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INDONESIA
Jurnal Akuakultur Indonesia
ISSN : 14125269     EISSN : 23546700     DOI : -
Core Subject : Agriculture,
Jurnal Akuakultur Indonesia (JAI) merupakan salah satu sarana penyebarluasan informasi hasil-hasil penelitian serta kemajuan iptek dalam bidang akuakultur yang dikelola oleh Departemen Budidaya Perairan, FPIK–IPB. Sejak tahun 2005 penerbitan jurnal dilakukan 2 kali per tahun setiap bulan Januari dan Juli. Jumlah naskah yang diterbitkan per tahun relatif konsisten yaitu 23–30 naskah per tahun atau minimal 200 halaman.
Arjuna Subject : -
Articles 569 Documents
Isolation of probiotics bacterium from coral reef for controlling vibriosis in tiger shrimp (Penaeus monodon) larvae Sasanti, Ade Dwi; Widanarni, .; Sukenda, .
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (220.702 KB) | DOI: 10.19027/jai.9.168-177

Abstract

Pathogenic Vibrio, especially luminous Vibrio harveyi, could cause mass mortality in tiger shrimp culture. One of the technique to work against luminous Vibrio is, using probiotic bacteria to inhibit the luminous Vibrio growth. This study was carried out to obtain bacteria isolates from coral reef which potentially inhibit V. harveyi growth. A total of 110 isolates were isolated from Acropora sp, Merulina sp, Hystrix sp., Poecillophora sp, Porites sp and Haliophora sp., and have probiotic activity against V. harveyi in in vitro and in vivo test.Of the total 110 isolates, 54 isolates show the inhibiting zone. Two isolates(8A and 1C)were not pathogenic and have the most effective activity in inhibiting growth of V. harveyi and significantly reduced larval mortality in in vitro and in vivo test. Treatment using probiotics candidate have significant different survival rate (83.33%) compared with positive control (61.67%). The growth rate of lenght of larvae treatment with isolate of 8A (5.25%) and 1C (5.06%) show the significant different compared with positive control (3.54%). The growth rate of weight of larvae treatment withisolate of 8A (17.51%) and 1C (17.61%) show significant different compared with negative (15.27%) and positive control (14.69%).Key word: coral reef, probiotic, tiger shrimp, vibriosis, V. harveyi. ABSTRAKVibrio patogen, khususnya Vibrio harveyi berpendar, dapat menyebabkan kematian massal pada budidaya udang windu. Salah satu alternatif untuk menghambat Vibrio harveyi berpendar adalah dengan menggunakan bakteri probiotik yang dapat menekan pertumbuhan Vibrio tersebut. Penelitian ini bertujuan untuk mendapatkan isolat bakteri dari terumbu karang yang potensial menghambat pertumbuhan V. harveyi. Total 110 isolat diisolasi dari Acropora sp, Merulina sp., Hystrix sp., Poecillophora sp., Porites sp. dan Haliophora sp, dilakukan penapisan untuk melihat aktivitas kemampuannya melawan V. harveyi MR 5339 RfR dalam uji in vitro dan uji in vivo. Sebanyak 54 isolat teridentifikasi mampu menghasilkan zona hambat. Dua isolat (8A dan 1C) terbukti tidak bersifat patogen dan memiliki aktivitas probiotik melawan V. harveyi MR 5339 RfR pada uji in vitro dan in vivo. Tingkat kelangsungan hidup larva pada perlakuan yang diberi kandidat probiotik dari kedua isolat tersebut adalah 83,33%, dan menunjukkan hasil yang berbeda nyata dengan kontrol positif (61,67%). Laju pertumbuhan panjang larva yang diberi isolat 8A (5,25%) dan 1C (5,06%)menunjukkan hasil yang berbeda nyatajika dibandingkan dengan kontrolpositif (3,54%). Laju pertumbuhan bobot yang diberi isolat 8A (17,51%) dan 1C (17,61%) menunjukkan hasil yang berbeda nyata terhadap kontrol negative (15,27%) dan kontrol positif (14,69%).Kata kunci: probiotik, terumbu karang,udang windu, V. harveyi, vibriosis.
Masculinization on tilapia (Oreochromis sp.) by natural hormone steroid agent from bee resin through artificial diet Soelistyowati, Dinar Tri; Sudrajat, Agus Oman; Arfah, Harton
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (134.02 KB) | DOI: 10.19027/jai.9.178-183

