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Production Performance and Nitrogen and Phosphorus Mass Balance in Biofloc-based African Catfish Intensive Culture at Different Densities Sumitro; Budiardi, Tatag; Fauzi, Hilmi; Ekasari, Julie
Jurnal Akuakultur Indonesia Vol. 20 No. 1 (2021): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.20.1.82-92

Abstract

This study aimed to evaluate the production performance and nitrogen and phosphorus mass balance of biofloc-based intensive African catfish Clarias gariepinus culture at different densities. African catfish with an average body weight of 2.64 ± 0.06 g was randomly distributed into 12 units of round tank with a working volume of 2 m3 of water and maintained for 8 weeks. A completely randomized experimental design with four treatments (in triplicates), i.e. a control treatment at a fish density of 500 fish m-3 with regular water exchange and without organic carbon source addition, and biofloc treatments (BFT) at three different densities, i.e. 500 fish m-3 (BFT500), 750 fish m-3 (BFT750), and 1000 fish m-3 (BFT1000). Biofloc systems were performed with a regular addition of tapioca flour (40% C). The production performance between biofloc system and the control was not significantly different, however water and nitrogen utilizations were significantly more efficient in biofloc system than those of the control. The highest fish specific growth rate was observed in BFT1000 and BFT500 (6.01% day-1 and 5.96% day-1, respectively) (P<0.05). Fish density significantly affected the fish growth performance and productivity in biofloc systems, but not nitrogen and phosphorus utilizations. In conclusion, higher fish density significantly increased the production and water utilization efficiency in biofloc systems, but has no effect on nitrogen and phosphorus utilization efficiency. Furthermore, increasing the fish density could significantly reduce the fish survival and require more efforts to control biofloc biomass in the culture system.
The addition of calcium oxide with different doses in the recirculation system to improve the abalone Haliotis squamata seed production Supriyono, Eddy; Liubana, Debora Victoria; Budiardi, Tatag; Effendi, Irzal
Jurnal Akuakultur Indonesia Vol. 19 No. 2 (2020): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.19.2.199-206

Abstract

Information about abalone growth is necessary to overcome the abalone culture sustainability. Water quality parameters are aspects that need to be reviewed, one of which is the calcium level in the water. The aim of this study was to determine the optimal calcium dose in recirculation system for abalone (Haliotis squamata) growth. The study was conducted with an experimental method with four treatments (calcium oxide with doses of 0, 15, 30, 45 mg/L) and three times replications. Abalone with 2.3 g body weight, 2.3 cm shell length, and 1.2 cm shell width was reared for 60 days in recirculation system and fed with Gracilaria verrucosa. The results showed that the best abalone treatment medium with the addition of calcium oxide to increase the abalone seed production was 15 mg/L CaO with 100% survival rate, 31.57±2.82% feed efficiency, and 0.56±0.06%/day specific growth rate. Keywords: Abalone, calcium, organ composition, production, recirculation ABSTRAK Informasi tentang pertumbuhan abalon diperlukan untuk mengatasi keberlanjutan budidaya abalon. Parameter kualitas air merupakan aspek yang perlu ditinjau. Kadar kalsium dalam air menjadi salah satu aspek yang dapat ditinjau.Tujuan dari penelitian ini adalah menentukan dosis kalsium optimal melalui sistem resirkulasi untuk pertumbuhan abalon Haliotis squamata. Penelitian ini dilakukan dengan metode eksperimental dengan empat perlakuan 3 ulangan penambahan CaO dengan dosis 0, 15, 30, dan 45 mg/L. Secara singkat, abalon dengan bobot badan 2,3 g, panjang cangkang 2,3 cm dan lebar cangkang 1,2 cm dipelihara selama 60 hari dengan sistem resirkulasi dan diberi makan dengan Gracilaria verrucosa. Hasil penelitian menunjukkan bahwa media perlakuan abalon dengan penambahan kalsium oksida terbaik untuk meningkatkan produksi abalon adalah CaO 15 mg/L dengan tingkat kelangsungan hidup 100%, efisiensi pakan 31,57 ± 2,82 %, dan laju pertumbuhan spesifik harian 0.56 ± 0.06%/hari. Kata kunci: Abalon, kalsium, komposisi organ, produksi, resirkulasi
Performance of perisel as shelter and periphyton substrate in the floating cage of Pacific white shrimp culture Palinggi, Rifka Liling; Budiardi, Tatag; Djokosetiyanto, Daniel
Jurnal Akuakultur Indonesia Vol. 20 No. 1 (2021): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.20.1.65-71

