Nur Bambang Priyo Utomo
Department of Aquaculture

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Journal : Jurnal Akuakultur Indonesia

UTILIZATION OF CASSAVA AS SUBSTITUES OF WHEAT FLOUR FOR COMMON CARP DIETS Mokoginta, Ing; Priyo Utomo, Nur Bambang; Akbar, A.D.; Setiawati, Mia
Jurnal Akuakultur Indonesia Vol. 2 No. 2 (2003): Jurnal Akuakultur Indonesia
Publisher : ISSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (253.694 KB) | DOI: 10.19027/jai.2.79-83

Abstract

A triplicate experiment was conducted to evaluate cassava (Manihot esculenta) meal as alternative carbohydrate source for wheat flour in the diet of common carp (Cyprinus carpio L.). The diet contained 0%, 25%, 50%, 75%, and 100% of wheat flour were replaced by cassava meal in five treatment groups. Three fishes with 13.33 ±1.69 g initial body weights were cultured in a 50x40x35 cm aquarium for 40 days. Fish were fed on these diets three times a day at satiation. The study showed that growth rate, protein retention, lipid retention and feed efficiency of fish fed diets containing cassava meal up to 50% substitution levels were significantly (p
THE EVALUATION OF DIFFERENT LEVELS DIETS PROTEIN FOR GROWTH PERFORMANCE OF CLARIAS SP. FRY CULTURED IN BIOFLOC-BASED SYSTEM Khasanah, Noviati Rohmatul; Priyo Utomo, Nur Bambang; Setiawati, Mia; Yuhana, Munti
Jurnal Akuakultur Indonesia Vol. 16 No. 2 (2017): Jurnal Akuakultur Indonesia
Publisher : ISSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3314.234 KB) | DOI: 10.19027/jai.16.2.136-143

Abstract

ABSTRACT The study was conducted to evaluate the performance of catfish fry grown using different dietary protein levels in the biofloc-base aquaculture system. Experiments using a completely randomized design, consisted of four treatments and three replications. The treatment consisted of:  protein 38% (A), 34% protein (B), 30% protein (C), and protein 26% (D). Catfish with initial weight of 0.83±0.01 g and length of 4.64±0.04 cm were cultured in 60 L tank with density of 90 fish each tank for 35 days. Inoculation of heterotrophic bacterial Staphylococcus lentus L1k were performed of 104 CFU/mL ratio of 15 was administrated once a day after two hours feeding in the morning. Feeding was conducted twice a day at 5% of the biomass weight. At the end of trial treatment (D) showed the highest survival rate (88.15±5.25%), the body lenght variance coefficient (9.58±0.51%) and protein retention (39.87±2.77%). Treatment (B) showed the highest growth rate (4.11±0.05%), total length (2.39±0.08 cm), and feed intake (318.76±4.63). Treatment (A) showed the highest feed efficiency (93.65±4.43%) while lowest lipid retention compared to others (22.20±1.20%.). Based on the results, it can be concluded that 34% protein feed (C) can replace 38% protein feed (B) catfish fry size 4?5 cm through biofloc-based system. Keywords: biofloc, fry, growth, protein, Staphylococcus lentus L1k ABSTRAK Penelitian bertujuan mengevaluasi kinerja pertumbuhan benih lele dengan menggunakan kadar protein pakan yang berbeda pada sistem bioflok. Percobaan dilakukan menggunakan rancangan acak lengkap, terdiri atas empat perlakuan dan tiga ulangan. Perlakuan terdiri atas protein 38% (A), protein 34% (B), protein 30% (C), dan protein 26% (D), terdiri atas empat perlakuan dan tiga ulangan. Benih lele dengan berat rata-rata 0,83±0,01 g dan panjang rata-rata 4,64±0,04 cm dipelihara di akuarium berukuran 90×50×40 cm3 dengan padat tebar 90 ekor/akuarium selama 35 hari. Inokulasi bakteri heterotrof berupa Staphylococcus lentus L1k dilakukan pada setiap perlakuan kepadatan 104 CFU/mL. Penambahan sumber karbon berupa molase dengan C/N (Carbon/Nitrogen) rasio 15 diberikan satu kali sehari setelah dua jam pemberian pakan di pagi hari. Pakan diberikan dua kali sehari sebanyak 5% dari berat biomasa. Hasil penelitian menunjukkan pemberian kadar protein pakan berbeda memberikan hasil yang positif. Perlakuan (D) menunjukkan tingkat kelangsungan hidup (88,15±5,25%), koefisien keragaman panjang (9,58±0,51%) dan retensi protein (39,87±2,77%) terbaik. Perlakuan (B) menunjukkan laju pertumbuhan harian (4,11±0,05%), panjang total (2,39±0,08 cm), dan jumlah konsumsi pakan (318,76±4,63) tertinggi. Perlakuan (A) menunjukkan efisiensi pakan (93,65±4,43%) tertinggi namun menunjukkan retensi lemak (22,20±1,20%) terendah. Berdasarkan hasil penelitian disimpulkan bahwa pemberian pakan dengan kadar protein 34% mempunyai performa pertumbuhan yang sama dibandingkan protein 38% pada benih ikan lele berukuran 4?5 yang dipelihara menggunakan sistem budidaya bioflok. Kata kunci: benih lele, protein, pertumbuhan, bioflok, Staphylococcus lentus L1k 
PENGEMBANGAN PEMAKAIAN HASIL SAMPING AGROINDUSTRI BERBAHAN DASAR JAGUNG SEBAGAI ALTERNATIF BAHAN BAKU PAKAN IKAN KERAPU TIKUS CROMILEPTES ALTIVELIS Suprayudi, Muhammad Agus; Yaniharto, Dedy; Abidin, Hasan; Priyo Utomo, Nur Bambang; Jusadi, Dedi; Setiawati, Mia
Jurnal Akuakultur Indonesia Vol. 10 No. 2 (2011): Jurnal Akuakultur Indonesia
Publisher : ISSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (266.347 KB) | DOI: 10.19027/jai.10.116-123

