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All Journal HAYATI Journal of Biosciences Jurnal Akuakultur Indonesia Jurnal Perikanan Kelautan Jurnal Natur Indonesia Journal of Aquaculture Management and Technology BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Ilmu-Ilmu Perikanan dan Budidaya Perairan Omni-Akuatika Jurnal Perikanan Universitas Gadjah Mada Indonesian Aquaculture Journal Jurnal Riset Akuakultur Media Akuakultur Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Journal of Aquaculture and Fish Health Jurnal Abdi Insani Jurnal Kedokteran Hewan Journal of Fisheries & Marine Biodiversitas Journal of Biological Diversity

Sri Nuryati

Department Of Aquaculture, Faculty Of Fisheries And Marine Sciences, IPB University Bogor, West Java, 16680. Indonesia

Author-ID : 336092

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The Evaluation of the Addition of Commercial Yeast with β -Glucan Content in Feed on the Immunity of Snakehead Fish Channa striata Infected by Aeromonas hydrophila Bacteria Tiara Puspa Anjani; Dinamella Wahjuningrum; Sri Nuryati; Ikhsan Khasani
Journal of Aquaculture and Fish Health Vol. 10 No. 2 (2021): JAFH Vol. 10 No. 2 June 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i2.22766

Snakehead fish Channa striata is a high commercial freshwater fish commodity. It has the potential as a pharmaceutical ingredient. Intensive snakehead fish cultivation starts to experience a problem, namely Motile Aeromonas Septicemia (MAS) caused by Aeromonas hydrophila. The purpose of this study is to evaluate the effect of the addition of commercial yeast in feed to improve snakehead fish immunity. This study was designed with a completely randomized design (CRD) with 5 treatments with 3 replications (reared in the net) and 6 treatments with 3 replications (reared in the aquarium). The treatments were K (feed without yeast), F5 (feed with the addition of 5 g/kg of cake yeast), R3 (feed with the addition of 3 g/kg of tempeh yeast, R5(feed with the addition of 5 g/kgof tempeh yeast), and R7 (feed with the addition of 7 g/kg of tempeh yeast). The results show that the survival rate after 30 days is 88.89- 92.22%. The best treatment after A. hydrophila infection was found in fish fed with 3 g/kg oftempehyeast with a survival rate of 56.67%, total erythrocytes of 4.07x 106 mm-3 cells, hemoglobin of 7.40 g% of total leukocytes 4.97x 104 mm-3 cells and phagocytic activity of 33.67. In conclusion, the addition of tempeh yeast at a dose of 3 g/kg could be used as an alternative to prevent the effect of A. hydrophila pathogen infection in snakehead fish.

Combination of Nigella sativa and Phyllanthus niruri as An Immunostimulant for The Prevention of White Spot Disease in Litopenaeus vannamei Wida Lesmanawati; Wasmen Manalu; Min Rahminiwati; Muhammad Agus Suprayudi; Sri Nuryati
Journal of Aquaculture and Fish Health Vol. 11 No. 3 (2022): JAFH Vol. 11 No. 3 September 2022
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v11i3.27470

Pacific whiteleg shrimp (Litopenaeus vannamei) is a very important commodity, which accounts for almost 70% of the total world shrimp production. However, this production is still threatened by disease attacks, one of which is caused by white spot disease (WSD). Herbs are widely used as immunostimulants as an effort to prevent diseases. Black cumin (Nigella sativa) and stone breaker (Phyllanthus niruri) have long been known as excellent immunostimulants in human. This study aimed to evaluate the potential of N. sativa and its combination with P. niruri as an immunostimulant in L. vannamei for preventing WSD. Tested shrimp (±3.0 g) were treated by N. sativa (N), P. niruri (P) and the combination of both (1N:1P, 2/3N:1/3P, 3/4N:1/4P, 1/3N:2/3, 3/5N:2/5P, 1/4N: 3/4P, 2/5N:3/5P) through feed for 28 days. They were then infected by white spot syndrome virus (WSSV) and observed for 7 days. The parameters observed included immune response and production performance. N. sativa was able to reduce the mortality of test shrimp infected with WSSV, with an RPS value of 71%. N. sativa can be combined with P. niruri in the right composition (1/2N:1/2P and 2/3N:1/3P), while the other combinations are antagonistic. The administration of the best treatments in this study, relatively did not affect the value of total hemocyte count, phenoloxidase activity, respiratory burst activity, hemolymph clotting time and production performance of tested shrimp.

