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All Journal Jurnal Teknologi Perikanan dan Kelautan Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis BULETIN OSEANOGRAFI MARINA Berkala Perikanan Terubuk Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Kelautan Tropis Jurnal Sumberdaya Akuatik Indopasifik Acta Aquatica: Aquatic Sciences Journal Jurnal Riset Akuakultur Jurnal Serambi Engineering Samakia: Jurnal Ilmu Perikanan Jurnal Kelautan Nasional Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Jurnal Ilmiah Samudra Akuatika JURNAL PERIKANAN TROPIS Jurnal Laot Ilmu Kelautan Rambideun : Jurnal Pengabdian Kepada Masyarakat Munggai: Jurnal Ilmu Perikanan dan Masyarakat Pesisir International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) Buletin Pengabdian Journal of Marine Studies

Erlangga Erlangga

Departement Marine Science, Malikussaleh University

Author-ID : 2479289

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Public Health Social Sciences Other

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VARIABILITAS KONSENTRASI KLOROFIL-a DI BAGIAN BARAT PERAIRAN ACEH, INDONESIA BERDASARKAN PERGERAKAN ANGIN MONSUN Imamshadiqin Imamshadiqin; Imanullah Imanullah; Erniati Erniati; Erlangga Erlangga; Yudho Andika; Salmarika Salmarika; Roza Yusfiandayani
Jurnal Teknologi Perikanan dan Kelautan Vol 11 No 2 (2020): NOVEMBER 2020
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Perairan Aceh bagian Barat terletak di bagian Timur Samudera Indonesia. Kawasan ini merupakan perairan yang dinamis karena merupakan bagian dari perairan Indonesia yang terletak di antara dua benua dan dua samudera. Konsentrasi klorofil-a bervariasi secara bulanan di perairan ini. Penelitian ini mengamati variasi konsentrasi klorofil-a berdasarkan sirkulasi angin muson. Analisis konsentrasi klorofil-a dapat digunakan untuk membantu perkiraan produktivitas sebuah perairan. Kami menemukan bahwa konsentrasi klorofil-a di Monsun Barat lebih tinggi daripada di Monsun Timur. Sebaliknya, konsentrasi klorofil-a di Monsun Timur lebih rendah dibandingkan di Monsun Barat.

PENERAPAN TEKNOLOGI BIOFLOK PADA USAHA LELE UNTUK MENINGKATKAN EKONOMI MASYARAKAT DESA BUKET KECAMATAN KUTA MAKMUR yuli asbar; Iswadi Iswadi; Erlangga Erlangga; Fitri Al Faini Siregar
RAMBIDEUN : Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 1 (2022): Rambideun: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Al Muslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/pkm.v5i1.862

Community service activities are focused on guidance villages that will increase catfish production and innovation in organic catfish cultivation. The main targets of this activity are: 1) the creation of a biofloc catfish pond, 2) self-reliance in the manufacture of seeds and feed, 3) the cultivation of organic catfish with biofloc pond technology. Problems faced with partners include there is no biofloc catfish pond and its installation, partners do not understand about technology in rapidly increasing catfish production, and knowledge of group development business in business management is still limited. Based on the situation analysis, the objective conditions that exist with the partners, the solutions that are mutually agreed upon between the team and partners include 1) The existence of biofloc technology for catfish pond 2) Briefing on how to make catfish feed; and 3) business management and institutional training. The purpose of this activity is to increase the quantity of catfish production. and increasing production cost efficiency through the dissemination of biofloc technology in the catfish business. Method The activity will be carried out involving two stages which include 1) socialization and coordination of activities; 2) design and manufacture of biofloc ponds, 3) operational testing in traditional manufacturing; 4) dissemination of technology products; and 5) operational assistance. In this activity, both partners were given training on operating techniques and manufacturing installation techniques for making biofloc ponds, techniques, and product marketing business strategies. The results of this community service is the partners can apply a biofloc system and provide results to improve water quality in catfish farming, then provide optimal growth for catfish.