Abstract

Shrimp culture in the floating cage is expected to reduce the utilization of land and its possible negative impact to the environment. The advantages of shrimp farming in the sea include the high dissolved oxygen concentration and the better meat quality. This research aimed to enhance the production performance of shrimp through the utilization of periphyton as a natural feed for shrimp. A completely randomized design with 3 treatments (in triplicates) were applied in this experiment, i.e floating cage without perishel (control), floating cage with PE perishel and PA perishel. Shrimp with body weight of 2.5 ± 0.2 g were stocked at the initial density of 2,000 shrimp in each cage, and maintained for 90 days. No significant difference was observed in the survival amongst treatments. The lowest feed conversion ratio (1.74) and coefficient of variance (3.21) were showed in treatment PA. The highest attachment and abundances of periphyton were found in treatment PA. It was concluded that the addition of perishel inside the floating cage may contribute as natural feed source for the shrimp and thus increase the production performance of shrimp. Keywords: floating cage, Litopenaeus vannamei, periphyton, perisel, shelter ABSTRAK Budidaya udang di KJA diharapkan dapat menekan isu pemanfaatan daratan sebagai tambak yang berdampak pada permasalahan lingkungan. Keunggulan laut untuk budidaya udang, antara lain adalah kadar oksigen terlarut relatif tinggi sehingga tidak perlu kincir, dan mutu daging udang yang dihasilkan relatif lebih baik. Penelitian ini ditujukan untuk meningkatkan kinerja produksi dan memanfaatkan kesuburan perairan laut berupa perifiton sebagai pakan alami bagi udang. Penelitian ini terdiri atas tiga perlakuan, yakni: (A) kontrol (tanpa perishel), (B) jaring benang nilon (PE), dan (C) jaring benang serabut pendek (PA 6.6), masing-masing perlakuan terdiri dari tiga ulangan. Udang dengan bobot 2,5 ± 0,2 g ditebar sebanyak 2.000 ekor perwadah, dan dipelihara selama 90 hari. Hasil analisis kinerja produksi menunjukkan bahwa kelangsungan hidup tidak berbeda nyata antarperlakuan. Nilai konversi pakan terendah diperoleh pada perlakuan jaring benang PA dengan nilai 1,74. Nilai koefisien keragaman terendah diperoleh pada perlakuan jaring benang PA dengan nilai 3,21. Penempelan dan kepadatan perifiton yang cukup baik diperoleh pada jenis perishel jaring benang serabut pendek PA. Dengan demikian dapat disimpulkan bahwa dengan penambahan perishel sebagai shelter dan penumbuh perifiton diperoleh hasil produksi yang baik. Udang dapat memanfaatkan keberadaan perishel dalam wadah pemeliharaan sebagai tempat berlindung dan memperoleh makanan tambahan berupa pakan alami yang menempel pada perishel. Kata kunci: karamba jaring apung, perifiton, perisel, selter, udang vaname
The recirculated aquaculture system (RAS) development with nanobubble application to improve growth performance of grouper fish fry culture Hanif, Iik Muslihul; Effendi, Irzal; Budiardi, Tatag; Diatin, Iis
Jurnal Akuakultur Indonesia Vol. 20 No. 2 (2021): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.20.2.181-190

