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All Journal HAYATI Journal of Biosciences Jurnal Akuakultur Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter BIOTROPIA - The Southeast Asian Journal of Tropical Biology Indonesian Journal of Biotechnology Widyariset Omni-Akuatika Jurnal Perikanan Universitas Gadjah Mada Indonesian Aquaculture Journal Jurnal Riset Akuakultur Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Indonesian Journal of Tropical Aquatic Widyariset Qadauna: Jurnal Ilmiah Mahasiswa Hukum Keluarga Islam Jurnal Media Akuakultur Indonesia Jurnal Pengabdian Inovasi dan Teknologi Kepada Masyarakat Jurnal Kedokteran Hewan International Journal of Educational and Life Sciences (IJELS) Journal of Fisheries & Marine Biodiversitas Journal of Biological Diversity

Alimuddin

Department Of Aquaculture, Faculty Of Fisheries And Marine Science, IPB University, Bogor, West Java, Indonesia

Author-ID : 2471926

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Evaluation of different promoters driving the GFP reporter gene in seaweed Kappaphycus alvarezii Muh. Alias L. Rajamuddin; A. Alimuddin; Utut Widyastuti; Irvan Faizal
Indonesian Journal of Biotechnology Vol 19, No 2 (2014)
Publisher : Universitas Gadjah Mada

Promoter regulates expression level of foreign gene in transgenic organism. This study was performed to select asuitable promoter as the fi rst step towards production of valuable trait-enhanced seaweed by transgenic technology. Greenfl uorescent protein (GFP) gene was used as a reporter to determine the activity of promoter in seaweed Kappaphycusalvarezii. GFP gene constructs driven by cytomegalovirus (pCMV-GFP), caulifl ower mosaic virus (pCaMV-GFP),medaka β-actin (pmBA-GFP) and Japanese fl ounder keratin (pJfKer-GFP) promoters were introduced by electroporationmethod. Electroporation was performed using a gene pulser (BIORAD) with voltage of 300 V, pulse length of 0.5 ms,pulse numbers of 4, and pulse interval of 0.1 s. Promoter activity was determined by analyzing GFP gene expressionlevel using a fl uorescent microscope. The results showed that CMV regulated highest number of fi lament callus(34.10%±1.49) expressing GFP at medium to strong fl uorescence levels. CaMV promoter had relatively similar activitywith CMV, but lower number of fi lament callus expressing GFP (10.48%±0.25). mBA promoter drove GFP expressionat medium level and similar number of fi lament callus (8.85%±2.31) expressing GFP with CaMV, while JfKer promoterhad lowest activity by means in number of fi lament callus expressing GFP (4.79%±0.26) and GFP expression level. PCRanalysis for transgenic confi rmation showed a DNA band of PCR product from pCMV-GFP and pCaMV-GFP expressingfi lament callus in the same size (about 0.6 kb) with positive control of plasmid. Thus, CMV and CaMV promoters wasan appropriate promoter and foreign gene could be transferred to fi lament callus by electroporation method. Combiningthis achievement with developing a culture method of fi lament callus to be thallus, stable transgenic breeding in K.alvarezii can be feasible.

GROWTH IN NURSERY AND GROW-OUT PHASES OF WHITE SHRIMP AFTER IMMERSED IN RECOMBINANT GIANT GROUPER GROWTH HORMONE Aulia Saputra; Odang Carman; . Alimuddin
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 7 No. 2 (2015): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

The growth of white shrimp (Litopenaeus vannamei) can be improved by using recombinant fish growth hormone through immersion. This research was performed to evaluate the white shrimp growth at nursery and grow-out phases after recombinant giant grouper growth hormone (rElGH) immersion. Shrimp were immersed at different stages in one liter seawater containing 15 mg rElGH for two hours. At the nursery stage 30,000 PL4 that previously immersed at nauplius stage (treatment A1), at PL4 (treatment B1) and control without rElGH immersion (K1) were reared in fiber tanks containing 750 L seawater for 8 days. At the grow-out phase, 100 PL11 that have been immersed in rElGH solution at nauplius stage (treatment A2), at PL4 (B2), PL11 (C2) and control without rElGH immersion (K2) were separately reared in fiber tanks containing 750 L seawater for 55 days. Each treatment consisted of three replications. The results showed that at the end of the nursery phase, B1 treatment increased 19% of body length, 30.2% of the body weight and decreased the coefficient of length variation 34.9% compared to control K1 (P<0.05). At the grow-out phase, C2 treatment enhanced 38.2% of body weight and 32% of biomass compared with control K2 (P<0.05). Thus, hatchery is better to immerse PL4, and the farmer should used rElGH-immersed PL11 for growing-out.Keywords: growth promoting, nursery, grow out, Litopenaeus vannamei, rElGH