Abstract

Masculinization on tilapia ( Oreochromis sp.) has been done with approach of natural hormone steroid agent  from bee resin  through artificial diet before sexual differentiation. This research aim to increase male sex ratio and production performance. Treatment of bee resin dose is 0.6; 1.2; 1.8; 2.4; 3.0 feed ml/kg compared to Control (0 ml/kg diet) were given  during 28 days at larva age 7 day in aquarium, then transferred to the farm ground until age 12 weeks. Average of masculine phenotype percentage increased significantly (P
Selection of nitrification and denitrification bacteria with its application in culture medium of Pacific white shrimp (Litopenaeus vannamei) Widanarni, .; Pranoto, Sugiyo Hadi; Sukenda, .
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (248.266 KB) | DOI: 10.19027/jai.9.184-195

Abstract

The aim of this study was to obtain nitrification and denitrification bacteria and tested its activity in reducing the ammonia, nitrite and nitrate compounds in culture medium of Pacific white shrimp Litopenaeusvannamei. The research was conducted through several steps: 1) Isolation of nitrification and denitrification bacteria from ponds and mangrove areas, 2) Selection of nitrification and denitrification bacteria  in vitro, and 3) test of the nitrication and denitrification bacteria activities in culture medium of white shrimp. A total of 38 isolates of nitrification bacteria and 7 isolates of denitrification bacteria were successfully isolated from ponds and mangrove areas in the region of South Lampung and Subang, West Java. Of the total isolates were then selected in vitro based on its ability to reduce the compounds of ammonia, nitrite and nitrate and selected each 2 of the best isolates. Two select nitrification bacteria isolates, namely S11 and S12 each can oxidize ammonia at 78.25% and 80.54%, whereas two select denitrification bacteria isolates namely DS7 and DS3 each can reduce nitrate amounted to 85.41%, and 56, 49%. The test results of nitrification and denitrification bacteria activities in culture medium of white shrimp showed that S12-DS7 treatments gave the best result, with ammonia concentrations between  0.007 - 0.13 mg / l, nitrite of 0.04 -2.34 mg / l, nitrate of 1 0.33 - 3, 29 mg / l, shrimp growth rate of 2.1%, and survival rate of 90%.Keywords: nitrification, denitrification, Litopenaeus vannamei, water quality. ABSTRAKPenelitian ini bertujuan untuk mendapatkandan menguji aktivitasbakteri nitrifikasi dan denitrifikasi dalam mengurangi senyawa amonia, nitrit dan nitrat pada media budidaya udang vaname Litopenaeus vannamei. Penelitian dilakukan melalui beberapa tahap yaitu: 1) Isolasi bakteri nitrifikasi dan denitrifikasi dari lingkungan tambak dan mangrove, 2) Seleksi  bakteri nitrifikasi dan denitrifikasi secara in vitro, dan 3) Uji aktivitas bakteri nitrifikasi dan denitrifikasi pada media budidaya udang vaname.Sebanyak 38 isolat bakteri nitrifikasi dan 7 isolat bakteri denitrifikasi berhasil diisolasi dari lingkungan tambak dan mangrove di daerah Lampung Selatan dan Subang, Jawa Barat. Dari total isolat tersebut kemudian diseleksi secara in vitro berdasarkan kemampuannya dalam menurunkan senyawa amonia, nitrit dan nitrat dan dipilih masing-masing 2 isolat terbaik. Dua isolat bakteri nitrifikasi terseleksi yaitu S11 dan S12 masing-masing dapat mengoksidasi amonia sebesar 78,25% dan 80,54%, sedangkan dua isolat bakteri denitrifikasi terseleksi yaitu DS3 dan DS7 masing-masing dapat mereduksi nitrat sebesar 85,41% dan 56,49%.  Hasil uji aktivitas bakteri nitrifikasi dan denitrifikasipada media budidaya udang vaname menunjukkan bahwa perlakuan S12-DS7 memberikan hasil terbaik, dengan konsentrasi amonia berkisar antara 0,007-0,13 mg/l, nitrit 0,04-2,34 mg/l, nitrat 1,33-3,29mg/l,laju pertumbuhan udang sebesar 2,1%, dan kelangsungan hidup 90%.Kata kunci: nitrifikasi, denitrifikasi, Litopenaeus vannamei, kualitas air
Feed efficiency improvement and aquaculture waste conversion to economically valuable product Harris, Enang
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.32 KB) | DOI: 10.19027/jai.9.196-205