Efikasi Vaksin Booster Streptococcus agalactiae pada Induk Ikan Nila Terhadap Imunitas Maternal untuk Pencegahan Streptococcosis Dendi Hidayatullah; Sukenda Sukenda; Sri Nuryati; Rahma Mulyani; Ardana Kurniaji
Jurnal Ilmu-ilmu Perikanan dan Budidaya Perairan Vol. 17 No. 2 (2022): Jurnal Ilmu-ilmu Perikanan dan Budidaya Perairan
Publisher : University of PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/jipbp.v17i2.9277

Bakteri Streptococcus agalactiae merupakan patogen utama yang menyerang ikan nila mulai fase benih hingga dewasa. Tujuan penelitian ini yaitu untuk menguji efikasi vaksin booster S. agalactiae di induk ikan nila sebelum pemijahan kedua terhadap imunitas maternal untuk pencegahan streptococcosis. Vaksin gabungan sediaan sel utuh dan produk ekstraselular (ECP) S. agalactiae diinjeksi sebanyak 0,4 mL/kg induk ikan dengan perbandingan 50:50% (v/v) dari dosis penyuntikan, sedangkan kontrol diinjeksi dengan phosphate buffered saline (PBS). Vaksin diberikan ke induk ikan pada fase tingkat kematangan gonad dua (TKG 2). Perlakuan penelitian yaitu induk diinjeksi PBS (K), induk diinjeksi vaksin satu kali (A), dan induk diinjeksi vaksin booster setelah pemijahan pertama (B). Uji tantang benih dari setiap induk perlakuan dilakukan melalui perendaman S. agalactiae 107 CFU/mL selama 30 menit pada umur benih 5, 10, 15, dan 20 hari setelah menetas. Hasil penelitian menunjukkan terdapat perbedaan yang signifikan (P<0,05) pada total leukosit dan aktivitas fagositik induk ikan. Level antibodi dan lisozim induk, telur, dan benih dari perlakuan B signifikan lebih tinggi (P<0,05) dibandingkan dengan perlakuan induk lainnya. Daya tetas telur dari perlakuan induk B (94,52%) signifikan lebih tinggi (P<0,05) dari pada perlakuan induk lainnya. Nilai Relative percent Survival benih dari perlakuan induk B tidak berbeda signifikan (P>0,05) dengan perlakuan benih dari induk A pada hari ke-5 tetapi, signifikan lebih tinggi (P<0,05) pada hari ke-10 hingga 20 pascatetas (96,61-54,17%). Pemberian vaksin booster di induk ikan nila sebelum pemijahan kedua dapat menstimulasi peningkatan imunitas dan transfer imunitas maternal ke anaknya untuk pencegahan streptococcosis.

EVALUATION OF RESISTANCE AND GENE EXPRESSION OF BARRAMUNDI, Lates calcarifer POST-INFECTION OF NERVOUS NECROSIS VIRUS Fitriyah Husnul Khotimah; Alimuddin Alimuddin; Dinar Tri Soelistyowati; Sri Nuryati; Ketut Sugama; Ahmad Muzaki; Indah Mastuti; Sari Budi Moria Sembiring; Ketut Mahardika; Harton Arfah; Haryanti Haryanti
Indonesian Aquaculture Journal Vol 17, No 2 (2022): (December, 2022)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/iaj.17.2.2022.97-106