Abstract

One of the aquaculture commodities with high economic value is grouper fish (Epinephelus sp.). RAS is known as one of superior and suitable aquaculture systems in juvenile fish culture. RAS installed with NBs is expected to increase the stocking density and production of hybrid brown-marbled grouper. This study aimed to analyze the system performance of grouper fish juvenile culture in high stocking density with water exchange system, RAS, and combination of RAS and NBs. This study used a factorial design with two factors, namely different stocking densities and cultivation systems. The densities were 500, 600 and 700 fish/m3, while the treatment systems were RAS without NBs, RAS installed with NBs, and control treatment with 200% water change. Each treatment was replicated three times. The total aquaria used for this study were 27 as each size was 1.5 m × 0.5 m × 0.5 m. The study results showed that the RAS installed with NBs and a stocking density of 600 fish/m2 showed the best results on fish production performance. Keywords: density, growth, grouper, nanobubble, RAS ABSTRAK Pendederan ikan kerapu meripakan salah satu segmen dalam usaha budidaya ikan kerapu (Epinephelus sp.). Salah satu sistem akuakultur yang cocok yang dapat digunakan dalam pendederan ikan kerapu ini adalah sistem recirculated aquaculture system (RAS). RAS dengan instalasi nanobubble (NBs) ini diharapkan bisa meningkatkan padat tebar dan kinerja produksi benih ikan kerapu. Penelitian ini bertujuan untuk menganalisis kinerja sistem pendederan ikan kerapu dengan padat tebar tinggi berbasis sistem pergantian air, RAS, dan perpaduan antara RAS dan NBs. Rancangan percobaan yang digunakan dalam penelitian ini adalah faktorial dengan dua faktor, yaitu padat tebar dan sistem budidaya berbeda. Padat tebar yang digunakan adalah 500, 600, dan 700 ekor/m3, sedangkan sistem budidaya terdiri dari RAS tanpa NBs, RAS dengan NBs dan kontrol (sistem pergantian air 200%), setiap perlakuan terdiri dari atas tiga ulangan. Hasil penelitian menunjukkan bahwa pendederan menggunakan RAS dengan NBs dengan padat tebar 600 ekor/m2 menunjukkan kinerja produksi ikan kerapu yang terbaik. Kata kunci: ikan kerapu, kepadatan, nanobubble, pertumbuhan, RAS
Availability of puerulus from natural catch for lobster panulirus spp. nursery culture Diatin, Iis; Effendi, Irzal; Hadiroseyani, Yani; Budiardi, Tatag; Hernanda, Virta Rizki; Nidwidyanthi, Nidwidyanthi; Vinasyiam, Apriana
Jurnal Akuakultur Indonesia Vol. 21 No. 2 (2022): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.21.2.133-141

Abstract

Indonesia merupakan salah satu negara yang melakukan ekspor lobster ke negara Hongkong, Vietnam, China, dan Singapura, dengan nilai ekspor lobster Indonesia mengalami rata-rata pertumbuhan 3,54% pertahun. Produksi lobster tersebut masih mengandalkan hasil tangkapan, karena budidaya lobster belum banyak dilakukan di Indonesia. Pantai Barat Provinsi Lampung dikenal sebagai daerah tangkapan lobster yang dimanfaatkan oleh nelayan setempat sebagai sumber pendapatan utama. Untuk mengetahui potensi ekonomi dari budidaya lobster, maka dilakukan penelitian dengan tujuan menganalisis ketersediaan benih bening lobster (BBL) dan rantai pasok lobster sebagai suplai benih untuk kebutuhan budidaya lobster. Metode penelitian ini dilakukan dengan metode survei di Kecamatan Krui Selatan, Kabupaten Pesisir Barat, Lampung. Responden dalam penelitian adalah para nelayan penangkap BBL dan pengepul BBL. Penentuan responden dilakukan dengan metode snowball sampling. Hasil penelitian menunjukkan bahwa jenis lobster utama yang ditangkap adalah jenis lobster pasir dan lobster Mutiara. Hasil tangkapan nelayan lobster pada bulan gelap yaitu rata-rata 121 340 ekor BBL/bulan, sedangkan pada bulan terang rata-rata 4 680 ekor BBL/bulan, sehinnga dalam setahun benih yang dihasilkan mencapai 1.500.000 ekor BBL. BBL hasil tangkapan nelayan akan dijual pengepul kecil, selanjutnya ke pengepul besar, distributor dan eksportir. BBL terdistribusi ke berbagai wilayah mencakup Lampung, Bengkulu, Jambi, Palembang dan Jakarta. Marjin pemasaran yang diperoleh pengepul kecil dan besar mencapai 15 %. Produksi benih lobster yang melimpah di perairan Pantai Pesisir Barat Lampung sangat berpotensi untuk pengembangan budidaya pendederan lobster sebagai sumber ekonomi baru.
Health Status of Spiny Lobster Panulirus homarus with Sub-Mersible Net Cage System in the Different Depths at Kepulauan Seribu, DKI Jakarta Wahjuningrum, Dinamella; Effendi, Irzal; Hadiroseyani, Yani; Budiardi, Tatag; Diatin, Iis; Setiawati, Mia; Puji Hastuti, Yuni; Oman Sudrajat, Agus; Yonvitner; Sri Nuryati; Utami, Putri
Jurnal Akuakultur Indonesia Vol. 21 No. 1 (2022): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.21.1.68-80