Abstract

Fish farmer cannot reduce feed price, however they can reduce feed cost for fish producing. Feed cost is highly determined by feeding rate (FR); whether in maximum FR or restricted FR, and dissolved oxygen level in water. The present paper reviews a detail explanation concerning both factors on feed efficiency. Amongst other water quality parameters, oxygen is the most important factor and therefore must be closely monitored. Moreover, dissolved oxygen cannot be detected only by visual observation. Biofloc technology and PAS (partitioned aquaculture system) can change waste into bacteria and phytoplankton biomass which can be further utilized as fish feed. The major difference between these systems is in the oxygen requirement. This paper also presents some experiment results and preliminary applications in field scale that have been performed in Indonesia.Keywords: feeding rate, oxygen, feed efficiency. ABSTRAKPembudidaya ikan tidak bisa menurunkan harga pakan, tetapi dapat menurunkan biaya pakan untuk memproduksi ikan. Biaya pakan sangat ditentukan oleh feeding rate (FR); apakah ”maksimum FR” atau ”restricted FR”, dan oksigen terlarut dalam air. Dalam artikel ini diuraikan secara rinci mengenai pengaruh kedua faktor tersebut terhadap efisiensi pakan. Oksigen merupakan faktor yang paling penting di antara kualitas air, oleh karena itu kadar oksigen terlarut harus diukur. Oksigen terlarut tidak dapat dideteksi dengan panca indera manusia. Teknologi biofloc dan PAS (partitioned aquaculture system) mampu mengubah limbah jadi bakteri dan fitoplankton yang siap untuk menjadi makanan ikan. Perbedaannya antara kedua sistem terletak pada kebutuhan oksigen. Artikel ini juga memuat hasil percobaan dan praktik rintisan skala lapangan yang telah dilaksanakan di Indonesia.Kata kunci: feeding rate, oksigen, efisiensi pakan.
Profiles of traditional farms: soil texture, total inorganic N and bacteria-producing estate Hastuti, Yuni Puji; Rusmana, Iman; Widiyanto, T.
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.882 KB) | DOI: 10.19027/jai.9.119-126

Abstract

Pond traditional system is the pond in still activity with a symple management system.  This activity indicated by low technology and relatively low production level.  Aquaculture activities in traditional pond not loss from nitrification and denitrification prosess, however this process is more low production rather than semiintensive and intensive system. This study aims to observe abundance of bacteria nitrification along with changes soil texture, and N-organic in the soil of traditional pond. Chemical and biological analyses were done using spectroscopy and Most Probable Number methods to determine the amount of nitrite and ammonium production of bacteria.  Based of the result, each stratum traditional ponds have relatively similar abundance in nitrite producing bacteria of 7.08-7.47 Log CFU/g.  Increasing abundance in ammonium producing bacteria was found in all stratum, range from 5.63 Log cfu/g to 8.12 Log cfu/g. From the first day of preparation, traditional ponds have a lot of nitrite and ammonium producing bacteria.Keywords: traditional, pond, nitrification, abundance of bacteri. ABSTRAKTambak sistem tradisional merupakan tambak yang dalam kegiatannya masih menggunakan sistem manajemen sederhana.  Hal ini ditandai dengan penerapan teknologi sederhana, dan tingkat produksi relatif rendah.  Kegiatan budidaya di tambak tradisional tidak akan terlepas dari proses nitrifikasi dan denitrifikasi, namun demikian proses ini relatif lebih rendah aktivitasnya daripada tambak sistem semiintensif dan intensif.  Tujuan dari penelitian ini adalah mempelajari kelimpahan bakteri penghasil senyawa nitrit, amonium seiring dengan perubahan tekstur tanah, dan N-organik pada tanah tambak tradisional. Media pertumbuhan bakteri dikondisikan bebas oksigen (oxygen free nitrogen/OFN method) , sedangkan kelimpahan bakteri dianalisis dengan rumus most porbable number (MPN). Berdasarkan hasil, setiap strata tanah tambak tradisional memiliki jumlah bakteri penghasil nitrit yang relatif sama, yaitu antara 7,08-7,47 Log cfu/g. Peningkatan kelimpahan bakteri penghasil amonium terjadi pada semua strata, yaitu berkisar antara 5,63 Log cfu/g sampai dengan 8,12 Log cfu/g.  Dari hari pertama persiapan, tambak tradisional telah memiliki kelimpahan bakteri penghasil nitrit dan amonium yang berlimpah.Kata kunci:  tradisional, tambak, nitritifikasi, kelimpahan bakteri.
Quality evaluation of fermented products of various local agroindustrials by-products: the effect on digestibility and growth performance of common carp juvenile Suprayudi, Muhammad Agus; Edriani, Gebbie; Ekasari, Julie
Jurnal Akuakultur Indonesia Vol. 11 No. 1 (2012): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (953.016 KB) | DOI: 10.19027/jai.11.1-10