TEKNOLOGI AKUAPONIK DENGAN TANAMAN YANG BERBEDA TERHADAP PERFORMA PERTUMBUHAN IKAN NILA (Oreochromis niloticus) Prama Hartami; Nazarul Syahputra; Erlangga Erlangga
JURNAL PERIKANAN TROPIS Vol 2, No 1 (2015)
Publisher : Universitas Teuku Umar

This study was conducted on July 28th to August 02nd 2014 in Laboratory of Hatchery and Aquaculture Technology which aimed to determine the effectiveness of aquaponictechnology to incorporate different types of plants to growth performance of tilapia. The benefit of this research was as useful information to aquaculture field, especially to maximalized fish growth technology. The method used in this study was non factorial completely randomized design with 4 treatments and three replications. The results showed the value of water quality such as mmonia 0.02 mg/l, turbidity 4.67 NTU, lenght growth 3.65 cm and a weight of 9.68 grams with a value of survival rate 96.66%, feed conversion 1.08% and long growth of plants 22.10 cm where Fcount> Ftable.

Kondisi Eksisting Tiram (Bivalvia: Ostreidae) di Perairan Estuari Desa Banda Masen Kecamatan Banda Sakti Kota Lhokseumawe Erlangga Erlangga; Imanullah Imanullah; Syahrial Syahrial; Erniati Erniati; Imamshadiqin Imamshadiqin; Gara Hasonangan Ritonga; Dodi Fanhalen Siregar
Buletin Oseanografi Marina Vol 11, No 2 (2022): Buletin Oseanografi Marina
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/buloma.v11i2.39514

Kajian kondisi eksisting tiram dilakukan pada tiga stasiun pengamatan di perairan estuari Desa Banda Masen (Juli – September 2020). Kajian bertujuan untuk mengetahui faktor lingkungan, distribusi dan biodiversitas, kepadatan, frekuensi pertumbuhan serta karakteristik lingkungan tiram, dimana sampel dikumpulkan dalam plot yang berukuran 1x1 m pada sisi kiri, tengah dan kanan estuari, sedangkan keterkaitan parameter kualitas perairan terhadap kepadatan maupun morfometrik tiram dianalisis berdasarkan Principle Component Analysis (PCA). Hasil kajian memperlihatkan bahwa konsentrasi DO berkisar antara 07,85–07,87 mg/L, suhu 30,00–32,00°C, salinitas 32,50–35,00‰, pH 07,90–08,13, kekeruhan 27,90–28,17 NTU, kecerahan 00,20–00,22 cm, kedalaman 01,20–01,27 m dan intensitas cahaya 449–452 Lux. Selain itu, hasil kajian juga memperlihatkan tiram terdistribusi di semua stasiun pengamatan, terdiri dari dua spesies dengan kepadatan S. cucullata antara 02,33–04,11 ind/m2 dan kepadatan S. echinata antara 02,11–03,56 ind/m2. Untuk frekuensi pertumbuhan morfometrik, panjang cangkang S. cucullata dominannya adalah 04,28–04,91 cm, lebar cangkang 03,48–04,06 cm, berat isi 03,18–04,85 mg dan berat cangkang 15,86–20,43 mg. Selanjutnya untuk frekuensi pertumbuhan morfometrik S. echinata, panjang cangkang dominannya adalah 03,82–04,27 cm, lebar cangkang 02,96–03,41 cm, berat isi 03,12–04,12 mg serta berat cangkang 15,06–19,33 mg, dimana kepadatan maupun berat isi S. cucullata sangat ditentukan oleh intensitas cahaya, salinitas, suhu dan kekeruhan perairan, sedangkan kecerahan perairan kurang memberikan pengaruh yang baik bagi kepadatan maupun berat isi tiram S. cucullata, kecuali bagi pertumbuhan panjang cangkang S. echinata, panjang cangkang S. cucullata, berat isi dan berat cangkang S. echinata. The study of the existing condition of oysters was carried out at three observation stations in the estuary of Banda Masen Village during July until September 2020. The study aims to determine environmental factors, distribution, biodiversity, density, growth frequency and environmental characteristics of oysters. Samples were collected in plots with measuring 1x1 m on the left, middle and right sides of the estuary. Furthermore, the correlation parameters of water quality on density and morphometric of oysters to be analyzed base on Principle Component Analysis (PCA). The results showed that DO concentrations ranged between 07,85–07,87 mg/L, temperature 30,00–32,00°C, salinity 32,50–35,00‰, pH 07,90–08,13, turbidity 27,90–28,17 NTU, brightness 00,20–00,22 cm, depth 01,20–01,27 m and light intensity 449,00–452,00 Lux. In addition, the results of the study also depict that oysters were distributed in all observation stations which consisting of two species with density of S. cucullata and S. echinata between 02,33–04,11 ind/m2 and 02,11–03,56 ind/m2, respectively. The frequency of morphometric growth illustrates the dominant shell of S. cucullata was 04,28–04,91 cm in length, 03,48–04,06 cm in width, and 15,86–20,43 mg in weight with bulk have 03,18–04,85 mg in weight. Furthermore, the frequency of morphometrics growth of S. echinata have dominant shell was 03,82–04,27 cm in length, 02,96–03,41 cm in width, 15.06 –19,33 mg in weight with bulk have 03,12–04,12 mg in weight. The density and weight of the bulk of S. cucullata were largely determined by light intensity, salinity, temperature and turbidity of the waters. Meanwhile, the brightness did not give significant influence except for the length of two species and density also weight of S. echinata.