Abstract

ABSTRACT Cultivation of Panulirus homarus lobster is now carried out with sub-mersible net cage system at a certain depth in order to obtain optimal temperature, light and water pressure. The purpose of this study was to evaluate the health status of the sand lobster P. homarus which was kept in sub-mersible net cage system measuring 250 cm × 272 cm × 135 cm with a depth of 6 m and 8 m in the waters of Semak Daun Island, Seribu Islands, DKI Jakarta. The average size of lobster seeds used was 93.23 ± 0.99 g/head with a density of 4 lobsters/m2. Lobsters were fed trash fish, molluscs and crustaceans, with a frequency of twice a day at 07.00 WIB 30% and 17.00 WIB 70% of the lobster biomass weight. This study used a completely randomized design with the two depth treatments mentioned above and three replications. Observations of total haemocyte count, differential haemocyte count, phenoloxidase activity, respiratory burst phagocytic activity and histology of lobster hepatopancreas were performed twice every 14 days. Based on the above observations, the depth does not affect the immune response, there is no visible damage to the cells and tissues of the lobster hepatopancreas. Keywords: haemolymph, histology, lobster cultivation, sea, sub-mersible net cage system
Production performance of nursery graded eel Anguilla bicolor bicolor in recirculating aquaculture system Budiardi, Tatag; Effendi, Irzal; Rahman, Muhammad Aghistni; Vinasyiam, Apriana
Jurnal Akuakultur Indonesia Vol. 21 No. 2 (2022): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.21.2.109-127

Abstract

The growth rate highly varies in nurseries of eel. Variations in size lead to competition in obtaining feed, this causes stunting of smaller fish. This situation leads to high production costs due to poor feed utilization efficiency. Grading needs to be done periodically to improve nursery production performance. Water quality is controlled by a recirculation system that can support production performance through the degradation of toxic compounds. This study aims to analyze the production and nursery performance of graded eel (Anguilla bicolor bicolor) that graded in the same batch in a recirculation system. Completely randomized design (CRD) consisting of three treatments with four replications was used in this research. The treatments included nursery of graded eels for 60 days in three groups of initial weight size, namely 0,35±0,00 g (A); 0,50±0,00 g (B); and 1,04±0,00 g (C). There were 344 eels (A), 239 eels (B), and 116 eels (C) in each replication. The best nursery production performance was obtained in the treatment of 1,04±0,00 g, and the best nursery business performance was obtained in the treatment of 0,50±0,00 g.
Production and business performance of Anguilla bicolor fingerlings in a recirculation system with different stocking densities Budiardi, Tatag; Diatin, Iis; Arlita, Kriswidya; Vinasyiam, Apriana; Sudrajat, Agus Oman; Setiawati, Mia; Affandi, Ridwan; Kamal, Mohammad Mukhlis; Wahju, Ronny Irawan; Nurilmala, Mala
Jurnal Akuakultur Indonesia Vol. 22 No. 2 (2023): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.22.2.156-169