Abstract

The aim of this research was evaluating the quality and digestibility of fermented local feedstuff as well as its effect on growth performance of common carp Cyprinus carpio juvenile. The local feedstuffs tested in this experiment were kapok seed, cassava peel, copra, rubber seed, and palm kernel meal. The previously milled feedstuff was fermented with instant yeast Saccharomyces cerevisiae with a dose of 0.9% w/w and incubated for 24 hours. Following this, the fermented feedstuffs were dried, mixed with reference diet with a ratio of 3:7 and supplemented with 0.5% Cr2O3 as digestibility test indicator. Common carp juveniles with an initial average body weight of 14,11±1,28 g were cultured for 30 days. Fish feces were collected since the 6th day of culture, and followed by laboratory analyses. The results show that fermentation could increase the crude protein content of feedstuff with a range of 16.85‒31.11%, and decrease crude fiber with a range of 2.45‒31.65% with the exception of copra. Furthermore, fermentation also increased the feed digestibility including protein, energy, and total digestibility by the tested fish, as it is shown that the use of fermented feedstuffs may increase protein digestibility 3.88‒11.73%, 2,21‒10,24%, and 3,63‒72,37%. Finally, it can be concluded that fermentation can increase the digestibility of feed with local ingredients by common carp juvenile.   Keywords: fermentation, digestibility, local materials, common carp
Utilization of garlic and meniran flour by repelleting method in feed for preventive and curative efficacy of Aeromonas hydrophila in catfish Clarias sp. Wahjuningrum, Dinamella; Kurniawan, Dadang; Setyotomo, Karno; Setiawati, Mia
Jurnal Akuakultur Indonesia Vol. 11 No. 1 (2012): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (917.406 KB) | DOI: 10.19027/jai.11.11-16

Abstract

This research was purposed to determine the effective dose of meniran and garlic flour in feed by repelleting method for preventive and curative efficacy to the infection of Aeromonas hydrophila in catfish. The treatment tested were eight different dosages of garlic and meniran meals (2:1). Those four dosage used to preventive treatment namely A (0.1%), B (1.1%), C (2.1%), and D (3.1%), the other four used to curative treatment namely E (0.2%), F (2.2%), G (4.2%), and H (6.2%). The preventive treatments were given for two weeks before challenging test. The curative treatment was performed on 2nd–8th day after challenging test. Challenging test was carried out by intramuscularly injecting of 0.1 mL A. hydrophila (108cfu/mL) into the fish. Parameters observed were feeding response, growth rate, survival rate, clinical symptoms, wound healing, and organs morphology. The result showed that the survival rate of preventive treatment was 40±40% for A and B, 60±20% for C, and 20±20% for D. The survival rate of curative treatment was 33.33±11.55% for E, 46.67±11.55% for F, 33.33±11.55% for G, and 26.67±11.55% for H. The results indicated that the preventive treatment was more effective than the curative treatment, presumably because the immunostimulatory activities on preventive was better than curative. Keywords: garlic, meniran, repelleting, Aeromonas hydrophila, catfish
Performance of Nile tilapia juvenile fed diet containing different dosages ofrecombinant common carpgrowth hormone Hardiantho, Dian; Alimuddin, .; Prasetiyo, Arief Eko; Yanti, Dwi Hany; Sumantadinata, Komar
Jurnal Akuakultur Indonesia Vol. 11 No. 1 (2012): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (876.198 KB) | DOI: 10.19027/jai.11.17-22

