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All Journal HAYATI Journal of Biosciences Jurnal Akuakultur Indonesia Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia ILMU KELAUTAN: Indonesian Journal of Marine Sciences Microbiology Indonesia BIOTROPIA - The Southeast Asian Journal of Tropical Biology Omni-Akuatika Proceeding Simposium Nasional Kelautan dan Perikanan Indonesian Aquaculture Journal Jurnal Riset Akuakultur Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan Journal of Aquaculture and Fish Health Serambi Journal of Agricultural Technology Buletin Jalanidhitah Sarva Jivitam Emasains : Jurnal Edukasi Matematika dan Sains Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine Biodiversitas Journal of Biological Diversity

MUHAMMAD AGUS SUPRAYUDI

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

Author-ID : 393767

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Veterinary

Published : 105 Documents Claim Missing Document

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Dietary Phosphorus Requirement of Giant Gouramy (Osphronemus gouramy Lac.) Suprayudi, M. Agus; Setiawati, Mia
Jurnal Akuakultur Indonesia Vol. 2 No. 2 (2003): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

This experiment was conducted to ditermined phosphorus content in the feed of giant gouramy (Osprhonemus gouramy). Four semipurified diet containing isoprotein (41,0%) and isoenergy (10.0 kcal/g protein) but different in phosphorus content were prepared. Diet containing phosphorus at the level of 0,32, 0,63, 0,89 and 1,06% respectively. Fish weighing 21-25 g/ind was stocked at a density of 4 ind./aquarium. Fish was fed at a satiation level three times daily. Fish were reared for 40 days and sampling was done in every 10 day. Result of this study shows that growth performance of fish were increase with the increasing of phosphorus level in the diet till of level (0,89%). Make up of rate phosphor more than 1,06% in the diet will negating the growth. It can be concluded that giant gouramy require phosporus at the level of 0,63-0,89% for maximal growth. Key words : Phosphor, giant gouramy, Osphronemus goruamy, mineral ABSTRAK Penelitian ini dilakukan untuk menentukan kebutuhan ikan gurame (Osphronemus gouramy) akan mineral fosfor. Pakan yang digunakan dalam penelitian ini adalah pakan semimumi dengan kadar protein 41,0% dan rasio energi- protein 10 kkal/g protein. Pakan yang digunakan memiliki kandungan fosfor berturut-turut sebesar 0,32, 0,63, 0,89 dan 1,06%. Ikan gurame yang digunakan berbobot awal antara 21-25 g/ekor dan panjang tubuh awal 8,97-13,45 cm/ekor, dipelihara pada akuarium berukuran 50x40x35 cm dengan kepadatan 4 ekor/akuarium. Ikan diberi pakan 3 kali sehari secara satiation selama 40 hari. Setiap 10 hari sekali dilakukan penimbangan bobot tubuh ikan. Hasil penelitian menunjukkan bahwa performan pertumbuhan ikan gurame meningkat dengan meningkatknya kadar fosfor dalam makanan sampai pada tingkat 0,89%. Peningkatan kadar fosfor diatas tingkat tersebut berdampak negatif terhadap pertumbuhan. Pertumbuhan maksimal didapat pada ikan yang diberi pakan dengan kadar fosfor 0,63-1,06%. Kata kunci : Fosfor, ikan gurame, Oshpronemus gouramy, mineral.

The Improvement of Protein Retention through a Higher Utilization of Carbohydrate in the Diet with Chromium for Common Carp Cyprinus carpio Linn. Mokoginta, I.; Hapsyari, F.; Suprayudi, M. Agus
Jurnal Akuakultur Indonesia Vol. 3 No. 2 (2004): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