Abstract

Eel (Anguilla bicolor) in the grow-out culture requires good fingerling seeds. Increasing the eel productivity can be done by increasing the stocking density, that should be balanced with good environmental and feed management. This study aimed to analyze the production and business performance of fingerlings in a recirculation system to increase the eel survival and growth rate. The study used a completely randomized design with three different stocking densities, namely 4 g/L (A), 5 g/L (B), and 6 g/L (C). The average weight of each fingerling was 20 ± 4.09 g, that was kept in a 1.5-m3 pond with a recirculation system. Feeding was performed two times a day using commercial feed with probiotic supplementation. The results showed that different stocking densities significantly affected feed conversion ratio, total biomass weight, and coefficient of variance. However, different stocking densities had no significant effect on survival rate, absolute weight growth rate, specific weight growth rate, and condition factor. The C treatment obtained the highest profit with an R/C ratio of 1.20 ± 0.03. The best production and cultivation performance of eel fingerling in a recirculation system with different stocking densities is found in treatment C (6 g/L). Keywords: Anguilla bicolor, business performance, production performance, recirculation system, stocking density ABSTRAK Budidaya ikan sidat (Anguilla bicolor) pada segmen pembesaran memerlukan benih yang baik khususnya untuk benih fingerling. Upaya peningkatan produksi benih ikan sidat dapat dilakukan dengan peningkatan padat tebar yang diiringi dengan manajemen lingkungan dan pakan yang baik. Tujuan penelitian ini menganalisis kinerja produksi dan kinerja usaha pada pemeliharaan fingerling dalam sistem resirkulasi sehingga meningkatkan kelangsungan hidup dan pertumbuhan. Penelitian menggunakan rancangan acak lengkap yang terdiri atas 3 perlakuan padat tebar dengan tiga ulangan, yaitu padat tebar 4 g/L (A), 5 g/L (B), dan 6 g/L (C). Fingerling ikan sidat yang digunakan berbobot awal 20 ± 4,09 g/ekor, yang dipelihara dalam bak 1,5 m3 dengan sistem resirkulasi. Pakan diberikan dua kali sehari berupa pakan buatan komersial yang diberi probiotik. Hasil penelitian menunjukkan bahwa padat tebar berpengaruh nyata terhadap parameter rasio konversi pakan, laju pertumbuhan mutlak biomassa, dan koefisien keragaman bobot tetapi tidak berpengaruh nyata terhadap tingkat kelangsungan hidup, laju pertumbuhan mutlak bobot, laju pertumbuhan spesifik bobot, dan faktor kondisi. Hasil analisis kinerja usaha budidaya fingerling dengan padat tebar berbeda menunjukkan berbeda nyata dan sebanding dengan kinerja produksi. Perlakuan C memberikan keuntungan tertinggi dengan rasio R/C sebesar 1,20 ± 0,03. Kinerja produksi dan kinerja usaha budidaya fingerling ikan sidat (Anguilla bicolor) dalam sistem resirkulasi dengan padat tebar berbeda terbaik terdapat pada perlakuan C (6 g/L). Kata kunci: Anguilla bicolor, kinerja produksi, kinerja usaha, padat tebar, sistem resirkulasi
The production performance of Nile tilapia Oreochromis niloticus and mineral balance in aquaponic, biofloc, and aquabioponic culture systems Radi Ihlas Albani; Budiardi, Tatag; Yani Hadiroseyani; Julie Ekasari
Jurnal Akuakultur Indonesia Vol. 22 No. 1 (2023): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.22.1.66-79

