Prama; Salamah, Salamah; Muliani, Muliani; Khalil, Munawwar; Febri, Suri Purnama
Jurnal Ilmiah Samudra Akuatika Vol 8 No 1 (2024): Jurnal Ilmiah Samudra Akuatika
Publisher : Fakultas Pertanian Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jisa.v8i1.10831

Abstract

Nannochloropsis sp. is the green colored microalgae with its round shape of cell. This microalgae has lipids of 28,7% by dry weight, especially unsaturated fatty acids which can be transesterified to produce methyl ester and be a potential as biodiesel feedstock. The content of biodiesel Nannochloropsis sp. reaches 80% of dry weight and has the sama characteristics as vegetable oil. In the lipid extraction process many problems were found, one of which was the cell wall of Nannochloropsis sp. which prevents the lipid from being extracted. This research was carried out on 10 December 2022-28 February 2023 at the Hatchery and Aquaculture Technology Laboratory aquaculture study program, faculty of agrigulture, Malikussaleh University, Chemical Technology Laboratory at Lhokseumawe State Polytechnic and at The Environmental Quality Testing Engineering Laboratory At Syiah Kuala University, Banda Aceh. This study used a laboratory experimental method using a Non-Factorial Completely Randomized Design (CRD) consisting of 4 treatments and 3 replications. Treatment A Control, treatment B Heating, treatment C Osmotic shock and treatment D Homogenizer. Based on statistical analysis of the F test (ANOVA) showed that the percentage of lipid from the application of pretreatment gave significantly different resulst to the percentage of lipid from the application of pretreatment. The highest lipid was found in treatment B which was 21,14% and the lowest lipid was in treatment C which was 12,51%. The highest lipid producer from the application of pretreatment is using the heating method. Biodiesel is obtained through a tranesterification process using methanol as a solvent and KOH catalyst.
Implementation of Pretreatment in Lipid Extraction to Biodiesel Production from Nannochloropsis sp Cultivated in Vannamei Farming Wastewater Rusydi, Rachmawati; Alfaini, Momika; Ayuzar, Eva; Hartami, Prama; Salamah, Salamah; Muliani, Muliani; Khalil, Munawwar; Febri, Suri Purnama
Jurnal Ilmiah Samudra Akuatika Vol 8 No 1 (2024): Jurnal Ilmiah Samudra Akuatika
Publisher : Fakultas Pertanian Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jisa.v8i1.10905

Abstract

Nannochloropsis sp. is the green colored microalgae with its round shape of cell. This microalgae has lipids of 28,7% by dry weight, especially unsaturated fatty acids which can be transesterified to produce methyl ester and be a potential as biodiesel feedstock. The content of biodiesel Nannochloropsis sp. reaches 80% of dry weight and has the sama characteristics as vegetable oil. In the lipid extraction process many problems were found, one of which was the cell wall of Nannochloropsis sp. which prevents the lipid from being extracted. This research was carried out on 10 December 2022-28 February 2023 at the Hatchery and Aquaculture Technology Laboratory aquaculture study program, faculty of agrigulture, Malikussaleh University, Chemical Technology Laboratory at Lhokseumawe State Polytechnic and at The Environmental Quality Testing Engineering Laboratory At Syiah Kuala University, Banda Aceh. This study used a laboratory experimental method using a Non-Factorial Completely Randomized Design (CRD) consisting of 4 treatments and 3 replications. Treatment A Control, treatment B Heating, treatment C Osmotic shock, and treatment D Homogenizer. Based on statistical analysis of the F test (ANOVA) showed that the percentage of lipid from the application of pretreatment gave significantly different resulst to the percentage of lipid from the application of pretreatment. The highest lipid was found in treatment B which was 21,14% and the lowest lipid was in treatment C which was 12,51%. The highest lipid producer from the application of pretreatment is using the heating method. Biodiesel is obtained through a tranesterification process using methanol as a solvent and KOH catalyst.
DATA PROCESSING TRAINING USING MICROSOFT EXCEL FOR STUDENTS OF THE FACULTY OF AGRICULTURE, MALIKUSSALEH UNIVERSITY Rusydi, Rachmawati; Mainisa, Mainisa; Mahdaliana, Mahdaliana; Hatta, Muhammad; Ayuzar, Eva; Salamah, Salamah
ABDIMU: Jurnal Pengabdian Muhammadiyah Vol 3, No 2 (2023)
Publisher : Universitas Muhammadiyah Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37598/abdimu.v3i2.1711