Abstract

ABSTRACTThis experiment was conducted to evaluate the use of by product of corn ethanol industry, DDGS (distiller dried grain with soluble) and hominy as feed raw material on digestibility and the growth performance of humpback grouper Cromileptes altivelis juvenile. Three experimental diets containing isoprotein (48%) but different in DDGS contain were used. Diet A containing 0% of DDGS and hominy while diet B and C containing 10.13% (6.13% of DDGS and 4% of hominy) and 19.05% (15.05% of DDGS and 4% of hominy). Reduce of fish meal level in the diet was happen as a consequence of balancing amino acid. For digestibility experiment and Cr2O3 at level of 0.05% was used as a tracer. The feces were daily collected 30?60 minutes after feeding for 14 days. Dry matter and protein were used as digestibility parameters. Completely randomized design with three treatments and two replicates was used in this experiment. Humpback grouper with an average weight of 11?14 g were reared at floating net cages (FNG) of 3×2×1.5 m3. The stocking density for each cage was 167 fish/FNG and reared for six months. For digestibility measurement 30 fish were held in cylindrical fiber tank filled with 800 L of sea water. Fish were fed three times daily at satiation level. For maintaining net in a clean condition net was changed in every ten days. Feed consumption, digestibility of protein and total, growth performance indicator i,e specific growth rate, feed efficiency protein and lipid retention were used as evaluating parameters. The results showed that the fish fed with diet containing DDGS (6.13%) dan hominy (4%), at the level of 10.13% (diet B), shows similar growth performance indicators with the fish fed diet A (0% of DDGS and hominy) and the growth performance indicator was higher when being compared to those fish fed diet C (containing 19.05% of DDGS (15.05%) and hominy (4%)) (p<0.05). More over the inclusion of DDGS and hominy at the level of 10,13% give no negatif impact to feed palatability (shown by total feed consumption value) and digestibility of protein. The increasing level of DDGS and hominy more than 10% reduced palatability and protein digestibility. Based on this research, DDGS and hominy can be used up to 10% in the feed formulation of humpback grouperKeywords: digestibility, growth performance, DDGS, hominy, humpback grouper, Cromileptes altivelisABSTRAKPenelitian ini dilakukan untuk mengevaluasi pemanfaatan limbah jagung dari industri etanol dalam bentuk distillate dried grain with soluble (DDGS) dan homini sebagai bahan baku pakan terhadap kinerja pertumbuhan ikan kerapu bebek Cromiliptes altivelis. Ikan yang digunakan dalam penelitian ini adalah juvenil ikan kerapu bebek berukuran 11?14 g. Ikan dipelihara dalam karamba jaring apung yang berukuran 3×1,5×2 m3 dengan kepadatan 167 ekor/jaring. Ikan diberi pakan sampai kenyang sebanyak dua kali sehari. Untuk menjaga agar jaring tetap bersih maka dilakukan pergantian jaring setiap satu sampai dua minggu sekali. Ikan dipelihara selama lima bulan dan setiap bulan dilakukan sampling. Tiga macam pakan digunakan dalam penelitian ini dengan kadar protein 47% dan rasio energi protein 10 kkal/g protein. Pakan A adalah pakan yang tidak mengandung DDGS dan homini, pakan B mengandung DDGS 6,13% dan 4% (total 10,13%), dan pakan C mengandung DDGS 15,05% dan Homini 4% (total 19,5%). Untuk mengevaluasi ketercernaan nutrien maka kromium oksida (Cr2O3) digunakan sebagai penelusur. Penelitian ketercernaan dilakukan di laboratorium dengan menggunakan fiber dengan volume 800 L. Rancangan acak lengkap dengan tiga perlakuan dan dua ulangan digunakan dalam penelitian ini. Hasil penelitian menunjukkan bahwa nilai ketercernaan nutrien tidak berbeda sampai total kadar DDGS dan homini 10,13% (pakan B) dan peningkatan DDGS serta homini sampai 19,05% (pakan C) menurunkan nilai ketercernaan. Ikan yang diberi pakan dengan DDGS sebesar 10,13% (pakan B) memiliki nilai efisiensi pakan, sintasan, laju pertumbuhan spesifik, konsumsi pakan dan retensi protein yang sama dengan pakan tanpa DDGS (pakan A), akan tetapi nilai-nilai tersebut lebih tinggi jika dibandingkan dengan ikan yang diberi pakan B (p<0,05). Retensi lemak ikan yang diberi pakan B memiliki nilai yang lebih tinggi jika dibandingkan dengan ikan yang diberi pakan A dan C. Dari penelitian ini dapat disimpulkan bahwa DDGS dan homini dapat digunakan sebagai bahan baku pakan ikan kerapu bebek sampai level 10,13% (DDGS 6,13% dan homini 4%).Kata kunci: pertumbuhan, ketercernaan, DDGS, homini, ikan kerapu bebek, Cromileptes altivelis
GROWTH PERFORMANCE AND NUTRITION VALUE OF SPIRULINA SP. UNDER DIFFERENT PHOTOPERIOD Budiardi, Tatag; Priyo Utomo, Nur Bambang; Santosa, Asep
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : ISSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (182.763 KB) | DOI: 10.19027/jai.9.146-156