Abstract

Aquaponics and biofloc are aquaculture techniques for reducing nitrogenous waste with less water exchange. Aquaponics reduces nitrate (NO3-) through the role of vegetable plants, while biofloc assimilates ammonia (NH4+) through the role of floc-forming bacteria. In this study a collaboration was designed between aquaponics and biofloc called aquabioponics. This study was conducted to evaluate the performance of tilapia production, as well as to observe the dynamics of P, K, Ca, Mg, Fe, Mn, Zn, and Cu minerals formed in the system. This study used a completely randomized design with three treatments and three replications, namely aquaponics (AP), biofloc (BF), and aquabioponics (AB). The AP integrates water in fish tank with vegetable, and does not use additional organic carbon sources. BF uses the addition of an organic carbon source, but does not integrate vegetables. Meanwhile, AB uses the addition of an organic carbon source (half of the dose in BF) and also integrates vegetables. Nile tilapia Oreochromis niloticus with a length of 5.56 ± 0.13 cm and a weight of 5.92 ± 0.47 g totaling 200 individuals were monitored for 60 days in a fiber tank containing 500 L of water in each treatment. The vegetables used in the AP and AB are Pok Choi which is harvested every 30 days. In this study, aquabioponics is a system that produces the best tilapia production performance. The minerals Ca, Mg, Mn, Zn, and Cu are thought to be essential in aquaponics and aquabioponics, while Mg is thought to be essential in bioflocs. Keywords: aquaponic, aquabioponic, biofloc, minerals, Nile tilapia ABSTRAK Akuaponik dan bioflok adalah teknik akuakultur untuk mereduksi limbah nitrogen dengan sedikit pertukaran air. Akuaponik mereduksi nitrat (NO3-) melalui peran tanaman sayuran, sedangkan bioflok mengasimilasi amonia (NH4+) melalui peran bakteri pembentuk flok. Penelitian ini merancang kolaborasi antara akuaponik dan bioflok yang disebut akuabioponik. Penelitian dilakukan untuk mengevaluasi kinerja produksi ikan nila, serta mengamati dinamika mineral P, K, Ca, Mg, Fe, Mn, Zn, dan Cu yang terbentuk di dalam sistem. Penelitian ini menggunakan rancangan acak lengkap dengan tiga perlakuan dan tiga ulangan, yaitu akuaponik (AP), bioflok (BF), dan akuabioponik (AB). AP mengintegrasikan air pemeliharaan ikan dengan penanaman sayur, dan tidak menggunakan penambahan sumber karbon organik. BF menggunakan penambahan sumber karbon organik, namun tidak menggintegrasikan sayuran. AB menggunakan penambahan sumber karbon organik (setengah dari dosis pada BF) dan juga mengintegrasikan sayuran. Ikan nila Oreochromis niloticus dengan panjang 5.56±0.13 cm dan bobot 5.92 ± 0.47 g sebanyak 200 ekor dipelihara selama 60 hari pada bak fiber berisi 500 L air di setiap perlakuan. Sayuran pada AP dan AB adalah Pok Choi yang dipanen setiap 30 hari. Pada penelitian ini, akuabioponik merupakan sistem yang menghasilkan kinerja produksi ikan nila terbaik. Mineral Ca, Mg, Mn, Zn, dan Cu diduga esensial pada akuaponik dan akuabioponik, sedangkan pada bioflok mineral yang diduga esensial adalah Mg. Kata kunci: akuaponik, akuabioponik, bioflok, ikan nila, mineral
First Record of Anguillid Herpesvirus 1 Linked to a Mass Mortality Event in Shortfin Eel (Anguilla bicolor) in Indonesia Romadhona, Ekky Ilham; Widantara, Handang; Aslia, Aslia; Megawati, Novi; Ardiansyah, Arif Rahmat; Larassagita, Annisa Fitri; Dewi, Kiki Mariya; Farman, Aditia; Chaidir, Iding; Sujatmiko, Wisnu; Yaniharto, Dedy; Budiardi, Tatag; Aliah, Ratu Siti; Sutanti, Sutanti
Jurnal Medik Veteriner Vol. 8 No. 1 (2025): April
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmv.vol8.iss1.2025.134-143