IMPROVEMENT METHOD OF GENE TRANSFER IN Kappaphycus alvarezii St. Hidayah Triana; . Alimuddin; Utut Widyastuti; . Suharsono; Emma Suryati; Andi Parenrengi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 1 (2016): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Method of foreign gene transfer in red seaweed Kappaphycus alvarezii has been reported, however, li-mited number of transgenic F0 (broodstock) was obtained. This study was conducted to improve the method of gene transfer mediated by Agrobacterium tumefaciens in order to obtain high percentage of K. alvarezii transgenic. Superoxide dismutase gene from Melastoma malabatrichum (MmCu/Zn-SOD) was used as model towards increasing adaptability of K. alvarezii to environmental stress. The treat-ments were the culture media and recovery duration, and each treatment consisted of three replica-tions. The best method was co-cultivation using liquid media, then recovery was conducted in liquid media for 10 days. That treatment allowed higher transformation percentage (90%), regeneration effi-ciency (90%), putative bud efficiency (100%), number of buds and explants sprouted (100%) and transgenic explants (100%). The transgenic explants showed an amplification PCR product of Mm-Cu/Zn-SOD gene fragment, whereas the non-transgenic explants showed no amplification product. All results revealed that suitable method of transgenesis for K. alvarezii has been developed. Keywords: Agrobacterium tumefaciens, culture media, Kappaphycus alvarezii, recovery duration, transformation

BINARY VECTOR CONSTRUCTION OF KAPPA(κ)-CARRAGEENASE GENE AND TRANSFORMATION TO Agrobacterium tumefaciens AS MEDIATOR FOR SEAWEED TRANSGENIC GENERATION Muh Alias L. Rajamuddin; . Alimuddin; Utut Widyastuti; Enang Harris; Emma Suryati
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 1 (2016): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Increasing of kappa (κ)-carrageenan content in Kappaphycus alvarezii seaweed is potentially be achieved by applying transgenesis technology. This study was performed to obtain a construction of κ-Carrageenase gene and Agrobacterium tumefaciens to carry those construction genes. The κ-Carrageenase (κ-Car) gene was involved in κ-carrageenan biosynthesis. The κ-Car gene sequence was ligated between the 35S CaMV promoter and tNos terminator sequences to generate pMSH/κ-Car expression vector. Transformation of pMSH/κ-Car plasmid to Escherichia coli was performed by heat-shock method, and to Agrobacterium tumefaciens by tri-parental mating method. The results showed that several colonies of E. coli and A. tumefaciens grew in the selective culture mediums containing antibiotic. PCR analysis using primers 35S-Forward and tNos-Reverse with DNA template from those bacterial colonies resulted DNA fragment of about 2,000 bp, the same as the total length of 35S CaMV promoter, κ-Car gene and tNos terminator sequences. Therefore, the construction of pMSH/κ-Car gene was succeeded and a colony of A. tumefaciens transformant carrying pMSH/κ-Car plasmid was successfully produced. Keywords: Agrobacterium tumefaciens, kappa(κ)-Carrageenase gene, transgenesis, vector