Abstract

This study was conducted to analyze the production of freshwater Spirulina sp. cultured with photoperiod manipulation treatment. In this study, photoperiod manipulation treatment performed on cultured spirulina using fiber tanks (100 L). Spirulina was grown with different photoperiod (bright/T and dark/G) that are six hours per day (6T-18G), 12 hours per day (12T-12G), 18 hours per day (18T-6G), and 24 hours per day (24L-0G). The parameters were observed include dry biomass, population density (N), specific growth rate (SGR), doubling time (G), proximate analysis, and water quality. The results of this study showed that the optimum population density was achieved on day-3 days of cultured, and manipulation photoperiod showed no significant effect to the dry biomass harvest and population density, but significantly affect the specific growth rate and doubling time. Treatment of lighting 12, 18 and 24 hours per day to produce the maximum specific growth rate (0,345 to 0,366 per day) and a maximum doubling time (1,89 to 2,01 days) were not significantly different, whereas the old treatment six hours per day lighting showed the lowest maximum growth rate (0,323 per day) and highest doubling time (2,15 days). At treatment of lighting 12 hours per day, relatively higher protein content (39,73%) than others. In conclusion, the lighting 12 hours per day resulted in optimum production efficiency than other treatments.Keywords: Spirulina sp., photoperiod, density, biomass, growth, nutrition value. ABSTRAKPenelitian ini dilakukan untuk menganalisis produksi spirulina Spirulina sp. air tawar yang dikultur dengan manipulasi fotoperiode.  Dalam penelitian ini, spirulina dikultur dalam wadah fiber 100 L dengan perlakuan fotoperiode (terang/T dan gelap/G) berbeda, yaitu enam jam per hari (6T-18G), 12 jam per hari (12T-12G), 18 jam per hari (18T-6G), dan 24 jam per hari (24T-0G). Parameter yang diamati meliputi biomassa kering, kepadatan populasi (N), laju pertumbuhan spesifik (SGR), waktu penggandaan (G), dan analisis proksimat sprirulina, serta kualitas air. Hasil penelitian menunjukkan bahwa kepadatan populasi optimum dicapai pada hari ke-3 umur kultur dan manipulasi fotoperiode tidak berpengaruh nyata terhadap hasil biomassa kering dan kepadatan populasi, namun secara nyata mempengaruhi laju pertumbuhan dan waktu penggandaan. Perlakuan pencahayaan 12, 18 dan 24 jam per hari menghasilkan laju pertumbuhan spesifik maksimum (0,345 sampai dengan 0,366 per hari) dan waktu penggandaan maksimum (1,89 sampai dengan 2,01 hari) yang tidak berbeda nyata, sedangkan perlakuan pencahayaan enam jam per hari menunjukkan laju pertumbuhan maksimum terendah (0.323 per hari) dan waktu penggandaan tertinggi (2,15 hari). Pada perlakuan pencahayaan 12 jam per hari, kandungan protein relatif lebih tinggi (39,73%) dari yang lain. Secara umum dapat disimpulkan bahwa  pencahayaan 12 jam per hari menghasilkan efisiensi produksi yang lebih baik daripada perlakuan lainnya.Key word: Spirulina sp., fotoperiode, kepadatan, biomassa, pertumbuhan, kandungan nutrisi.