Abstract

The studywas conductedtodetermine thedose of recombinant common carp growth hormone (rCcGH) supplemented in the commercial diet that generates the best performanceonbodyweight, biomass, andfeed conversion rate of juvenile tilapia.The dose of rCcGH administered was10, 20, and30mg/kg of commercial feed, andnorGH supplementation as control. Eachtreatment was designed in triplicates. Juveniles at average bodylengthof about2cm(average body weight of 0.7 g) were reared in a density of25fish/m2, for three weeks in hapa net at a size of 2×2×1 m3. Fish were fed diet containing rCcGH twicea week with an interval ofthreedays. The juvenile were fed with the rCcGH supplemented diet three times daily at satiation. The results showedthat average body weight andbiomass of fish treated by rCcGH with the doses of 20 and 30 mg/kg feed was higher (p<0.05) than that of 10 mg/kg and control. In addition, feed conversionrate of 20 and 30 mg/kg feed treatments was lower (p<0.05) than that of 10 mg/kg and control. RT-PCR analysisshowedthat expression level of IGF-1 gene in juvenile liver was increased in parallel with the increasing of rCcGH dosages supplemented in diet.This suggestedthatIGF-1 plays an important rolein the induction ofgrowth,andfeed conversionefficiencyof tilapiafed diet containing rCcGH. The bestperformance of juvenile can be obtainedby feeding with diet containingrCcGH20‒30mg/kgof feed. Keywords: rCcGH, IGF-I, recombinant growthhormone,performance, Nile tilapia.
Growth and survival of giant gourami juvenile immerse indifferent frequencies using recombinant growth hormone Syazili, Aras; Irmawati, .; Alimuddin, .; Sumantadinata, Komar
Jurnal Akuakultur Indonesia Vol. 11 No. 1 (2012): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (786.856 KB) | DOI: 10.19027/jai.11.23-27

Abstract

This study was aimed to determine the immersion frequency of recombinant growth hormone (rGH) in the growth stimulation of giant gourami juvenile. A total of 50 larvae at second day after first feeding, was immersed in 30 ppt salt water for 2 minutes, and then transferred into 200 mL of 9 ppt salt water containing 30 mg/L rGH in inclusion bodies form. Immersion was performed for 60 minutes and repeated once a week for two, three, four, and five weeks. As the control, fish was immersed with inclusion bodies without rGH (control-1), bovine serum albumin (control-2), 9ppt saline water without rGH (control-3) and in freshwater (control-4). Fish were kept in 7L aquaria during the first four weeks, transferred into 50L aquaria for two weeks, and then in hapa (2×1×1 m3 in size) for two weeks. The results showed that the highest (p<0.05) average body weight of giant gourami juvenile (2.23±0.19 g) was obtained at four times (four weeks) immersion treatment. Similar body weight of fish in two times (1.72±0.29 g), three times (1.68±0.34 g), and five times (1.81±0.17 g) immersion was obtained. Fish body weight of all controls was lower than the rGH-immersed fish. Average body weight of four time rGH-immersed fish (4.01 g) remained higher than other treatment and control (1.96 to 2.36 g) on 8th week of fish rearing. Survival of four times (96.67±1.15%), and five times rGH-immersion fish (95.33±4.16%) was similar, and higher than other treatments and controls (77.33 to 89.33%). Thus, higher growth rate and survival of giant gourami juvenile could be achieved by four times rGH immersion. Keywords: recombinant protein, growth hormone, immersion frequency, giant gourami
Isolation and characterization of pathogenic Vibrio on tiger grouper Epinephelus fuscoguttatus Ilmiah, .; Sukenda, .; Widanarni, .; Harris, Enang
Jurnal Akuakultur Indonesia Vol. 11 No. 1 (2012): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1133.598 KB) | DOI: 10.19027/jai.11.28-37

Abstract

This study was aimed to obtain pathogenic bacterial isolate causing vibriosis disease. Isolation of Vibrio was conducted from maribound tiger grouper collected from floating net cage in Barru Regency using TCBS medium. Ability to cause vibriosis was confirmed by pathogenicity test performed by mean injecting the tiger grouper juveniles with bacterial suspension at concentration of 106 CFU/fish and mortality of fish during seven days observation then was noted. Then, the Vibrio pathogenic isolate was characterized and identified based on morphology, growth, and biochemical features. Moreover, the most pathogenic isolate was identified by molecular analysis of 16S-rRNA gene sequences. The results showed that three potential isolates caused Vibriosis disease in tiger grouper culture. The isolates tested were biochemically identified as Vibrio metschnikovii, V. parahaemolyticus, and V. mimicus. The most virulent among isolates was V. parahaemolyticus. Keywords: isolation, characterization, pathogenic, vibriosis, tiger grouper

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