This experiment was conducted to improve the protein retention through carbohydrate efficiency in the chromium diet of common carp Cyprinus carpio. Four experimental diets with isonitrogen and isocaloric but different Cr+3 level 0,00; 1,33; 2,23 and 3,96 ppm were used in this experiment. Fish with body weight of 5,31 ± 0,02 gram were reared in aquaria (50 x 40 x 35 cm); 20 fish per aquarium. Fish fed upon the experimental diets three times daily, at satiation for 50 days. Results of this experiment showed that the protein retention could be improved by given Cr+3 in the diet. Based on the respon curve of protein retention (Yi = -1.1678X2 + 3,7223X + 24,818 ; R2 = 0,9) it was found that the optimum Cr*J in the diet was 1,59 ppm. The maximum relative growth rate was found at 2,16 ppm Cr3+ (Y2 = -14,592 X: + 63,18IX + 426,43 ; R = 0,9). The feed efficiency and the survival rate of the fish are the same between treatment (p>0.05). The protein level of the fish from treatment 3,96 ppm Cr+3 was lower than the others; the lipid level of Cr+3 diets was higher than that of non Cr+3 diet; however the carbohydrate level of fish from diet 2,23 Cr+3 was lower than the others. It was concluded that the optimum level of Cr +3 in the diet of common carp was 1,59-2,16 ppm Key words : dietary chromium, common carp, Cyprinus carpio ABSTRAK Penelitian ini bertujuan untuk meningkatkan retensi protein dan pertumbuhan ikan mas Cyprinus carpio melalui peningkatan efisiensi karbohidrat pakan yang diberi kromium (Cr"3). Empat macam pakan dengan kadar Cr+3 yang berbeda yaitu 0,00; 1,33; 2,23 dan 3,96 ppm tetapi kadar protein dan energi yang sama digunakan pada penelitian ini. Ikan mas berbobot 5,31 ± 0,02 gram per ekor dipelihara dalam akuarium (50x40x35 cm) dengan kepadatan 20 ekor. Ikan diberi pakan tiga kali sehari secara at satiation. Pemberian pakan dilakukan selama 50 hari. Hasil penelitian memperlihatkan bahwa adanya pemberian Cr+3 dalam pakan akan mengefisienkan penggunaan karbohidrat pakan sehingga retensi protein akan meningkat pula. Retensi protein tertinggi dicapai pada kadar Cr+3 1,59 ppm (dihitung dari persamaan y, = -1,1678X2 + 3,7223X + 24,818; R2 = 0,9). Pertumbuhan relatif tertinggi dicapai pada kadar Cr+3 2,16 ppm (dihitung dari y2 = -14,592 X2 + 63.181X + 426,43; R2 = 0,9); sedangkan efiseinsi pakan dan tingkat kelangsungan hidup antar perlakuan sama (p>0,05). Kadar protein tubuh perlakuan 3,96 ppm Cr+3 relatif lebih rendah dari perlakuan lainnya. Kadar lemak tubuh ikan yang diberi Cr+3 lebih tinggi dari yang tidak diberi Cr+3; sedangkan kadar karbohidrat tubuh terendah pada perlakuan 2,23 ppm Cr+3. Secara keseluruhan dapat disimpulkan bahwa kadar Cr+3 optimum dalam pakan ikan adalah 1,59-2,16 ppm. Kata kunci : Kromium pakan. ikan mas, Cyprinus carpio