PENGARUH PEMBERIAN HORMON 17β-ESTRADIOL TERHADAP PERKEMBANGAN GONAD SIPUT GONGGONG Laevistrombus turturella Muzahar; Muhammad Zairin Jr.; Fredinan Yulianda; Muhammad Agus Suprayudi; Alimuddin; Irzal Effendi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 11 No. 3 (2019): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Dog conch Laevistrombus turturella is captured intensively, therefore, their population is decline. The dog conch culture is needed to maintain their population. The technology towards conch reproduction is still not developed yet in Indonesia. The 17β-estradiol hormone in conch and some mollusks has been stated by some researcher yet its main role in conch reproduction process has not widely known. The study about the addition of 17β-estradiol hormone in accelerating gonad development has never been reported. The aim of this study was to evaluate the impact of the addition of 17β-estradiol against dog conch’s gonad development. This study used three treatments for three groups of dog conch those were without injection (P1), injection by 30 µL of corn oil mixed with absolute ethanol (P2), and 30 µL of 17β-estradiol stock solution (P3). After injection, the dog conch was reared in pens culture in their natural habitat for 30 days. This study showed that the injection of a 17β-estradiol solution (P3) stimulated the dog conch’s gonad development as evidenced by greater oocyte mean diameter than another treatment. The mean of gonadal weight and GSI on P3 treatment was also higher than treatments P1 and P2. SDS-PAGE analysis showed that dog conch’s hemolymph has several kinds of proteins with varying molecular weights. Proteins with a molecular weight of 54-55 kDa are predicted as dog conch’s vitellogenin.

TRANSPLANTATION OF GIANT GOURAMY (Osphronemus gouramy) TESTICULAR CELLS IN EARLY HATCHING TILAPIA (Oreochromis niloticus) LARVAE Jasmadi Jasmadi; Odang Carman; Alimuddin Alimuddin
Widyariset Vol 2, No 2 (2016): Widyariset
Publisher : Pusbindiklat - LIPI

Cell transplantation technology has been widely developed in mammals, but less implemented in inland aquaculture fish. Giant gouramy (Osphronemus gouramy) is one of important comercial aquaculture commodities that has a relatively long first reproductive cycle compared to the tilapia (Oreochromis niloticus). Tilapia has a faster reproductive cycle and potential as giant gouramy surrogate broodstock. This study was aimed to applicate testicular cell transplantation technology of giant gouramy in tilapia larvae and to evaluate its success rate trough donor cell colonization. Tilapia larvae of 1-2 dph (days post hatching) and 3-4 dph were injected with ±20.000 giant gouramy testicular cells in the peritoneal cavity, and then groomed for two months. Cell colonization of spermatogonium donor was determined by Polymerase Chain Reaction (PCR), using giant gouramy F1-Growth Hormone and R1-Growth Hormone primers. The result of cell dissociation showed that a bigger giant gouramy (827 g) had lower of spermatogonia composition (4.45%) than a smaller gouramy (608 g) (14.96%). Donor cell colonization in 1-2 dph recipient was higher (100%) than in 3-4 dph recipient (75%). Whereas recipient Survival Rate (SR) was 89.34% for 1-2 dph recipient and 98.96% for 3-4 dph recipient respectively. This study suggests that testicular cell transplantation technology of giant gouramy could be appllied to tilapia (Xenotransplantation) and cell transplantation has a better performance in 1-2 dph than in 3-4 dph recipients. With such success, there is a high potential that the giant gouramy cultivation can be increased through the cell transplantation technology.

Ratio of intestine length to body weight of giant gourami, Osphronemus goramy Lac. feed with different protein levels of the diets supplemented with recombinant growth hormone (rGH) Darmawan Setia Budi; Alimuddin Alimuddin; Muhammad Agus Suprayudi
Jurnal Iktiologi Indonesia Vol 16 No 2 (2016): June 2016
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v16i2.43