The most common problem in barramundi Lates calcarifer seedling production is the high mortality (> 90%) caused by nervous necrosis virus (NNV) infection. This research aims to evaluate the resistance and gene expression of barramundi challenged by NNV. Two populations were used in this study, i.e., Australian, and Situbondo-originated barramundi populations. The immune-related gene expression levels in the liver, head of kidney, and spleen were observed at 48 and 96 hours after post-infection (hpi). Barramundi’s survival and blood parameters were evaluated post-NNV infection. The results showed that the highest survival was revealed in Situbondo’s barramundi (42.0±4.47%) compared to Australian barramundi (20.0±7.07%) and no mortality was observed in the control without NNV infection. The higher survival rate in barramundi from Situbondo was in line with the blood profile. The number of red blood cell from Situbondo barramundi post-NNV infection (ST) at 96 hpi was higher (P<0.05) than Australian barramundi post-NNV infection (AT). The number of white blood cell of ST at 48 hpi was higher (P<0.05) than AT, but started to decrease at 96 hpi in ST barramundi. The total white blood cell in AT barramundi increased from 48 to 192 hpi. TNFα and IL1-β gene expression levels were significantly higher in the liver, head kidney, and spleen of Situbondo compared to Australian barramundi at 48 hpi, while MHCIIα gene expression in Situbondo’s was significantly higher compared to Australian barramundi at 96 hpi. These results indicate the important roles of all the genes in the barramundi’s immune responses against viral infection. Based on the results of the research, Situbondo’s barramundi has the potential to be used as a candidate for generating broodstock of disease-resistant strain.

Identification of a Potential SNP Related to the Expression of Immune Genes and Its Possible Application to Selection of WSSV-Resistant Pacific White Shrimp (Litopenaeus vannamei) Bagus Rahmat Basuki; Alimuddin Alimuddin; Dinar Tri Soelistyowati; Sri Nuryati
Jurnal Ilmiah Perikanan dan Kelautan Vol. 15 No. 2 (2023): 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.39110

Highlight Research A molecular marker for shrimp selection in disease resistance. Single nucleotide polymorphisms (SNP) in the ALF gene strongly correlate with shrimp resistance to WSSV infection. Higher ALF gene expression in survivor shrimp. SNP as molecular marker inherited in the first generation (G1) shrimp. ARMS-PCR method successfully detect SNP in the shrimp ALF gene. Abstract The Pacific white shrimp (Litopenaeus vannamei) is Indonesia's main export commodity, but its production is constrained by the white spot syndrome virus (WSSV). Selective breeding of disease-resistant broodstock based on single nucleotide polymorphism (SNP) in the anti-lipopolysaccharide factor (ALF) gene is an alternative strategy for solving the disease problem. This study aimed to detect the SNP g.455 A>G in the anti-lipopolysaccharide factor (ALF) shrimp gene, evaluate the correlation of SNP with WSSV-resistance trait, analyze the expression level of immunity genes and genotype frequencies of the WSSV-resistance population shrimp and analyze the SNP inheritance in the first generation of selected shrimp. A total of 120 individuals from 4 families were used to detect the SNP marker using tetra-primer amplification refractory mutation system-polymerase chain reaction (ARMS-PCR). The correlation of the SNP marker with survival rate (SR) was analyzed using a general linear model (GLM) between genotype frequencies and SR. Genotypic similarities between broodstock and pedigree were analyzed using Chi-square. SNP g.455 A>G was successfully detected using the ARMS-PCR method and had a strong correlation between the marker and SR (p-value of AA = 0.012; AG = 0.359, and GG = 0.001). The resistant population has significantly higher ALF and SOD gene expression levels and AA genotype frequency. The SNP marker was inherited, so the broodstock and pedigree have the same genotype frequencies according to chi-square analysis (Ï‡2 = 0.46 and p-value = 0.497). These results suggested that the g.455 genotype AA could be selected to produce WSSV-resistant Pacific white shrimp.

Evaluation of Recombinant Viral Inhibitor Protein for Whiteleg Shrimp Resistance Against White Spot Syndrome Virus Afif Abdurrahman; Alimuddin Alimuddin; Agus Oman Sudrajat; Sri Nuryati
Jurnal Perikanan Universitas Gadjah Mada Vol 25, No 2 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.76626

Viral inhibitor protein (VIP) contributes to shrimp resistance against virus infection. VIP can be used as a new strategy to control white spot syndrome virus (WSSV) infection in shrimp culture by inhibiting its action. This study aimed to evaluate the application of VIP on the whiteleg shrimp (Litopenaeus vannamei) to inhibit the WSSV infection. Shrimp at an average body weight of 6.66±0.08 g was injected by recombinant VIP with two different concentrations (1 μg/g and 10 μg/g) and challenged with WSSV. As a positive control was the shrimp not injected with recombinant VIP and challenged with WSSV, and as a negative control was the shrimp not injected with recombinant VIP and not challenged with WSSV. The results showed that the survival rate of shrimp that were injected with recombinant VIP was significantly increased after being challenged with WSSV (P<0.05). The survival and immune response of shrimp that were injected with recombinant VIP were higher than the positive controls (P<0.05). In this study, the application of recombinant VIP can significantly increase the shrimp resistance against WSSV up to 95.65% higher than the positive control.