Tingkat Densitas Populasi Maggot Pada Media Yang Berbeda Prana Hartami; Sri Nanda Rizki; Erlangga Erlangga
Berkala Perikanan Terubuk Vol 43, No 2 (2015): Juli 2015
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Aims research to know the best substrat type for increasing the density of the maggot population. This research was conducted on December 23rd to January 22nd, 2014, at Hatchery and Aquaculture Technology laboratory Cunda, Lhokseumawe. Experimental methods was Complete Random design (CDR) non factorial with 5 treatments and 3 replication. The results showed the best treatment with combination of dregs tofu, dregs coconuts, bran and pal oilcake with the average value of the density of population of maggot 4.60 ind/cm3, weights 190 grams, and a length of 1 cm. Experimental needs to be done further Suggestions to look at other types of media to increased the population density of the maggot.

DISTRIBUSI INDUK UDANG GALAH (Macrobrachium rosenbergii) DI PANTAI TIMUR ACEH Erlangga Erlangga
Berkala Perikanan Terubuk Vol 44, No 1 (2016): Februari 2016
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Aceh province has enormous fisheries potential, both freshwater and marine fisheries. one fishery biota which is featured prospect is prawns (Macrobrachium rosenbergii). Availability of the stock of prawns has been on the decline, and therefore this studied aims to determine the distribution of the existence of the brood stock prawns where located on the east coast of Aceh. This study used survey and analysis of water quality parameter. The results showed that on the east coast of Aceh where three districts that are in stock or distribution of prawns, Aceh Utaradistrict,Aceh Timurdistrictand Aceh Tamiang district. Aceh Utara district in the Tanah Pasir, Aceh Timur in the Peurelak and Aceh Tamiang in Seuruway. Distribution mains prawns in quality still showed a good result, but in terms of quantity was declining. The cause of the reduced number of prawns among other things because of the agricultural waste that causes pollution, because the region of Aceh are still many agricultural activities that still use pesticides. In addition due to fishing activities that use stun and tuba, very deadly existence of the stock of prawns are found in the waters of Aceh.