Effect of Enriched Feed by Immunostimulant on Immune Response and Growth of Humpback Grouper, Cromileptes altivelis Suprayudi, M. Agus; Indriastuti, L.; Setiawati, Mia
Jurnal Akuakultur Indonesia Vol. 5 No. 1 (2006): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Humpback grouper, Cromileptes altivelis is susceptible to low quality of environmental condition so that it is vulnerable to bacterial infection. One of the methods to solve this problem is improvement of nutrition by using immune response present in fish body. Supplementation of immunostimulant in the diet may increase immune response of humpback grouper regarding to unsuitable environment condition and bacterial infection. Humpback grouper in average weight of 24.6 ± 0.05 g were reared in a density of 10 fish per aquarium for 34 days. Diet was supplemented with 4 g yeast per kg diet (diet A), 0.1 g vitamin C per kg diet (diet B), 2.5 g β-glucan (diet C), chromium-yeast 0,015 g/kg diet (diet D) and no supplementation (diet E) as control. Blood performance was analyzed after challenging test with Vibrio parahaemolyticus. The result of study indicated that immunostimulant supplementation increased leucocytes population during salinity stress test. Supplementation of chromium-yeast in the diet increased resistant of humpback grouper to Vibrio parahaemolyticus infection. Keywords: immunostimulant, humpback grouper, Cromileptes altivelis ABSTRAK Ikan kerapu bebek, Cromileptes altivelis sangat rentan dengan kondisi lingkungan yang buruk sehingga mudah terinfeksi bakteri. Salah satu cara untuk mengatasi masalah tersebut adalah perbaikan nutrisi dengan memanfaatkan respon imun yang terdapat pada tubuh ikan. Penambahan bahan-bahan imunostimulan pada formulasi pakan buatan diharapkan dapat meningkatkan respon imunitas ikan kerapu bebek terhadap lingkungan yang tidak mendukung dan infeksi bakteri. Ikan kerapu bebek dengan bobot rata-rata 24,6 ± 0,05 g dipelihara dengan kepadatan 10 ekor/akuarium selama 34 hari. Pakan yang diberikan berupa pelet dengan tambahan beberapa bahan imunostimulan yaitu 4 g/kg ragi komersial (pakan A), 0,1 g/kg vitamin C (pakan B), 2,5 g/kg β-glukan (pakan C), kromium-yeast 0,015 g/kg (pakan D) dan tanpa penambahan bahan (pakan E) sebagai pembanding. Gambaran darah dianalisis setelah dilakukan uji tantang dengan Vibrio parahaemolyticus. Hasil penelitian menunjukkan bahwa penambahan bahan-bahan imunostimulan tersebut ternyata mampu meningkatkan populasi leukosit selama uji stres salinitas. Pemberian kromium-yeast dalam pakan meningkatkan daya tahan ikan kerapu bebek terhadap serangan Vibrio parahaemolyticus. Kata kunci: immunostimulan, kerapu bebek, Cromileptes altivelis

Effect of Enriched Artemia sp. by EPA (Eicosapentaenoic Acid; C20:5n-3) and DHA (Docosahexaenoic Acid; C22:6n-3) on Survival Rate of Swimming Crab Portunus pelagicus Suprayudi, M. Agus; Mursitorini, E.; Jusadi, D.
Jurnal Akuakultur Indonesia Vol. 5 No. 2 (2006): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Nutrient content of natural food is one of the main factors for determining the successful of marine fish fry production. EPA (Eicosapentaenoic Acid) and DHA (Docosahexaenoic Acid) are two essential fatty acids for marine fish larvae. Low levels of EPA and DHA content in natural food is major problem in marine fish larval production. Rotifers fed by Nannochloropsis contained EPA about 0.94%-1.46% and DHA was limited, while in Artemia was 0.27%-0.39% EPA and DHA was undetected (Suprayudi et al., 2002a). Feeding on supplemented Artemia with EPA 28G and DHA 70G in ratio of 1:1 could not significantly improved its survival rate and larval development time, while growth by length and carapas width at first crab were higher than that of fed with unenriched Artemia. Keywords: EPA, DHA, Artemia, swimming crab, Portunus pelagicus ABSTRAK Kandungan nutrisi dalam pakan alami merupakan salah satu faktor utama yang menentukan keberhasilan produksi benih spesies akuatik laut. EPA (asam ekosapentanat) dan DHA (asam dokosaheksanat) merupakan 2 asam lemak esensil bagi larva ikan laut. Kandungan EPA dan DHA yang rendah pada pakan alami merupakan masalah utama dalam produksi larva ikan laut. Rotifer yang diberi pakan Nannochloropsis mengandung EPA 0,94%-1,46% dan DHA dengan jumlah yang sangat kecil, sementara Artemia EPA mengandung 0,27%-0,39% dan DHA tidak terdeteksi (Suprayudi et al., 2002a). Pemberian Artemia yang diperkaya dengan EPA 28G dan DHA 70G dengan perbandingan 1:1 tidak memberikan hasil yang signifikan pada tingkat kelangsungan hidup dan waktu perkembangan larva rajungan, sementara pertumbuhan panjang dan lebar karapas lebih baik pada crab 1 dibandingkan dengan yang diberi Artemia tidak diperkaya. Kata kunci: EPA, DHA, Artemia, rajungan, Portunus pelagicus