SNP2-Lys-C markers inheritance, genes expression, and the resistance of second-generation Catfish Clarias gariepinus against Aeromonas hydrophila infection Hanggara, Yudha; Alimuddin, Alimuddin; Tri Soelistyowati, Dinar Tri Soelistyowati; Nuryati, Sri
Jurnal Akuakultur Indonesia Vol. 24 No. 1 (2025): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.24.1.1-9

High mortality rates in catfish seed caused by motile Aeromonas septicemia disease caused by Aeromonas hydrophila infection. The primary focus is on the genetic selection of the second generation (G2) catfish for resistance to A. hydrophila, utilizing the type-C lysozyme gene at SNP-2 genotype TT. The objective is to assess the inheritance of the SNP2-Lys-C genetic marker from the first generation (G1) Sangkuriang breeders and to evaluate the resistance of the G2 seed to infection. In the experiment, G1 breeders with the TT genotype were spawned, and the resulting G2 seed were challenged with A. hydrophila. The findings indicate that all G2 seed possess the TT genotype and exhibit a higher survival rate compared to the dominant CT genotype seed. The expression of the Lys-C gene in G2 seed is elevated at the onset of infection, decreasing after the seventh day. The expression of the MHC1a and IL-1b genes is also associated with a higher survival rate. The survival of G2 seed correlates with the white blood cell and lysozyme activity, along with an increase in phagocytic activity peaking on the seventh day post-challenge. The conclusion of this study suggests that G2 catfish seed with the TT genotype have stronger resistance to A. hydrophila infection compared to seed with the dominant CT genotype. Keywords: Aeromonas hydrophila, catfish, genotype, lysozyme, resistance ABSTRAK Mortalitas tinggi yang terjadi pada benih lele yang disebabkan oleh penyakit motile aeromonas septicemia akibat Aeromonas hydrophila. Fokus utama adalah pada seleksi genetik generasi kedua (G2) lele untuk resistensi terhadap A. hydrophila, menggunakan gen lisozim tipe-C pada SNP-2 genotipe TT. Studi ini bertujuan menilai pewarisan marka genetik SNP2-Lys-C dari induk sangkuriang generasi pertama (G1) dan mengevaluasi ketahanan benih G2 terhadap infeksi. Dalam eksperimen, induk G1 genotipe TT dipijahkan dan benih G2 yang dihasilkan diuji dengan bakteri A. hydrophila. Hasil menunjukkan bahwa semua benih G2 memiliki genotipe TT dan menunjukkan tingkat kelangsungan hidup yang lebih baik dibandingkan dengan benih dominan genotipe CT. Ekspresi gen Lys-C pada benih G2 tinggi pada awal infeksi, menurun setelah hari ketujuh. Ekspresi gen MHC1a dan IL-1b juga terkait dengan tingkat kelangsungan hidup yang lebih tinggi. Kelangsungan hidup benih G2 berkorelasi dengan jumlah sel darah putih dan aktivitas lisozim, serta peningkatan aktivitas fagositik yang mencapai puncak pada hari ketujuh. Kesimpulan studi ini menunjukkan bahwa benih lele G2 dengan genotipe TT memiliki resistensi yang lebih kuat terhadap infeksi A. hydrophila dibandingkan dengan benih dominan genotipe CT. Kata Kunci: Aeromonas hydrophila, genotipe, ikan lele, lisozim, resistan

Histopathology of liver, kidney, intestine, spleen, and bile of catfish with Jaundice Asrido, Farhan; Nuryati, Sri; Widanarni, Widanarni
Jurnal Akuakultur Indonesia Vol. 23 No. 2 (2024): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.23.2.250-261