Rumput Laut yang Tumbuh Alami di Pantai Barat Pulau Simeulue, Aceh Indonesia: Faktor Lingkungan dan Variasi Geografik Erniati Erniati; Syahrial Syahrial; Imanullah Imanullah; Erlangga Erlangga; Cut Meurah Nurul ‘Akla; Wilman Shobara; Jihad Nasuha; Gara Hasonangan Ritonga; Anggi Mayulina Daulay; Hamdi Romansah; Ibnu Amni; Tambah Lambok Berutu
Jurnal Kelautan Tropis Vol 25, No 1 (2022): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v25i1.12645

Environmental factors and geographical variations in an ecosystem are important steps in explaining the dynamics of marine communities, a study of seaweed that grows naturally on the west coast of Simeulue Island was conducted with the purpose of learning about the environmental characteristics, geographical variations, and environmental parameters that affect their distribution. The study was conducted in October 2021, and it included 5 observation stations with environmental factors measured in situ and geographic variation data using line transects along 50 m perpendicular to the shoreline and sample plots measuring 1 x 1 m every 10 m. Environmental factors that influence vegetation conditions and geographic variations of seaweed were analyzed using PCA. The study's findings revealed that conditions in the Indian Ocean with a high pH (average 07.72 ± 00.20) with moderate salinity and current velocity (average 32.47‰± 01.72 and 00.32 m/s ± 00.11, respectively) influenced the seaweed vegetation habitat. Then 21 seaweed species were identified, all of which have not been evaluated on the IUCN Red List, and their distribution is relatively rare, with a frequency of only 20%, and the seaweed zoning found at a depth of 0 - 150 cm at the lowest tide and a distance of up to 40 m inland from the edge. Furthermore, the distribution of seaweed on Simeulue Island's west coast is largely determined by DO conditions, salinity, and current velocity, whereas pH and temperature have less influence on seaweed distribution. Faktor lingkungan dan variasi geografik di suatu ekosistem merupakan langkah penting dalam menjelaskan dinamika komunitas laut, sehingga kajian rumput laut yang tumbuh alami di Pantai Barat Pulau Simeulue dilakukan dengan tujuan untuk mengetahui karakteristik lingkungan, variasi geografik dan parameter lingkungan yang mempengaruhi distribusinya. Kajian dilaksanakan pada bulan Oktober 2021 yang terdiri dari 5 stasiun pengamatan dengan faktor lingkungannya diukur secara in situ dan data variasi geografiknya menggunakan transek garis sepanjang 50 m tegak lurus garis pantai serta dibuat petak contoh berukuran 1 x 1 m disetiap 10 m dan faktor lingkungan yang mempengaruhi kondisi vegetasi maupun variasi geografik rumput lautnya dianalisis menggunakan PCA. Hasil kajian memperlihatkan bahwa habitat vegetasi rumput lautnya dipengaruhi oleh kondisi Samudera Hindia dengan konsentrasi pH perairannya tergolong tinggi (rata-rata 07.72 ± 00.20) dan konsentrasi salinitas maupun kecepatan arusnya tergolong sedang (rata-rata 32.47‰ ± 01.72 dan rata-rata 00.32 m/s ± 00.11), kemudian rumput lautnya teridentifikasi sebanyak 21 spesies yang keseluruhannya belum terevaluasi di IUCN Red List dan distribusinya tergolong jarang dengan frekuensi relatifnya kecil dari 20% serta zonasi rumput lautnya ditemukan pada kedalaman ± 0 – 150 cm saat surut terendah dan berjarak hingga ± 40 m ke arah daratan dari tubir. Selanjutnya, untuk distribusi rumput laut di pantai Barat Pulau Simeulue sangat ditentukan oleh kondisi DO, salinitas dan kecepatan arus, sedangkan parameter pH dan suhu kurang memberikan pengaruh yang baik terhadap distribusi rumput lautnya.