The purpose of this study was to describe the effect of dietary protein levels enriched with rGH on the ratio of length of the intestine to body weight of giant gourami. The diet with different protein levels (i.e. 21%, 28%, 34%; isoenergy) coated with egg yolk containing rGH. Each treatment has a control without rGH addition. Juveniles of giant gourami (body weight15.83 ± 0.13 g) were fed with a diet containing rGH twice a week. Fish were reared in 100 L glass aquaria with density of 10 fish per aquaria for 42 days. At the end of the treatment, body weight and length of the intestine were measured to determine the effect of treatment on the ratio of these two parameters. The result of research showed that at each level of treatment, the dietary protein levels and rGH supplementation gave a significant effect to increase the ratio of intestinal length to body weight (p <0,05). Ratio of intestinal length to body weight of fish was increase by decre-asing protein level in dietary (p <0,05). No interaction between protein levels and rGH additon on the ratio of intestinal length to body weight (p> 0,05). Abstrak Penelitian ini bertujuan untuk menjelaskan pengaruh pemberian pakan dengan kadar protein berbeda yang diperkaya dengan rGH pada nisbah panjang usus dan bobot tubuh ikan gurami. Pakan dengan kadar protein berbeda (21%, 28%, 34%;isoenergi) dibalut kuning telur yang mengandung rGH. Masing-masing perlakuan memiliki kontrol tanpa penam-bahan rGH. Yuwana ikan gurami (bobot tubuh15,83±0,13 g) diberi pakan mengandung rGH dua kali seminggu. Yuwa-na ikan dipelihara dalam akuarium volume100 L dengan padat tebar 10 ekor per akuarium selama 42 hari. Pada akhir perlakuan dilakukan pengukuran bobot tubuh dan panjang usus. Hasil penelitian menunjukkan bahwa pada masing-ma-sing taraf perlakuan kadar protein pakan, pemberian rGH berpengaruh nyata (p<0,05) terhadap peningkatan nisbah pan-jang usus dan bobot tubuh ikan. Penurunan kadar protein pada pakan terbukti meningkatkan nisbah panjang usus dan bobot tubuh ikan (p<0,05). Tidak terdapat interaksi antar perlakuan kadar protein dan penambahan rGH terhadap rasio panjang usus terhadap bobot tubuh (p>0,05).

Lysozyme gene insertion in striped catfish Pangasianodon hypophthalmus (Sauvage, 1878) to generate desease resistence breeds line Wartono Hadie; Sularto Sularto; Lies Emmawati Hadie; Angela Mariana Lusiastuti; Alimuddin Alimuddin; Evi Tahapari; Huria Marnis
Jurnal Iktiologi Indonesia Vol 15 No 2 (2015): June 2015
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v15i2.66

Bacterial disease in catfish has many detrimental to farmers, especially in the larvae stadium in the hatchery up to ready size of stocking seed. Therefore we need technology that can produce disease resistant of catfish. In that regard, one of the antimicrobial enzyme namely lysozyme which plays an important role in the maternal immunity can be introduced into the catfish genome. This study aimed to evaluate the success of the lysozyme gene insertion into the genome of striped catfish to generate maternal disease resistance. Gene transfer method was done by using electroporation on striped catfish spermatozoa. Lysozyme plasmid electroporation performed with a dose 100^g ml-1 and 125V.cm-1, pulse length 30 milliseconds with a pulse interval 0.1 milliseconds and pulse number 5 times. Electroporated spermatozoa were used to fertilize the egg. Lysozyme gene insertion success was indicated by tests performed on embryogenesis, larval, and seed stage. The test results at both DNA and RNA level showed a positive result. Individual that brings the lysozyme gene will be used as a candidate for breed line maternal immune as other ways to formation of resistant disease varieties. Abstrak Serangan penyakit bakterial pada ikan patin telah banyak merugikan para pembudi daya ikan patin terutama pada seg-men perbenihan hingga ukuran siap tebar. Oleh karena itu diperlukan teknologi yang mampu menghasilkan ikan patin yang tahan penyakit. Berkaitan dengan hal itu, salah satu enzim antimikroba yaitu lisozim yang memainkan peranan penting dalam imunitas bawaan dapat diintroduksikan ke dalam genom ikan. Penelitian ini bertujuan untuk mengevalu-asi keberhasilan insersi gen lisozim ke dalam genom ikan patin siam sebagai galur ikan patin tahan penyakit. Transfer gen dilakukan dengan menggunakan teknik elektroporasi pada spermatozoa ikan patin siam. Elektroporasi dilakukan dengan konstruksi gen lisozim berupa plasmid DNA dosis 100 ^g.ml-1 dengan voltase 125 V. cm-1, panjang kejutan 30 milidetik dengan interval kejutan 0.1 milidetik dan jumlah kejutan lima kali. Spermatozoa hasil elektroporasi digunakan untuk membuahi telur. Pengujian keberhasilan insersi gen lisozim dilakukan pada tahap embrio larva, dan pada benih. Hasil pengujian, baik pada tingkat DNA maupun pada tingkat RNA dari sampel spermatozoa dan larva (whole cell), memperlihatkan hasil yang positif. Individu ikan patin yang membawa gen lisozim dan telah terintegrasi ke dalam ge-nomnya akan digunakan sebagai kandidat dalam pembentukan galur ikan patin tahan penyakit.