Abstract

Data processing is part of the statistics used for drawing conclusions on the data analyzed using various statistical softwares. One of the softwares for simple data processing is Microsoft Excel. However, the use of Microsoft Excel for statistical analysis by students of the Agriculture Faculty, Malikussaleh University is not optimal compared to some other software. The purpose of this training activity is to provide data processing knowledge and skills to students of the Agriculture Faculty, Malikussaleh University using Microsoft Excel on data analysis. The community service activities were carried out at the Statistics Laboratory of the Agriculture Faculty, Malikussaleh University in March 2023. The method applied was training on data analysis through data analysis microsoft excel. Evaluation of community service activities was carried out through a survey using an online questionnaire on the Google form. Data processing training activities using Microsoft Excel for students of the Faculty of Agriculture, Malikussaleh University provided increased knowledge and skills. Students assessed that the use of Microsoft Excel in data processing was important and necessary in addition to other software. Furthermore, the training activities were considered very good, in terms of delivery, materials, and discussion time.  Keywords: Data Processing; Microsoft Excel, Student, Agriculture
KARAKTERISASI LIPID HASIL KULTIVASI MASSAL Spirulina sp. DALAM MEDIA LIMBAH BUDIDAYA UDANG VANAME (Litopenaeus vannamei) Putri, Ricke Diana; Rusydi, Rachmawati; Ayuzar, Eva; Patmawati, Patmawati; Andriyono, Sapto
Journal of Aquatropica Asia Vol 10 No 2 (2025): Journal of Aquatropica Asia
Publisher : Program Studi Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/qj9xrt11

Abstract

Microalgae is one of the microorganisms that has the potential as raw material in the development of research and technology to produce vegetable oil. Microalgae Spirulina sp. is a microalgae that has the potential to be used as a raw material for biodiesel, which has a fairly high lipid content when compared to other microalgae. However, to produce enough Spirulina sp. biomass, it is necessary to optimize the culture media.  One of the organic materials that can be used as Spirulina sp. culture media is vaname shrimp farming waste (Litopenaeus vannamei). This study aims to utilize vaname shrimp farming waste to minimize costs in mass-scale microalgae cultivation for daily lipid evaluation and biodiesel production. The method used in this study was laboratory experimental method, where observation and primary data collection were conducted on a mass scale. Based on the research results, the highest daily cultivation dry biomass of Spirulina sp. was found on day 4 (four) with a value of 2.29gr/L with a biomass percentage of 7.24%. The highest lipid extracted using soxhlet was on day 4 (four) with a lipid percentage value of 3.73% with a lipid percentage of 0.84% and the highest lipid productivity was also found on day 4 (four) with a value of 0.0854 gr/L. Mass cultivation biomass of Spirulina sp. obtained wet biomass of 13,760 g and dry biomass of 3,220 g. Lipid yield of Spirulina sp. in mass cultivation obtained a weight value of 163.74 g with a percentage of 5.09%. Biodiesel yield of Spirulina sp. in mass cultivation amounted to 101.225 g with a percentage of 61.82%. The quality of Spirulina sp. biodiesel consisted of 4 highest chemical compounds, namely Heptadecane (CAS) n-Heptadecane 41.35%, Hexadecanoid acid, methyl ester 13.03%, Isoppropyl Linoleate 8.91%, and 9,12-Octadecanoid acid (Z,Z)-, methyl ester 6.88%.
Potential of yellow velvetleaf (Limnocharis flava) as protein source for fish feed Rusydi, Rachmawati
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 1: No. 1 (October, 2014)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v1i1.296