Jaundice is a disease that can affect catfish, resulting in low or unsalable selling prices. The yellow colour in catfish is associated with tissue/organ disorders, particularly bile or liver function. This study aims to compare the histopathological structure of the liver, kidney, intestine, spleen, and bile of naturally jaundiced catfish and those injected with bacteria associated with jaundice. The study employed the observation method, using three variables: healthy catfish as a control (K), yellow catfish treated with Aeromonas spp. bacteria associated with jaundice (KP), and yellow catfish from the farm (KL). The results of the observation showed that the field scale variable (KL) had a higher level of necrosis damage in each organ compared to the laboratory scale variable (KP). The yellow colour in catfish is caused by disrupted organ tissue, particularly in the bile or liver. This can be observed in the liver, intestines, kidneys, spleen, and bile, where the field variable consistently indicates high levels of necrosis damage, with scores ranging from 1.11 to 2.48. Some of these scores indicate moderate damage, with a necrosis percentage of 40% ≤ P < 60% in the liver, kidneys, and bile organs. Keyword: Clarias sp., histopathology, jaundice, necrosis ABSTRAK Salah satu penyakit yang menyerang ikan lele adalah penyakit kuning atau dikenal juga dengan jaundice, yang dapat mengakibatkan harga jual menjadi rendah atau bahkan tidak dapat dijual. Warna kuning pada ikan lele dikaitkan dengan gangguan jaringan / organ, terutama empedu atau fungsi hati. Penelitian ini bertujuan untuk membandingkan struktur histopatologi organ hati, ginjal, usus, limpa, dan empedu ikan lele yang sakit kuning baik yang alami maupun yang diinjeksi dengan bakteri yang berasosiasi dengan penyakit kuning. Penelitian ini menggunakan metode observasi dengan tiga variabel yaitu ikan lele sehat sebagai kontrol (K), ikan lele kuning yang diberi perlakuan injeksi dengan bakteri yang berasosiasi dengan penyakit kuning yaiatu bakteri Aeromonas spp. (KP), dan ikan lele kuning yang berasal dari farm (KL). Hasil pengamatan yang diperoleh menunjukkan bahwa variabel skala lapangan (KL) memiliki tingkat kerusakan nekrosis paling tinggi pada setiap organnya dibandingkan dengan variabel skala laboratorium (KP). Warna kuning pada ikan lele berhubungan dengan terganggunya jaringan organ terutama empedu atau fungsi hati. Terlihat pada organ hati, usus, ginjal, limpa, dan empedu bahwa variabel lapangan selalu mendapatkan skor tingkat kerusakan nekrosis yang tinggi dengan kisaran nilai skoring 1,11-2,48 yang sebagian tergolong kerusakan sedang dengan persentase nekrosis 40% ≤ P<60% pada organ hati, ginjal, dan empedu. Kata kunci: Clarias sp., histopatologi, nekrosis, penyakit kuning

Study on antifungal potency of Terminalia cattapa, Piper betle, Psidium guajava, and Andrographis peniculata on the growth of Aphanomyces in vitro Nuryati, Sri; Rahman, .; Taukhid, .
Jurnal Akuakultur Indonesia Vol. 4 No. 2 (2005): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

An effort to prevent aquatic fungi Aphanomyces sp. infection on fish using natural material can be an economically way, easy to find the materials, easy to apply and safe for environment. The antifungal potency and efficacy of scalded-leaf extract of Terminalia cattapa, Piper betle, Psidium guajava and Andrographis peniculata on prevention of Aphanomyces sp. growth in vitro in GYA medium. Scalding was performed in the water at 50°C. Concentration of leaf extracts tested was 0, 10, 20, 40 and 80 g/L. The results of study showed that Terminalia cattapa in a dosage of 40 g/L had the best prevention activity, followed by Piper betle in the same dosage. Psidium guajava and Andrographis peniculata had no prevention activity on growth of Aphanomyces sp. Keywords: antifungal, Terminalia cattapa, Piper betle, Psidium guajava, Andrographis peniculata growth, Aohanomyces sp. ABSTRAK Upaya penanggulangan infeksi cendawan akuatik Aphanomyces sp. pada ikan menggunakan bahan alami dapat menjadi cara yang ekonomis ekonomis, bahan mudah didapat, mudah diterapkan dan aman bagi lingkungan. Potensi antifungi dan efektivitas ekstrak seduh daun ketapang (Terminalia cattapa), sirih (Piper betle), jambu biji (Psidium guajava) dan sambiloto (Andrographis peniculata) terhadap penghambatan pertumbuhan Aphanomyces sp. dilakukan secara in vitro dalam media biakan GYA. Penyeduhan dilakukan menggunakan pelarut air dengan suhu 50°C. Konsentrasi yang diuji adalah 0, 10, 20, 40 dan 80 gr/L untuk masing-masing bahan. Aktivitas penghambatan paling baik terhadap cendawan diperoleh dari ekstrak seduh daun ketapang 40 g/L dan diikuti oleh ekstrak seduh daun sirih dengan konsentrasi yang sama. Jambu biji dan sambiloto tidak menunjukkan aktivitas penghambatan terhadap pertumbuhan Aphanomyces sp. Kata kunci: antifungi, ketapang, sirih, jambu biji, sambiloto dan Aphanomyces sp.