Abstract

Anguillid herpesvirus 1 (AngHV-1), a member of the Alloherpesviridae family, is known to cause high mortality in both wild and farmed eels. Notably, no cases of AngHV-1 infection in Indonesia until June 2023, when a significant mortality rate exceeding 75% among cultured glass eels was documented in Bogor, Indonesia. This study investigated the outbreak by collecting 30 diseased fish from multiple cultured tanks to examine clinical symptoms, histopathological changes, and viral presence through PCR targeting the viral DNA polymerase gene. Hemorrhagic lesions in the abdomen and anal regions were the primary clinical symptoms. Histopathological examination revealed hyperplasia, fusion, and epithelial lifting of the gill secondary lamellae. PCR, using 394 bp primer specific for AngHV-1, confirmed 100% infection among the collected samples, indicating rapid viral transmission within the rearing environment. Phylogenetic analysis of partial DNA polymerase amino acid sequences showed that Indonesian AngHV-1 isolate is genetically diverse and shares similarities with strains from China, Taiwan, Canada, and several European countries, suggesting the emergence of a novel strain. This study highlights the urgent need for enhanced biosecurity measures to curb AngHV-1 spread in the Indonesian eel aquaculture sector.
Co-Authors Ade Yulita Hesti Lukas Agoes Mardiono Jacoeb Agus Oman Sudrajat Aisyah Lukmini Am Azbas Taurusman Andre Rachmat Scabra Apriana Vinasyiam Apriani, Ita Ardiansyah, Arif Rahmat Ardina Puspitasari, Ardina Ardyen Saputra, Ardyen Arfan Afandi Arlita, Kriswidya Asep Santosa Aslia, Aslia Astari, Belinda Atul Hayati, Mira Bambang Gunadi Bambang Gunadi Bambang Priyo Utomo Budiyanti Chaidir, Iding Chairul Muluk Charles Parningotan Haratua Simanjuntak Daffa Nuradzani Daniel Djokosetiyanto Dedi Soedharma Dedi Suprianto Dedy Suprianto dedy yaniharto Dewi, Kiki Mariya Dinamella Wahjuningrum Dudi Muhammad Wildan Eddy Supriyono Eka Hidayatus Solikhah Eko Harianto, Eko Enang Harris Enang Harris Enang Harris Farman, Aditia Fauzan, Tezza Fauzi, Hilmi Febrina Rolin Ferdinand Hukama Taqwa Fitria Nawir, Fitria Hadra Fi Ahlina Hanif, Iik Muslihul Hany Handajani Hernanda, Virta Rizki Hidayat, Acep Muhamad Iis Diatin INDRAYANI INDRAYANI Irawan, D Y Irza Effendi Irzal Effendi Ita Apriani Julie Ekasari Kardiyo Praptokardiyo Kukuh Nirmala Larassagita, Annisa Fitri Latifa Fekri Liubana, Debora Victoria M. F. Rahardjo Mala Nurilmala Megawati, Novi Mia Setiawati Mohammad Mukhlis Kamal MUHAMMAD AGUS SUPRAYUDI Muhlis Muhlis Nidwidyanthi, Nidwidyanthi Nur Bambang Priyo Utomo Nur Bambang Priyo Utomo Palinggi, Rifka Liling Puji Hastuti, Yuni Putri Utami, Putri Radi Ihlas Albani Rahardjo, Muhammad Fajar Rahmadya, Naufal Dwi Rahman, Muhammad Aghistni Ratu Siti Aliah Reza Samsudin RIDWAN AFFANDI Ridwan Affandi Riska Puluhulawa Rizki, Rani Ria Rizsa Mustika Pertiwi Romadhona, Ekky Ilham Rona Albrettico Nemanita Ginting Ronny I. Wahju Saputra, Adang Sophia N. M. Fendjalang Sri Nuryati Sufal Diansyah Sujatmiko, Wisnu Sujono Sujono Sukenda . Sukenda Sukenda Suko Ismi Sumitro sutanti sutanti Tuti Puji Lestari Vinasyam, Apriana WIDANARNI WIDANARNI Widanarni Widanarni Widantara, Handang Y. Hadiroseyani Yani Haderoseyani Yanti Sinaga Yonvitner - Zumiza Sari