Abstract

Yellow velvetleaf (Limnocharis flava) is one of aquatic plant which lives by floating on the water. This plant is recognized as vegetable and source of bioactive components. This experiment was purposed to analyze proximate composition of yellow velvetleaf leaves and stems for some parameters such as water content, ash, fat, protein, fibre, and total carotenoid. The methods of this experiment were proximate analysis and total carotenoid analysis of fresh yellow velvetleafs leaves and stems. Result of the experiment showed that fresh yellow velvetleafs leaves contained water content at 91.76% (wet basis), ash at 12.4% (dry basis), fat at 7.95% (dry basis), protein at 22.96% (dry basis), fibre at 11.93% (dry basis), and total carotenoid at 219.01 μg/g. While stems of yellow velvetleaf plant had contents of water at 95.33% (wet basis), ash at 16.38% (dry basis), fat at 5.62% (dry basis), protein at 13.23% (dry basis), fibre at 16.12% (dry basis), and total carotenoid at 92.99 μg/g. Based on its protein and total carotenoids component, yellow velvetleaf leaves had potential as protein source and carotenoid source for fish feed.Tanaman genjer (Limnocharis flava) merupakan salah satu tanaman air yang hidup mengapung di air. Tanaman ini dikenal sebagai sayuran dan sumber komponen bioaktif. Penelitian ini bertujuan untuk menganalisa komposisi proksimat dari daun dan batang genjer untuk beberapa parameter, yaitu kadar air, abu, lemak, protein, serat, dan total karotenoid. Metode penelitian ini adalah analisis proksimat dan analisis total karotenoid dari daun dan batang genjer segar. Hasil penelitian menunjukkan bahwa daun genjer segar mengandung kadar air 91,76% (basis basah), abu 12,4% (basis kering), lemak 7,95% (basis kering), protein 22,96% (basis kering), serat 11,93% (basis kering), dan total karotenoid 219,01 μg/g. Sedangkan batang dari genjer segar mengandung kadar air 95,33% (basis basah), abu 16,38% (basis kering), lemak 5,62% (basis kering), protein 13,23% (basis kering), serat 16,12% (basis kering), dan total karotenoid 92,99 μg/g. Berdasarkan komponen protein dan total karotenoidnya, daun tanaman genjer memiliki potensi sebagai sumber protein dan karotenoid untuk pakan ikan.
Karakteristik nutrisi dan stabilitas pakan kombinasi ampel (ampas tahu dan pelet) Rusydi, Rachmawati; Hartami, Prama; Khalil, Munawwar
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 4: No. 1 (April, 2017)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v4i1.316

Abstract

Tingginya biaya produksi akibat dari mahalnya harga pakan berprotein tinggi menyebabkan eksplorasi bahan pakan alternatif yang bernutrisi, murah dan tersedia sepanjang tahun terus dilakukan. Penelusuran bahan alternatif ini juga diharapkan dapat meningkatkan kandungan protein dari pakan komersil berprotein rendah yang murah. Metode penelitian terdiri atas tahap pembuatan pakan uji, analisis proksimat, dan uji ketahanan pakan di air. Adapun perlakuan dalam penelitian ini adalah: (A) kombinasi ampas tahu 80% + pelet 20%, (B) kombinasi ampas tahu 60% + Pelet 40%, (C) kombinasi ampas tahu 40% + pelet 60%, (D) kombinasi ampas tahu 20% + pelet 80%, (E) kontrol (penggunaan pelet 100%). Hasil penelitian menunjukkan bahwa pakan ampel dengan kombinasi ampas tahu 40% + pelet 60% memiliki karakteristik nutrisi paling baik terutama protein sebesar 28,92%. Karakteristik fisik pakan terbaik melalui uji ketahanan pakan di air ditunjukkan oleh pakan pelet.Increment of aquaculture production cost caused by expensive feed containing high protein has made exploration of feed stuffs having high nutrition, low cost, and annually available continuously to be done. Investigation of alternative stuffs was expected to increase protein content of cheap commercial feed containing low protein. The methods of this research consisted of producing experimental feed, proximate analysis, and feed stability test in the water. The treatments were (A) combination of tofu waste 80% + feed 20%, (B) combination of tofu waste 60% + feed 40%, (C) combination of tofu waste 40% + feed 60%, (D) combination of tofu waste 20% + feed 80%, (E) control (feed 100%). This research resulted the best nutrition characteristic obtained from combination of tofu waste 40% + feed 60% in which its protein was 28,92%. The best physical characteristic through feed stability test in the water was obtained from commercial feed (control).
Efektivitas kombinasi pakan ampas tahu dan pelet untuk pertumbuhan ikan lele sangkuriang (Clarias sp) Hartami, Prama; Rusydi, Rachmawati
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 3: No. 2 (October, 2016)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v3i2.323