Ekspresi gen aromatase pada pengarahan diferensiasi kelamin ikan nila (Oreochromis niloticus Linnaeus 1758) menggunakan madu Eny Heriyati; Alimuddin Alimuddin; Harton Arfah; Agus Oman Sudrajat
Jurnal Iktiologi Indonesia Vol 15 No 1 (2015): Februari 2015
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v15i1.74

In tilapia aquaculture, all male populations are preferred because they achieve higher growth rates and prevent uncontrolled reproduction. Sex reversal techniques are largely used for the control of sex in fish farming and in fundamental studies on sex determinism mechanisms. The study was conducted to determine the effect of immersion Nile tilapia larvae in water containing different honey source on male percentage and aromatase gene expression. In experiment I, a total of 30 tilapia larvae at 12 days post hatch were immersed in water containing honey derived from the forest, cultured and mangrove bees, at a dose of 10 ml L-1 for 10 hours. Fish were maintained in the same condition for two months. The results showed that percentage of male fish was similar among honey treatments (p>0.05), and they were significantly different with the control (p<0.05). In experiment II, fish were immersed in two bioactive compounds of honey, namely chrysin and potassium solution in a dose of 20 mg L-1 and 0.026 g L-1, respectively, to verify the bioactive affects sex differentiation. Aroma-g expression was analyzed by RT-PCR method. Tissue was collected at 1, 6, 12, 24 and 48 hours after immersion, and 2-month-old fish. Size fragment DNA aroma-g of female 200 bp. Chrysin and potassium immersion increased male percentage (p<0.1), this indicated that both materials were involved in Nile tilapia sex differentiation. RT-PCR analysis showed that honey, chrysin and potassium down-regulated aroma-g expression at 12 hours post immersion. Thus, honey can be used for sex reverse of Nile tilapia, and the mechanism is most likely as aromatase inhibitors. Abstrak Budi daya ikan nila dengan populasi jantan semua (monoseks) lebih memberikan keuntungan karena laju pertumbuhan-nya lebih cepat dan dapat mencegah pemijahan liar.Teknik pengarahan diferensiasi kelamin(sex reversal) digunakan untuk mengarahkan pembentukan jenis kelamin pada budi daya ikan.Penelitian ini dilakukan untuk mengevaluasi pe-ngaruh perendaman larva ikan nila menggunakan tiga sumber madu berbeda terhadap persentase ikan jantan dan ekspresi gen aromatase. Pada percobaan satu, 30 larva ikan nila berumur 12 hari setelah menetas direndam menggunakan madu hutan, madu ternak dan madu bakau, dengan dosis 10 ml L-1 air selama 10 jam. Ikan dipelihara dalam kondisi yang sama selama dua bulan. Hasil penelitian menunjukkan bahwa persentase ikan jantan tidak berbeda nyata antar perlakuan madu (p>0,05), tetapi semuanya berbeda nyata dengan kontrol (p<0,05). Pada percobaan kedua, larva ikan nila direndam dalam air mengandung dua bahan bioaktif madu, yakni chrysin dan kalium dengan dosis masing-masing 20 mg L-1 dan 0,026 g L-1. Ekspresi gen aromatase tipe gonad (aroma-g) dan tipe otak (aroma-o) dianalisis menggunakan metode RT-PCR. Sampel jaringan diambil pada waktu 1, 6, 12, 24, dan 48 jam pascaperlakuan madu, chrysin, dan kalium, serta setelah ikan berumur dua bulan.Ukuran fragmen DNA aromatase pada gonad betina sekitar 200 bp. Perendaman chrysin dan kalium meningkatkan persentase ikan jantan (p<0,1). Analisis RT-PCR menunjukkan bahwa madu, chrysin, dan kalium dapat menekan ekspresi gen aroma-g pada jam ke-12 pascaperendaman. Dengan demikian dapat disimpulkan bahwa madu, chrysin dan kalium dapat digunakan untuk pengarahan diferensiasi ikan nila, dan mekanis-menya seperti penghambat aromatase.