Effect of thyroxine and rGH hormone recombinant on growth and survival goldfish larvae, Carassius auratus (Linnaeus, 1758) Erlangga Erlangga; Zulfikar Zulfikar; Hariyati Hariyati
Jurnal Iktiologi Indonesia Vol 19 No 1 (2019): February 2019
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v19i1.431

Slow growth is obstacles to achieving the target of goldfish production (Carassius auratus auratus). The process of metabolism and growth in fish is influenced by hormonal factors. This research was conducted in February-March 2016 at Hatchery and Aquaculture Technology Laboratory Aquaculture Study Program of Faculty of Agriculture University of Malikussaleh. This study aims to examine the effect of thyroxine (T4) and hormone recombinant Growth Hormone (rGH) hormone by immersion method with different doses on growth and survival of goldfish larvae. The experimental method using a complete non factorial randomized design with four three replication treatments. The treatment is: A= control, B= T4 0.05 mgL-1 + rGH 5 mgL-1, C= T4 0.1 mgL-1 + rGH 10 mgL-1, D = T4 0.15 mgL-1 + rGH 15 mgL-1. Result of research with giving of recombination of hormone T4 and hormone rGH with different dose have an effect on to decrease of yolk volume, egg yolk absorption rate, growth and survival with p value <0,05 . The best treatment is in treatment D (T4 0, 15mgL-1 + rGH 15 mg L-1) with yolk volume and egg yolk absorption rate for 36 hours, growth weight: 3.09 mg, growth length: 1.75 mm, and 81% stability. The values of waters quality the study was 27-28 oC, pH 7.0-7.4, dissolved oxygen 5-6.1 ppm and ammonia 0.1073-0.1793 ppm, still support optimal fish growth for the goldfish. This research is expected to accelerate the growth process of the goldfish larvae with excellent syntax value. Abstrak Pertumbuhan yang lambat merupakan kendala dalam mencapai target produksi ikan maskoki (Carassius auratus auratus). Proses metabolisme dan pertumbuhan pada ikan dipengaruhi oleh faktor hormonal. Penelitian ini dilaksa-nakan pada bulan Februari-Maret 2016 di Laboratorium Pembenihan dan Teknologi Budidaya, Perairan Program Studi Budidaya Perairan, Fakultas Pertanian, Universitas Malikussaleh. Penelitian ini bertujuan untuk menguji pe-ngaruh pemberian hormon tiroksin (T4) dan hormon rGH (recombinant Growth Hormone) melalui metode peren-daman dengan dosis yang berbeda terhadap pertumbuhan dan sintasan larva ikan maskoki. Metode penelitian ekspe-rimental dengan rancangan acak lengkap non faktorial dengan empat perlakuan tiga ulangan. Adapun perlakuannya adalah: A= Kontrol, B= T4 0,05 mgL-1+ rGH 5 mgL-1, C= T4 0,1 mgL-1+ rGH 10 mgL-1, D = T4 0,15 mgL-1+ rGH 15 mgL-1. Hasil penelitian dengan pemberian rekombinasi hormon T4 dan hormon rGH dengan dosis yang berbeda ber-pengaruh terhadap penurunan volume kuning telur, laju penyerapan kuning telur, pertumbuhan dan sintasan dengan nilai p< 0,05. Perlakuan terbaik terdapat pada perlakuan D (T4 0,15 mg L-1 + rGH 15 mgL-1) dengan hasil volume kuning telur dan laju penyerapan kuning telur selama 36 jam, pertumbuhan bobot : 3,09 mg, pertumbuhan panjang : 1,75 mm, dan sintasan : 81 %. Nilai kualitas air selama penelitian yaitu suhu 27-28 oC, pH 7,0-7,4, oksigen terlarut 5-6,1 mgL-1 dan amonia 0,1073-0,1793 mgL-1, masih mendukung pertumbuhan ikan yang optimal bagi ikan mas koki. Penelitian ini diharapkan mampu mempercepat proses pertumbuhan larva ikan mas koki dengan nilai sintasan yang sangat baik.

Famili Rhizophoraceae di Hutan Mangrove KKPD Rupat Utara Provinsi Riau Bagian I, Deskripsi Anggota Syahrial Syahrial; Erlangga Erlangga; Rini Tri Lestari Sembiring; Alfi Syahrin
Jurnal Sumberdaya Akuatik Indopasifik Vol 4 No 2 (2020): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2020.Vol.4.No.2.113

Monitoring the richness of mangrove species is very much needed in formulating management and conservation of mangroves, so a study of the description of the members of the Rhizophoraceae family was conducted in July 2018 in the mangrove forest of the North Rupat KKPD. This study aims to explore the Rhizophoraceae family members who compile the North Rupat KKPD mangrove forest and also aims as a baseline in evaluating the mangrove ecosystem of the North Rupat KKPD in the future. The method used is line transect and cruising. This means that the collected specimens become more complete. A total of 5 species of Rhizophoraceae members have been identified as compilers of the North Rupat KKPD mangrove forest namely Bruguiera gymnorrhiza, B. sexangula, Ceriops tagal, Rhizophora apiculata and R. mucronata.