Abstract

Pakan merupakan bagian utama dalam menunjang keberhasilan kegiatan budidaya yang dilakukan. Dengan demikian, diperlukan kajian yang intensif untuk mencari formulasi yang tepat agar tujuan tersebut dapat tercapai secara optimal. Penelitian ini dilakukan untuk menguji persentase yang optimal antara ampas tahu dengan pelet untuk meningkatkan pertumbuhan ikan lele sangkuriang dan menekan biaya pakan seminimal mungkin. Metode analisa data yang digunakan berupa rancangan acak kelompok non-faktorial dengan 5 (lima) perlakuan dan 3 (tiga) kali ulangan, selanjutnya data dianalisis dengan uji F. Perlakuan tersebut berupa: 1) Pakan A: Ampas tahu 80% + pelet 20%; 2) Pakan B: Ampas tahu 60% + pelet 40%; 3) Pakan C: Ampas tahu 40% + pelet 60%; 4) Pakan D: Ampas tahu 20% + pelet 80%; dan 5) Pakan E: Pelet 100% (kontrol). Parameter penelitian meliputi efisiensi pakan, laju pertumbuhan ikan, dan kelangsungan hidup. Hasil penelitian menunjukkan bahwa nilai efisiensi pakan terbaik pada pakan kontrol (pelet) sebesar 77,61%, laju pertumbuhan harian ikan lele sangkuriang yang terbaik diperoleh dari pakan pelet (kontrol) sebesar 3,64%. Sementara untuk kelangsungan hidup yang terbaik didapat pada perlakuan pakan B dan C yaitu sebesar 100%.Feed is a major part in the success of farming activities undertaken. Thus, the necessary intensive study to find the right formulation so that these objectives can be achieved optimally. This study was conducted to test the optimal percentage of tofu by product (TbP) with the pellets to increase fish growth and suppress catfish feed costs to a minimum. Data analysis method used in the form of non-factorial randomized design with 5 (five) treatments and 3 (three) replications, then the data were analyzed by F test. These treatments include: 1) Feed A: TbP 80% + 20% pellets; 2) Feed B: TbP 60% + 40% pellets; 3) Feed C: TbP 40% + 60% pellets; 4) Feed D: TbP 20% + 80% pellets; and 5) Feed E: Pellet 100% (control). Parameter research include feed efficiency, growth rate of fish, and survival. The results showed that the best feed efficiency in the control diet (pellets) amounted to 77.61%, daily growth rate of fish catfish are best obtained from feed pellets (control) of 3.64%. While survival is best obtained at treatment of feed B and C equal to 100%.
Analisis kandungan gizi pakan pellet yang diformulasikan dari bahan baku nabati berbeda terhadap kecukupan gizi ikan herbivora Muliani, Muliani; Khalil, Munawwar; Murniati, Murniati; Rusydi, Rachmawati; Ezraneti, Riri
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 6: No. 2 (October, 2019)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v6i2.1636