Prevention of White Spot Syndrome Virus Infection on Penaeus monodon by Immersion in CEPM Extract of Avicennia sp. and Sonneratia sp. Wahjuningrum, D.; Sholeh, S.H.; Nuryati, Sri
Jurnal Akuakultur Indonesia Vol. 5 No. 1 (2006): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

The quality and survival rate are still being the problem that hampers the productivity of black tiger shrimp, Penaeus monodon culture. Impaired quality of larval shrimp and environmental conditions can confer shrimp be infected by diseases, including viruses such as white spot syndrome virus (WSSV). Prevention of disease infection using chemicals can offer negative impacts on water, pathogen resistance and consumers. This study was conducted to examine the efficacy of an alternative prevention compound as liquid mangrove extract (CEPM) from Avicennia sp. and Sonneratia sp. By immersion in different dose of CEPM, i.e. 250, 500, 750 and 1000 ppm, the patogenicity of WSSV was found to be different. Patogenicity of WSSV decreased after treatment by CEPM, hence this could be used to induce shrimp immunity. Optimum dose of CEPM was 250 ppm, which could increased survival rate of shrimp after challenging by WSSV, up to 98.4% shrimp survived. Keywrods: WSSV, black tiger shrimp, extract, Avicennia sp., Sonneratia sp. ABSTRAK Kualitas dan kelangsungan hidup merupakan masalah yang masih membatasi produktivitas budidaya udang windu Penaeus monodon. Kondisi udang dan kualitas lingkungan yang kurang baik dapat menyebabkan udang terserang penyakit, termasuk yang disebabkan oleh virus termasuk white spot syndrome virus (WSSV). Upaya pengendaliannya menggunakan bahan kimia secara berlebih dapat menimbulkan dampak negatif bagi lingkungan perairan, kesehatan konsumen dan menimbulkan resistensi patogen. Penelitian ini dilakukan untuk mengetahui efektivitas bahan alternatif berupa cairan ekstrak pohon mangrove (CEPM) dari jenis Avicennia sp. dan Sonneratia sp. sebagai upaya pencegahan. Dengan perendaman beberapa konsentrasi yang berbeda (250, 500, 750 dan 1000 ppm) penggunaan cairan ekstrak pohon mangrove (CEPM) Avicennia sp. dan Sonneratia sp., memberikan pengaruh yang berbeda terhadap patogenitas WSSV dan udang uji pada setiap perlakuan. Tingkat patogenitas WSSV relatif menurun setelah perlakuan tersebut sehingga dapat digunakan untuk merangsang kekebalan tubuh udang. Perlakuan yang optimal yaitu pada dosis 250 ppm, dimana pada perlakuan ini dapat meningkatkan kelangsungan hidup udang uji yang diuji tantang dengan white spot syndrome virus (WSSV) dengan tingkat kelangsungan hidup 98,4 %. Kata kunci: WSSV, udang windu, ekstrak, Avicennia sp., Sonneratia sp.