PENGARUH SUMBER KARBON YANG BERBEDA UNTUK PEMBENTUKAN FLOK DAN EFEKNYA PADA PERTUMBUHAN DAN SINTASAN UDANG VANAME, Litopenaeus vannamei Erlangga Erlangga; Cut Nuraini; Salamah Salamah
Jurnal Riset Akuakultur Vol 16, No 2 (2021): (Juni, 2021)
Publisher : Pusat Riset Perikanan, Badan Riset dan Sumber Daya Manusia Kelautan dan Perikanan

Udang vaname (Litopenaeus vannamei) merupakan spesies udang introduksi yang sudah banyak dibudidayakan di tambak di Indonesia. Permasalahan pada budidaya udang vaname di tambak dengan padat tebar tinggi dan penggunaan pakan protein tinggi adalah tingginya akumulasi residu/limbah budidaya. Salah satu cara memanfaatkan limbah budidaya yaitu sistem heterotrof dengan menggunakan teknologi bioflok dengan memanipulasi rasio perbandingan karbon nitrogen (C/N ratio) di dalam media budidaya. Penelitian ini bertujuan untuk mengevaluasi pembentukan flok pada pemeliharaan udang vaname dengan pemberian sumber karbon yang berbeda. Penelitian ini menggunakan metode eksperimental dengan rancangan acak lengkap yang terdiri atas lima perlakuan, yaitu: kontrol, molase, tepung terigu, tepung maizena, dan air tebu; masing-masing tiga ulangan. Setiap perlakuan diberikan pada wadah pemeliharaan udang vaname untuk menumbuhkan flok dengan menambahkan probiotik komersil. Analisis data yang dilakukan antara lain pertumbuhan dan sintasan udang, FCR, ukuran flok, volume flok, kandungan gizi flok, dan parameter kualitas air yang mendukung kehidupan udang vaname. Hasil penelitian menunjukkan bahwa pemberian sumber karbon berbeda memberikan pengaruh nyata terhadap pertumbuhan udang. Pemberian tepung terigu dalam pembentukan flok merupakan sumber karbon yang terbaik untuk meningkatkan pertumbuhan udang vaname dengan pertambahan bobot 0,56 g; panjang 1,96 cm; dan sintasan 90,67%; dengan nilai FCR 1,10; kandungan protein flok sebesar 27,15%; ukuran flok 450 mikron; dan volume flok 88 mL/L. Nilai kisaran parameter kualitas air DO 5,5-6,5 mg/L; pH 6,8-8,0; suhu 26°C-30°C; salinitas 30-33 ppt; dan amonia 0,1-1,54 mg/L. Implikasi penelitian ini membuktikan pemberian sumber karbon memberikan pengaruh terhadap peningkatan flok dan mampu meningkatkan pertumbuhan dan sintasan udang vaname. Sebaiknya diperlukan penelitian lebih spesifik untuk mencari dosis terbaik dan maksimal dari sumber karbon tepung terigu untuk pembentukan flok, pertumbuhan, dan sintasan udang vaname.Vannamei shrimp (Litopenaeus vannamei) is an introduced species of shrimp that has been widely farmed in brackishwater ponds in Indonesia. Vannamei shrimp farmed in ponds with high stocking density and fed with high protein feed produce large quantities of residues/waste. Reducing the waste could be achieved by using biofloc technology to manipulate the carbon nitrogen ratio (C/N ratio) in the culture media. This study aimed to evaluate the formation of flocks grown on different carbon sources in the rearing media of vannamei shrimp. The study used an experimental method with a completely randomized design consisting of five treatments, namely: control, molasses, wheat flour, corn starch, and sugarcane juice, each with three replications. Data analysis was carried out on shrimp growth and survival, FCR, floc size, floc volume, floc nutrient content, and water quality parameters that support the life of vannamei shrimp. The results showed that different carbon sources had a significant effect on the shrimp growth. Flour is the best source of carbon to support the formation of flocks which increases the growth of vannamei shrimp with a weight gain of 0.56 g, a length of 1.96 cm, and a survival rate of 90.67%, with an FCR value of 1.10, a floc protein content of 27.15%, a floc size of 450 microns, and a floc volume of 88 mL/L. The measured variations of DO, pH, temperature, salinity, and and ammonia were 5.5-6.5 mg/L, 6.8-8.0, 26°C-30°C, 30-33 ppt, and 0.1-1.54 mg/L, respectively. This research demonstrates that the provision of different carbon sources has an effect on increasing flocks and are able to increase the growth and survival of vannamei shrimp. It is recommended that more specific research is needed to find the best and maximum dose of wheat flour carbon sources for floc formation, growth and survival of vannamei shrimp.