Effect of Dietary Protein Level and Protein to Energi Ratio on the Growth of Swimming Crab Portunus pelagicus Serang, A. Malik; Suprayudi, M. Agus; Jusadi, D.; Mokoginta, I.
Jurnal Akuakultur Indonesia Vol. 6 No. 1 (2007): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

The extending of protein and energy of the Swimming crab should be on certain limit that could be give maximum growth. The objective of this research are to determine of the protein level and optimum energy ratio of protein (C/P) at rajungan (Portunus pelagicus). The Crab-5 (C-5) stage used in the experiment, maintained in the topless (volume of 2 liters), with density of 1 crab/glass. There were seven of the experimental diets namely A (protein of 30%; C/P of 8 kkal), B (30%; 9.5), C (35%; 8), D (35%; 9.5), E (40%; 8), F (40%; 9.5) and G (45%; 8) with extending of food are 5 time of daily. Complete randomize design with 2 of factor and 3 of replication use in the experiment. The results of this experiment showed that interaction of the protein level and the energy ratio of protein is influence to the growth rate of daily and retention of lipid. The D is the best in give of the growth rate of daily, the consumption of food, the retention of protein, and the frequency of moulting (P

Effect of Different Protein and Protein-Energy Ratio in Diet on Growth of Common Carp (Cyprinus carpio) Fingerling Setiawati, M.; Sutajaya, R.; Suprayudi, M. Agus
Jurnal Akuakultur Indonesia Vol. 7 No. 2 (2008): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Aquaculture activity including culture of common carp (Cyprinus carpio) is now facing on high price of feed. Feed cost can reach more than 50% of production cost so that increase in feed price decreases in farmer benefit. Toward increasing in benefit, it needs efficiency on production cost. This can be achieved by using a diet containing suitable protein and protein-energy ratio for the need of fish cultured. Diet containing different protein levels (28% and 31%) and protein-energy ratios (8 and 10), and a commercial feed as a control were compared to determine protein content and protein-energy ratio suitable for common carp fingerlings. The results showed that food efficiency was differed among the treatments, while relative growth rate was similar. Diet containing protein of 31.15% with protein-energy ratio of 7.81, and protein of 28.08% with protein-energy ratio of 9.12 were resulting higher food efficiency compared to that of diet containing 31.15% protein with 7.81 protein-energy ratio and 28.27% protein with 8.28 protein-energy ratio. Keywords: common carp, Cyprinus carpio, protein-energy ratio, food efficiency ABSTRAK Kegiatan budidaya ikan termasuk ikan mas (Cyprinus carpio) saat ini dihadapkan pada kenyataan mahalnya harga pakan buatan. Kebutuhan biaya pakan dalam proses produksi mencapai lebih dari 50% sehingga menurunkan tingkat keuntungannya. Untuk meningkatkan keuntungan, diperlukan efisiensi biaya produksi yang salah satunya dengan memproduksi pakan yang mengandung kadar protein dan rasio protein terhadap energi pakan yang sesuai dengan kebutuhan ikan. Pakan dengan kadar protein (28 and 31%) dan rasio protein-energi (8 dan 10) yang berbeda diuji untuk mengetahui kandungan protein dan rasio protein-energi yang sesuai untuk fingerling ikan mas. Hasil penelitian menunjukkan bahwa fingerling ikan mas yang yang diberi pakan dengan kadar protein dan rasio protein energi yang berbeda menghasilkan tingkat efisiensi pakan yang berbeda, namun tidak mempengaruhi tingkat pertumbuhan relatifnya. Pakan dengan kadar protein 31,15% dengan rasio protein energi 7,81 dan kadar protein 28,08% dengan rasio protein energi 9,12 menghasilkan nilai efisiensi pakan yang lebih baik daripada pakan yang mengandung kadar protein 31,15% dengan rasio protein energi 7,81 dan kadar protein 28,27% dengan rasio protein energi 8,28. Kata kunci: ikan mas, Cyprinus carpio, rasio energi protein, efisiensi pakan

The utilization of different combination and level of corn, tapioca and pollard on the growth performance of black tiger shrimp (Penaeus monodon) juvenile Suprayudi, M. Agus; Yaniharto, Dedi; Ridwan, .
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