Co-Authors , Alimuddin , Rahman, , , Rusli, , , Sofian, , , Yuliyanti . Kurdianto . Taukhid A. Santika A. Suwanto Ade Sunarma Aditya, Tiya Widi Adna Sumadikarta Afif Abdurrahman Afiff , Usamah Agung Cahyo Setyawan Agus Oman Sudrajat Ahmad Beni Rouf Ahmad Muzaki Alimuddin Alimuddin Alimuddin Alimuddin Andi Tiara Eka Diana Puteri, Andi Tiara Eka Diana Angela Mariana Lusiastuti Angela Mariana Lusiastuti Angela Mariana Lusiastuti Angela Mariana Lusiastuti Anis Nugrahawati Anna Octavera Ardana Kurniaji Asrido, Farhan Ayi Santika Ayi Santika Ayu Dhita Juliadiningtyas, Ayu Dhita Bagus Rahmat Basuki Brite, Margie D. Meha D. Puspitaningtyas D. Wahjuningrum DEDI JUSADI Dendi Hidayatullah Dendi Hidayatullah Dendi Hidayatullah Dendi Hidayatullah, Dendi Dian Febriani Dian Hardiantho Dian Hardiantho Dinamella Wahjuningrum Dinar Tri Soelistyowati Dwi Hany Yanti Dwi Hany Yanti Dwi Yanti Eddy Supriyono Eni Kusrini Eni Kusrini Erni Susanti F.B.P. Sari F.H. Pasaribu Fachriyan Hasmi Pasaribu Fadhila Maharani Putri Fajrin, Anang Faoziyatunnisa, Nurul Fauzan Wahib Alsani Firdausi, Amalia Putri Firmansyah, Arif Lukman Fitriyah Husnul Khotimah Goro Yoshizaki Gusti Ngurah Permana Hanggara, Yudha Harits Atika Ariyatna Harton Arfah Haryanti Haryanti Haryanti Haryanti Hasan Nasrullah Hasan Nasrullah Hidayah, Winda Alfina Ibnu Bangkit Bioshina Suryadi Iis Widiani Ika Safitri Ikhsan Khasani Indah Mastuti Irzal Effendi ISNAWATI Isni Rahmatika Sari Julie Ekasari K. Sumantadinata Ketut Mahardika Ketut Sugama Ketut Sugama Khotimah, Fitriyah Husnul Komar Sumantadinata Kukuh Nirmala Kurnia Anggraini Rahmi L.S. Harti La Ode Muhammad Arsal Lili Sholihah Lilis Nurjanah M. Zairin Junior M.A. Suparman Mia Setiawati Min Rahminiwati Mira Mawardi Muchtar, Muthahharah MUHAMMAD AGUS SUPRAYUDI Muhammad Zairin Jr Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. Mulyani, Rahma MUNTI YUHANA N. Ashry N.A. Maswan Nadia Aulia, Nadia Nasrullah, Hasan Nurbariah Nurbariah Nurina Pratiwi Nurly Faridah Nurly Faridah NURWATI, BUNGA Odang Carman P. Giri P. Hariyadi Priyoutomo, Nur Bambang Putri, Elva Khairina Qorie Astria R.D. Soejoedono Rahma Mulyani Rahman Ramadhan, Afriani Ramadhani, Danika Athirah Ramadhina, Erina Tri Retno Damayanti Soejoedono Rizkiyanti, Ita S.H. Sholeh Sari Anggraeni, Sukma Sari Budi Moria Sembiring Sari Budi Moria Sembiring Sarjito - SATA YOSHIDA SRIE RAHAYU Sekar Ayu Chairunnisa Sekar Ayu Chairunnisa Sekar Sulistyaning Hadiwibowo Shavika Miranti Shella Marlinda Siti Khodijah Siti Murniasih Siti Zubaidah Slamet Budi Prayitno Soko Nuswantoro Sri Murtini Suhermanto, Achmad Sukenda Sukenda Sukenda, Sukenda, Sulasy Rohmy Taufiq Abdullah, Taufiq Tiara Puspa Anjani Tira Silvianti Titin Kurniasih Trian Rizky Febriansyah Tuti Sumiati Tuti Sumiati Utomo, Nurbambang Priyo Uttari Dewi Wahyuwardani , Sutiastuti Wasmen Manalu Wida Lesmanawati WIDANARNI WIDANARNI Y. Hadiroseyani Y. Kuswardani Yanti Inneke Nababan Yanti, Mauliza Yulianti, Susy Anisa Yuni Puji Hastuti Zakki Zainun Zulhelmi, Arif

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