Pemberian hormon pertumbuhan rekombinan secara “putus dan sambung” pada tiga kelompok ukuran benih ikan kerapu bebek, Cromileptes altivelis (Valenciennes 1828) Suci Antoro; Alimuddin Alimuddin; Muhammad Agus Suprayudi; Irvan Faizal; Muhammad Zairin Junior
Jurnal Iktiologi Indonesia Vol 15 No 1 (2015): Februari 2015
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v15i1.75

The objective of this study was to compare the growth response of 3 different sizes of humpback grouper juveniles, which were come from the same brood stock group and spawning season after “stop and go” experiment of recombinant Epinephelus lanceolatus growth hormone (rElGH); that are with, without and retreated with rElGH for 42 days respectively. Each size group was divided into two treatment groups. The first group was treated with 50 mg crude rElGH kg-1 in commercial diet (pC) and a second group as a control. Weight gain of pC compares to control for small size group, medium size group and large size groups of juveniles subsequently for first stage were 85.89%, 39.66% and 16.34%; second stage were -34.57%, -14.76%, and -5.27%; and third stage were 56.16%, 50.24% and 59.14%. Specific growth rate differences of small, medium and large size of pC compared to control in first stage were 41.6%, 19.06% and 7.52%; second stage were -44.81%, -27.23% and -14.66%; and third stage were 55.9%, 40.62% and 48.42%. No significant difference of condition factor among all sizes of pC and control fish. Protein content and retention, and liver glycogen content from pooled sample of all size fish groups pC treatment in the second stage were decreasing compared to the first stage, respectively, 11.49%, 35.14% and 84.73%. It can be concluded that rElGH treatment improved growth performance of all size fish groups, however small juveniles have highest growth response compared to medium and large juvenile groups. The ceasing of rElGH treatment on second experiment stage is most likely causing the loss of accelerating growth factor then decreasing growth performance, protein content and retention, and liver glycogen content. Abstrak Penelitian bertujuan membandingkan respons pertumbuhan tiga kelompok ukuran benih ikan kerapu bebek dari kelompok induk dan periode pemijahan yang sama terhadap hormon pertumbuhan rekombinan ikan kerapu kertang Epine-phelus lanceolatus (rElGH); melalui eksperimen “putus dan sambung” yaitu dengan, tanpa, dan perlakuan kembali rElGH masing-masing selama 42 hari. Setiap kelompok ukuran dibagi menjadi dua kelompok perlakuan, kelompok pertama diberi perlakuan rElGH dengan dosis 50 mg rElGH-HP55 kg-1 pakan (pC) sedangkan kelompok kedua sebagai kontrol. Pertambahan bobot badan kelompok pC dibandingkan dengan kontrol pada benih berukuran kecil, sedang dan besar berturut-turut pada eksperimen tahap pertama 85,89%, 39,66% dan 16,34%; tahap kedua -34,57%, -14,76%, dan -5,27%, dan tahap ketiga 56,16%, 50,24% dan 59,14%. Perbedaan laju pertumbuhan spesifik benih berukuran kecil, se-dang dan besar perlakuan pC terhadap kontrol pada eksperimen tahap pertama 41,6%, 19,06% dan 7,52%; tahap kedua -44,81%, -27,23% dan -14,66%; dan tahap ketiga 55,9%, 40,62% dan 48,42%. Faktor kondisi pC dan kontrol pada se-mua kelompok ukuran tidak berbeda nyata. Kandungan dan retensi protein, dan kandungan glikogen hati gabungan sampel dari semua kelompok ukuran ikan perlakuan pC pada eksperimen tahap kedua menurun dibandingkan eksperi-men tahap pertama, masing-masing sebesar 11,49%, 35,14% dan 84,73%. Dapat disimpulkan pemberian rElGH mema-cu pertumbuhan semua kelompok ukuran benih ikan, namun benih berukuran kecil mempunyai respons pertumbuhan lebih tinggi daripada kelompok benih berukuran sedang dan besar. Penghentian pemberian rElGH menyebabkan ber-hentinya faktor pemacu pertumbuhan, sehingga performa pertumbuhan, kandungan dan retensi protein, dan kandungan glikogen hati menurun.