Co-Authors Ade Fitria Ade Fitria Adinda Aulia Putri Alfi Syahrin Alfi Syahrin Anggi Mayulina Daulay Anggi Mayulina Daulay Anggi Mayulina Daulay Ayu Andira Ayu Andira Ayu Gustina Ayu Lestari Azhari Mataniari Azizi Ramadhan Bahagia Bahagia Bengi Pratiwi Cut Meurah Nurul ‘Akla Dian Laili Dodi Fanhalen Siregar Dodi Fanhalen Siregar Erliza Marzuki Erniati, Erniati Eva Ayuzar Eva Ayuzar Eva Ayuzar Eva Ayuzar Eva Ayuzar Febrina Rolin Firli Ariski Fitri Al Faini Siregar Gara Hasonangan Ritonga Gara Hasonangan Ritonga Hamdi Romansah Hariyati Hariyati Hayatun Nufus Helmi Gusnita Hyessica Bernardeta Lubis I Iswadi Ibnu Amni Ida Marina Harahap Imamshadiqin Imamshadiqin Imamshadiqin, Imamshadiqin Imanullah Imanullah Intan Mutia Irmayunita Irmayunita Iswadi Ak Jamin Jamin Jihad Nasuha Julianda Sahputra Khaidir Khaidir Leni, Yusyam Likdanawati Lisna Lisna Mahdaliana Mahdaliana Mahdaliana, Mahdaliana Mainisa Mainisa Mainisa Mainisa Mainisa Meutia Handayani Muhammad Hatta Muhammad Robi Muliani Muliani Muliani Muliani Munawar Khalil Munawwar Khalil Munawwar Khalil, Munawwar Nazarul Syahputra Nuriana Dila Prama Hartami Prama Hartami Rachmawati Rusydi Rachmawati Rusydi Rachmawati Rusydi Rahmatul Husna Repki Prasetyo Rian Firdaus Rini Tri Lestari Sembiring rini tri lestari sembiring Riri Ezraneti Riri Ezraneti Riri Ezraneti Riri Ezraneti Riri Ezraneti Roza Yusfiandayani Saiful Adhar Salamah Salamah Salmarika, Salmarika Sapna Biby Sohibil Yamin Solly Aryza Sri Nanda Rizki Srinanda Rizki Sutiana Sutiana Syahrial Syahrial Syahrial Syahrial Syahrial Syahrial Syahrial Syahrial Syahrul Ramadansyah Syawaluddin Akbar Tambah Lambok Berutu Umaruddin Usman Urmila Zaitun Wilman Shobara Yudho Andika Yudho Andika Yudho Andika Yudho Andika Yudho Andika Yudho Andika Yukis Angga Prasetya yuli asbar Yuli Asbar Yusril Husaen Yusril Husaen Zakiatul Fitri

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