This experiment was conducted to evaluate the effect of carbohydrate level and sources on the growth performance of black tiger shrimp Penaeus monodon juvenile. Four shrimp diet contains isoprotein (35%) and isoenergy-protein ratio (8.2 kkcal/g protein) but different in carbohydrate level were used in this experiment. Diet A and B containing carbohydrate at the level of 34%, while diet C and D contain 40% of carbohydrate. Diet A and diet C have similar carbohydrate source pollard and corn plus tapioca at the ratio of 1:1, where diet B and D was 2:1:1. Shrimp with 1.5±0.1 g of average body weight were reared in aquarium at the density of 10 shrimp/aquaria and fed 4 times daily at the level of 8% of body weight. Feed consumption, total and protein digestibility, protein and lipid retention, relative growth rate, feed efficiency, survival rate and feed conversion ratio was used as evaluating parameters. The results showed that all diets have similar effect on total and protein digestibility, protein and lipid retention, relative growth rate, feed efficiency, and survival rate (P>0.05). It is concluded that Penaeus monodon juvenile could utilize carbohydrate until the level of 40%, and shrimp could utilize corn and tapioca as good as pollard. Keyword: Peneaus monodon, carbohydrate, pollard, corn, tapioca, growth ABSTRAK Penelitian ini bertujuan untuk mengetahui efek penggunaan dua kadar karbohidrat berbeda dari kombinasi tepung tapioka, tepung jagung dan tepung pollard dalam pakan terhadap kinerja pertumbuhan juvenil udang windu Penaeus monodon. Pakan uji yang digunakan mengandung kadar protein (35%) dan rasio energi-protein (8,2 kkal g protein) yang sama, tetapi berbeda kadar karbohidrat. Pakan A dan B mengandung kadar karbohidrat 34%, sedangkan pakan C dan D mengandung karbohidrat 40%. Pakan A dan C mengandung kadar karbohidrat sama dengan sumber pollard, jagung dan tapioka dengan rasio 1:1:1, sedangkan pakan B dan D dengan rasio 2:1:1. Larva dengan bobot 1,5±0,1 g dipelihara dalam akuarium selama 60 hari dengan kepadatan 10 ekor/akuarium. larva diberi pakan sebanyak 4 kali sehari sebanyak 8% dari bobot biomassa. Parameter yang diamati adalah tingkat konsumsi pakan, kecernaan total dan protein, retensi protein, retensi lemak, pertumbuhan relatif, efisiensi pakan, kelangsungan hidup dan konversi pakan. Hasil penelitian menunjukkan bahwa semua pakan perlakuan memberikan pengaruh yang sama terhadap tingkat konsumsi pakan, kecernaan total dan protein, retensi protein, retensi lemak, pertumbuhan relatif, efisiensi pakan, konversi pakan dan kelangsungan hidup (P>0,05). Dengan demikian disimpulkan bahwa juvenil Penaeus monodon mampu memanfaatkan karbohidrat sampai kadar 40%, dan udang mampu memanfaatkan tepung jagung dan tapioka seperti halnya pollard. Kata kunci: Penaeus monodon, karbohidrat, pollard, taioka, jagung, pertumbuhan

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)

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

The effect of phytase levels in the diet on the digestibility and growth performance of white shrimp Litopenaeus vannamei Suprayudi, Muhammmad Agus; Harianto, Dini; Jusadi, Dedi
Jurnal Akuakultur Indonesia Vol. 11 No. 2 (2012): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

This experiment was conducted to evaluate the effect of phytase levels in the diet on the digestibility and growth performance of white shrimp Litopenaeus vanname. White shrimp were used in the trial with initial body weight of 3.8±0.01 g were reared in aquarium (60×40×50 cm3) and filled with 60L treated sea water at a density of ten individu. Experimental diet were formulated in isonitrogeneous (36% protein) and isocaloric (3960 kcal/kg) to contain four levels of phytase: 0 iu/kg (diet A), 500 iu/kg (diet B), 750 iu/kg (diet C), and 1000 iu/kg(diet D). All diets were supplied with 0.5% of Cr2O3 as an indicator for digestibility measurement shrimp fed three times daily at satiation levelfor how many days of rearing. A factorial completely randomized experimental design was selected consisted of four treatments and triplicates. The result showed that the phytase addition improved the digestibility of protein, calcium, and phosphor as well as improve growth performance of white shrimp. Based on evaluation of those parameters, it is concluded that phytase level of500 IU support the best growth performance ofjuvenile white shrimp. Keywords: phytase, feed digestibility, growth,Litopenaeus vannamei