Co-Authors . Irmawati . Kurdianto . Suharsono A. Octavera A. Santika Abinawanto ACHIS M. SIREGAR Achmad Sudradjat Ade Sunarma ADITYA BRAHMANDITO Afif Abdurrahman Afpriyaningrum MD AGUS O. SUDRAJAT Agus Oman Sudrajat Agus Priyadi Agus Priyadi Agus Priyadi Ahmad Muzaki AKHMAD TAUFIQ MUKTI Amrullah Amrullah Anang Hari Kristanto Andi Aliah Hidayani Andi Aliah Hidayani Andi Aliah Hidayani Andi Haerul Andi Parenrengi Andi Parenrengi Andi Parenrengi Andi Parenrengi Andi Parenrengi Andi Tenriulo Andi Tenriulo Andi Tenriulo Angela Mariana Lusiastuti Angela Mariana Lusiastuti Angela Mariana Lusiastuti ANNA OCTAVERA Anny Hary Ayu Aras Syazili Arief Boediono Arief Boediono Arief Eko Prasetiyo Aris Tri Wahyudi Asep Permana Asep Permana Asep Sopian Asep Sopian ASMI CITRA MALINA A. R. TASSAKKA Aulia Saputra Aulia Saputra Ayi Santika Ayi Santika Ayi Santika Azis Azis Bagus Rahmat Basuki Bambang Iswanto Beginer Subhan Boyun Handoyo Boyun Handoyo Budimawan DARMAWAN SETIA BUDI Darussalam DEDI JUSADI DENNY KHAIRUDI Deny Sapto Chondro Utomo Desy Nurul Astuti Dewi Yuniati Dian Hardiantho Dian Hardiantho Dian Novita Sari Dian R Herdianto Dinamella Wahjuningrum Dinar Tri Soelistiyowati Dinar Tri Soelistyowati Dinar Tri Sulistyowati Dinar Tri Sulistyowati Dody Dharmawan Trijuno Dody Dharmawan Trijuno Dondy Arafat Dwi Hany Yanti Dwi Hany Yanti Dwi Yanti Emma Suryati Emma Suryati Enang Harris Enang Harris Enang Harris Eni Kusrini Eni Kusrini Eni Kusrini Eni Kusrini Eni Kusrini Eni Kusrini Eni Kusrini Eni Kusrini Eni Kusrini Eny Heriyati ENY SUPARYANI Erma Primanita Hayuningtyas Erma Primanita Hayuningtyas Estu Nugroho Evi Tahapari F.H. Pasaribu Fadhila Maharani Putri FADHILLAH RAHMAWATI Fajar Anggraeni Fajar Maulana Fauzan Wahib Alsani Fitriyah Husnul Khotimah Fredinan Yulianda G. Yoshizaki GEMI TRIASTUTIK Gloria Ika Satriani Goro Yoshizaki Goro Yoshizaki Goro Yoshizaki GORO YOSHIZAKI Gunarto Gunarto Gusrina Gusrina H. Arfah Hafidah, Riva Hardiantho D Harton Arfah Hary Krettiawan Haryanti Haryanti HASAN NASRULLAH Hasan Nasrullah Hasan Nasrullah Hasan Nasrullah Hasan Nasrullah Hasan Nasrullah Hasan Nasrullah HAWIS H. MADDUPPA Herjayanto, Muh. Huria Marnis Huria Marnis I.W. Teguh Wibawan Iis Diatin Ika Safitri Ikhsan Khasani Imron Imron Imron Imron INCE AYU KHAIRANA KADRIAH Indah Mastuti Indah Permata Sari Indra Lesmana Intan Febrianti Irin Iriana Kusmini Irma Andriani Irma Andriani IRMA ANDRIYANI Irmawati IRMAWATI IRMAWATI Irmawati, Budimawan Irvan Faizal Irvan Faizal Irvan Faizal Irvan Faizal Irvan Faizal IRVAN FAIZAL Irvan Faizal Irvan Faizal Irzal Effendi Ita Djuwita Ita Djuwita Jasmadi Jasmadi Jean-Christophe Avarre Joko Santoso