Abstract

AbstrakPenelitian ini bertujuan untuk mengetahui kandungan gizi dari pakan pelet yang diformulasikan dari bahan baku nabati yang berbeda dan sesuai dengan kecukupan gizi ikan herbivora. Metode yang digunakan dalam penelitian ini adalah Metode Deskriptif Analisis dengan pendekatan Kuantitatif dengan perlakuan sebagai berikut: A : pelet yang diformulasikan dari tepung daun kelor, B : pelet yang diformulasikan dari tepung daun pegagan, C : pelet yang diformulasikan dari tepung daun gamal, D: pelet yang diformulasikan dari tepung kedelai. Parameter uji dalam penelitian ini adalah kandungan gizi pakan seperti protein, karbohidrat, lemak abu dan air. Hasil penelitian menunjukkan bahwa kandungan gizi pakan yang paling baik terdapat pada pakan dari jenis tepung daun gamal dengan jumlah protein adalah 32,28%, karbohidrat 36,30%, lemak 8,45%, abu 10,77% dan air 12,20%. Selanjutnya pakan dari jenis tepung daun kelor dengan jumlah protein adalah 32,20%, karbohidrat 36,88%, lemak 6,97%, abu 11,85% dan Air 12,10%. Kemudian diikuti oleh pakan dari jenis tepung daun pegagan dengan jumlah protein adalah 28,33%, karbohidrat 34,67%, lemak 9,73%, abu 12,15% dan air 14,10% dan terakhir pakan dari jenis tepung biji kedelai dengan jumlah protein adalah 29,35%, karbohidrat 35,30%, lemak 13,08%, abu 11,28% dan air 12,10%.Kata kunci: pakan; gamal; kelor; pegagan; kedelaiAbstractThis study aims to determine the nutritional content of pellet feed which is formulated from different vegetable raw materials and following the nutritional adequacy of herbivorous fish. The method used in this study is Descriptive Analysis Method with Quantitative approach with the following treatment: A: pellets formulated from Moringa leaf flour, B: pellets formulated from gotu kola leaf flour, C: pellets formulated from gamal leaf flour, D: pellets formulated from soy flour. The test parameters in this study are feed nutrient content such as protein, carbohydrates, ash and water. The results showed that the best nutrient content in the diet of gamal leaf flour with the amount of protein was 32.28%, carbohydrate 36.30%, fat 8.45%, ash 10.77% and water 12.20 %. Furthermore, feed on the type of Moringa leaf flour with the amount of protein was 32.20%, carbohydrate 36.88%, fat 6.97%, ash 11.85% and water 12.10%. Then followed by feed from the type of gotu kola leaf flour with the amount of protein is 28.33%, carbohydrate 34.67%, fat 9.73%, ash 12.15% and water 14.10% and finally feed on the type of soybean flour with the amount of protein is 29.35%, carbohydrate 35.30%, fat 13.08%, ash 11.28% and water 12.10%.Keywords: feed; gamal; moringa; gotu kola; soybean
Effectiveness of Spirulina platensis as a bioremediator candidate for vaname shrimp (Litopenaeus vannamei) wastewater Hartami, Prama; Mauliyani, Mauliyani; Erniati, Erniati; Masyithah, Putri; Kurniawan, Rizky; Suhaila, Nurul; Muliani, Muliani; Rusydi, Rachmawati
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 9: No. 1 (April, 2022)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v9i1.6992

Abstract

The purpose of this study was to determine the effectiveness of Spirulina platensis for remediation of vannamei shrimp culture waste. The method used in this study was a Non-Factoral Completely Randomized Design (CRD) with 4 treatments and 3 replications, namely (A) Control; (B) 50% waste (1500 ml waste + 1500 ml water) + technical fertilizer + Spirulina inoculant; (C) 75% waste (2,250 ml of waste + 750 ml of water) technical fertilizer + Spirulina inoculant; (D) 100% waste + technical fertilizer + Spirulina inoculant. Data analysis used ANOVA with 95% confidence level. The results showed that the use of Spirulina platensis as a remediation agent for vaname shrimp culture had a significant effect on reducing levels of waste ammonia, phosphate, nitrate, and density of Spirulina platensis (Fcount > Ftable 0.05).Keywords: Bioremediator; Innoculant; Vanname shrimp; Waste water
Co-Authors Ade Ikhsan Kamil Alfaini, Momika Antoni Antoni Asih Makarti Muktitama Bahagia Bahagia Erlangga Erlangga Erniati Erniati Eva Ayuzar, Eva Febri, Suri Purnama Haser, Teuku Fadlon Herlina Putri Endah Sari Mahdaliana, Mahdaliana Mainisa, Mainisa Masyithah, Putri Mauliyani, Mauliyani Muhammad Hatta Muliani Muliani, Muliani Munawwar Khalil, Munawwar Murniati . Natasya, Siti Patmawati Patmawati, Patmawati Prama Hartami Prasetya, Yukis Angga Putri, Ricke Diana Ranim, Yenfi Riza Riri Ezraneti Rizky Kurniawan Rubiyah, Rubiyah Saiful Adhar salamah salamah Sapto Andriyono Siti Komariyah Suhaila, Nurul Wahyuni, Riri Yusrizal Akmal Zaitun, Urmila