Growth and viability of juvenile humpback grouper (Cromileptes altivelis) supplemented with inorganic and organic selenium Hamzah, Muhaimin; Suprayudi, Muhammad Agus; Utomo, Nur Bambang Priyo; Manalu, Wasmen
Jurnal Akuakultur Indonesia Vol. 11 No. 2 (2012): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

This study was conducted to determine the effects of inorganic selenium (sodium selenite) and organic selenium (selenomethionine) supplementation on growth and viability of juvenile humpback grouper (Cromileptes altivelis). The experiment was designed as a completely randomized design with eight treatments and three replications. The treatment being tested was source and dosages of selenium ie., inorganic selenium (sodium selenite) supplementation with dosages of 0.5, 1, 2, and 4 mg Se/kg diet and organic selenium (selenomethionine) with dosages of 1, 2, and 4 mg Se/kg diet. Another treatment was unsupplemented selenium. Juveniles humpback grouper at an initial average length of 6,39±0,41 cm and body weight of 4,49±0,65 g were reared in 90×40×35 cm3 aquaria and fed artificial diet (pellet) two times daily (08.00 and 16.00) at satiation. Fishes were reared for 40 days at a stocking density of 12 fish per aquarium on sea water with salinity of 30–31 ppt and temperature of 28–29 °C. The results of this study showed that the source of selenium supplementation (inorganic or organic) affected growth performance, glutathione peroxidase (GPx) enzyme activity, and blood profiles of the experimental fish. Generally, it was found that selenomethionine supplementation resulted in better fish performance than sodium selenite. In sodium selenite supplementation, survival declined with the increased dosages of Se in the diet, and the supplementation at dosage of 0,5 mg Se/kg diet showed a toxic effects. Histopatological test showed that there were damage in livers, kidneys, and intestines of fish supplemented with sodium selenite from 0.5 to 4 mg Se/kg diet. On the contrary, supplementation of selenomethionine up to 4 mg Se/kg did not show any signs of toxicity and the survival was on 86.11 to 97.22%. Feed efficiency, protein retention, lipid retention, and Se retention indicated that a dosage of 4 mg Se/kg selenomethionine supplementation was the best dosage.Keywords: selenium, viability, growth, Cromileptes altivelis, humpback grouper