Joni Haryadi Jr., Muhammad Zairin Julie Ekasari K. Chaitanya Deepti K. Sumantadinata Kamaruddin Ketut Mahardika Ketut Sugama khairuzzazi Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata Komar Sumantadinata KOMAR SUMANTADINATA Kukuh Nirmala Kurnia Anggraini Rahmi Lies Emmawati Hadie Luky Adrianto M. SASMITO JATI M. Zairin Junior M.Y. Jamal Maharani, Adinda Maskur Maskur Megawati, Novi MEIMULYA MEIMULYA Melta Rini Fahmi Mia Setiawati Mira Mawardi Mochamad Syaifudin Moh. Tauhid Umar Mohammad Zairin Mohammad Zairin Mubinun Mubinun Muh Alias L. Rajamuddin Muh. Alias L. Rajamuddin MUHAMMAD AGUS SUPRAYUDI Muhammad Firdaus Muhammad Hunaina Fariduddin Ath-thar Muhammad Hunaina Fariduddin Ath-thar Muhammad Husni Amarullah Muhammad Muhammad Muhammad Muttaqin Muhammad Safir Muhammad Yamin Muhammad Zairin Jr Muhammad Zairin Jr Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. MUHAMMAD ZAIRIN JR. Mulyasari Mulyasari MUNTI YUHANA Muslim Muslim Muzahar N.A. Maswan Nadia Ayuningthias NADIARTI NADIARTI NITA RUKMINASARI Nita Rukminasari Nita Rukminasari Novi Megawati Novi Megawati Nunak Nafiqoh Nunuk Listiyowati Nur Bambang Priyo Utomo Nur Bambang Priyo Utomo NURBETY TARIGAN Nurly Faridah Nurly Faridah O. Carman O.Z. Arifin Odang Carman P. Ratna Kumar Petrus Rani Pong-Masak Priadi Setyawan Pustika Ratnawati Putriku Nadzira Sativa R Rifai R.D. Soejoedono Raden Roro Sri Pudji Sinarni Dewi Raden Roro Sri Pudji Sinarni Dewi Ratu Siti Aliah Ratu Siti Aliah RATU SITI ALIAH Ratu Siti Aliah Rendy Ginanjar Reni Agustina Lubis Ridwan RIDWAN AFFANDI Rommy Suprapto Ruby Vidia Kusumah Rudhy Gustiano RUSTIDJA S. Mariam Samsu Adi Rahman Sari Budi Moria Sembiring Sekar Ayu Chairunnisa Sekar Sulistyaning Hadiwibowo Setiawati M Shabarullah Siska Aliyas Sandra Siti Aslamyah Siti Fadilah Siti Khodijah Siti Subaidah Siti Zuhriyyah Musthofa Sitti Fakhriyyah SLAMET SUBYAKTO Soelistyowati DT Soko Nuswantoro Sri Murtini Sri Nuryati Sri Nuryati St. Hidayah Triana Suci Antoro Sukenda, Sukenda, SUKMARAHARJA A. TARIGAN Sularto Sularto Sularto Sularto Sutanti Sutanti Syuhada Restu Danupratama T. Takeuchi Tatag Budiardi Toshio Takeuchi Tristiana Yuniarti Uswatun Hasanah Uswatun Hasanah Utut Widyastuti Utut Widyastuti Utut Widyastuti Utut Widyastuti Utut Widyastuti Wartono Hadie Wartono Hadie Wartono Hadie Wartono Hadie Wartono Hadie Wedaraningtyas Nugrahani Wicaksono, Aryo Wenang WIDANARNI WIDANARNI Wiwien Mukti Andriyani Wiwien Mukti Andriyani Y. Hadiroseyani Yanti Inneke Nababan yogi Himawan Yulintine Yulintine Yuni Puji Hastuti Yushinta Fujaya Yushinta Fujaya Zairin Jr M Zakki Zainun

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