Co-Authors , Alimuddin , Sarmin . Ridwan . Vera Dewi Mulia, Troef Soemarno A Halim A. Malik Serang A. Shofy Mubarak Achmad Noerkhaerin Putra Adang Saputra Adiasmara Giri, I Nyoman Agus Oman Sudrajat Ahmad Yazid Latif Aimma, Muhammad Ariful Akhmad Baihaqi Alimuddin alimuddin alimuddin Amelia Oktaviani, Amelia Anargya Pradipa Tristanandana Apriana Vinasyiam Aprilianti Pratiwi Arief Boediono Aris Sudiyanto Aris Tri Wahyudi Arradini, Dewi Artin Indrayati Asda Laining Asda Laining Atmojo, Joko Tri Azmi Afriansyah Benny Heltonika Burhanudin Faisal, Burhanudin D. Jusadi Dairun, Suclyadi DARMAWAN SETIA BUDI Darsiani Darsiani Darsiani Darsiani Deddy Yaniharto Deddy Yaniharto DEDI JUSADI Dedi Jusadi Dedi Jusadi Dedi Yaniharto dedy yaniharto Denny Wahyudi DIAH AYU SATYARI UTAMI Diamahesa, Wastu Ayu Dian Novita Sari Didi Humaedi Yusuf, Didi Humaedi Dinamella Wahjuningrum Dinar Tri Soelistyowati Dini Harianto Dodi Hermawan E. Mursitorini Eddy Supriyono Edy Marsudi Elas, Putri Enang Harris Enang Harris Enang Harris Enang Harris Surawidjaja Endriatmo Soetarto F. Hapsyari Faiqotul Himmah, Maihardiyanti Fatma Hajiali Fauzan Fredinan Yulianda Gadis Sri Haryani Gebbie Edriani Ghina Raudathul Jannah Giri Maruto Darmawangsa, Giri Maruto Hadi Pratama, Ricky Harton Arfah Hasan Abidin Hasan Nasrullah Hasan Nasrullah Hasrah Hasrah Helena Sahusilawane Hendriana, Andri Husnidar Husnidar I Dewa Putu Oka Suardi I Gede Setiawan Adi Putra I Gusti Agung Gede Wiadnyana I GUSTI AGUNG GEDE WIADNYANA . I Gusti Ayu Rai I MADE ARTIKA I Made Artika I Wayan Budiyasa I Wayan Nurjaya I Wayan Suanda I. Mokoginta Ichsan Achmad Fauzi Iis Diatin Imah, Nenden Imlani, Ainulyakin Hasan Inarto, Hendri ING MOKOGINTA Iqbal Kurniawinata, Mohamad Ira Akhdiana Irmawati Irvan Faizal Irzal Effendi Ismarica, Ismarica Jr., Muhammad Zairin Juli Ekasari Julie Ekasari Jullie Ekasari KATSUYUKI HAMASAKI KATSUYUKI HAMASAKI KETUT BUDI SUSRUSA Komang Adi Wika Wiguna Kusriyati Kusriyati L. Indriastuti Latifah Kosim Darusman Ligaya I. T. A. Tumbelaka M. Ikhsan M. Setiawati M. Tri Djoko Sunarno M. Zairin Junior Mas Tri Djoko Sunarno Meilisza, Nina Meritha, Wellya Wichi Mia Setiawati Muhaimin Hamzah Muhammad Jailani Muhammad Junior Zairin Muhammad Raditya Gumelar Muhammad Ridzky Adhory Muhammad Roikhan Amanullah Muhammad Safir Muhammad Zairin Jr Muhammad Zairin Jr Muhammad Zairin JR Muhammad Zairin Jr Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. MUHAMMAD ZAIRIN Jr. Muhammad Zairin Jr. Mulyasari Mulyasari Munawar Khalil Muslim Muslim Muzahar Niagara, Niagara Nina Meilisza Nur Bambang Priyo Utomo Nuraini Annisa, Nuraini Nuril Farizah Odang Carman Otie Dylan Soebhakti Hasan Padlilah, Rahmi Paramadina, Siwi Pattipeilohy, Christian Ernsz R Rifai R. Sutajaya Raditya Gumelar, Muhammad Rahminiwati, Min Rakhmawati, Rakhmawati, Ria Septy Anggraini, Ria Septy Ricky Ramadhan Ridhia Putri RIDWAN AFFANDI Rina Hirnawati Rizky Nafaida Samalei, Ermianus Sarwititi Sarwoprasojdo, Sarwititi Senja, Reza Karunia Setyorini, Catur Siti Komariyah Sri Nuryati Sri Nuryati Suardi Laheng Suci Antoro Suci antoro Suclyadi Dairun Sukenda, Sukenda, Supriyadi Hari Respati Suryadi Saputra T. Makmur Talita Shofa Adestia Tatag Budiardi Titin Kurniasih TOSHIO TAKEUCHI TOSHIO TAKEUCHI Tulas Aprilia Upmal Deswira Utomo, Nurbambang Priyo Wahyudi, Imam Tri Wasmen Manalu Wida Lesmanawati WIDANARNI WIDANARNI Widiyanto, Aris Wijianti, Hani Wijiwinarsih, Amallia Wika Wiguna, Komang Adi Winda Styani Irawan, Winda Styani Wiyoto Wiyoto Y. Hadiroseyani Yessy Rahmayanti Yogo Tri Saloko Yudha Trinoegraha Adiputra Yudha Trinoegraha Adiputra Yutaka Haga Zairin Jr., Muhammad Zinatul Hayati

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