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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Management of Aquatic Resources Journal (Maquares) Journal of Aquaculture Management and Technology Journal of Marine Research CERMIN Jurnal Ilmiah Mahasiswa FEB Eksergi: Chemical Engineering Journal Jurnal Kelautan Tropis Omni-Akuatika Jurnal Perikanan Universitas Gadjah Mada Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Jurnal Riset Akuakultur Aquacultura Indonesiana Jurnal Sains Teknologi Akuakultur Abdi Dosen : Jurnal Pengabdian Pada Masyarakat PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN Jurnal Abdi Insani Pena : Jurnal Ilmu Pengetahuan dan Teknologi Equivalent: Jurnal Ilmiah Sosial Teknik Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat: Dimastika

Diana Rachmawati

Aquaculture Study Program, Faculty Of Fisheries And Marine Sciences, Diponegoro University, Semarang, Central Jawa, Indonesia

Author-ID : 353962

Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Polyculture Engineering of White Shrimp Vannamei and Seaweed on Different Planting Distance on The Growth, Survival in Abration Pond Istiyanto Samidjan; Diana Rachmawati
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

The objective of the study was to assess the role of polyculture engineering of vanamei shrimp, and seaweed in an effort to increase growth and survival. The experimental method was randomized complete design with 4 treatments and 3 replications were T1 (10 PL / m2 white shrimp vannamei and seaweed distance 15 cm), T2 (10 PL / m2 of white shrimp vannamei and seaweed distance 30 cm), T3 (10 PL / m2 white shrimp vanamei and seaweed distance 45 cm, T4 (10 PL / m2 white shrimp vanamei and seaweed 60 cm). Seaweed used Gracillaria sp type 150 g / bundle with treatment used a long line system placed around the nets plot of 1 m2 in pond culture 300 m2. Data includes the growth of absolute weight, survival, FCR were analyzed variety and test Tukey. observation of the water quality of maintenance media include nitrite, ammonia, temperature, pH, salinity using descriptive. There is a very real effect (P <0.01) on treatment with different plant spacing on seaweed and vanamei shrimp on growth and survival of white shrimp vanamei and seaweed. The highest absolute weight growth in vanamei shrimp was T4 treatment (vanamei shrimp 29.25 ± 0.07 g), and seaweed (2919.03 ± 8.70bg) of white shrimp vanamei survival rate (98.25% ± 2.25%) and FCR (food Conversion ratio) 1.15 ± 0.09. Water quality is still feasible optimum.

Engineering Technology of White Shrimp (Litopenaeus vannamei) Intensive System Culture with the Suplementation of Phytase Enzyme in the Diet Diana Rachmawati; Istiyanto Samidjan
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

This study aims to examine the effect of phytase enzyme in the diet on digestibility of growth of white shrimp (Litopenaeus vannamei) raised in intensive system culture. Research on the suplementation of phytase enzymes in L. vannamei diet is very important to hydrolyze phytic acid in vegetable ingredients as a source of diet protein so as to increase the efficiency of diet utilization to support growth of vaname shrimp. The shrimp used in the research had average weight of 1,19±0,06 g/shrimp. The diet contained 38% of protein and 3200 Kcal DE/kg with various doses of phytase enzyme suplementation, namely: A (0 U/kg diet), B (500 U/kg diet), C (1000 U/kg diet) and D (1500 U/kg diet). Observed parameters were digestibility of phosphore (ADCF), disgetibility of protein (ADCP), efficiency of diet utilitzation (EFU), protein efficiency ratio (PER), diet convesion ratio (FCR) relative growth rate (RGR), and survival rate (SR). The suplementation of phytase enzyme in the diet significantly influenced (P<0.01) on ADCF, ADCP, EFU, PER, FCR, RGR; however, it did not significantly influence on SR of white shrimp. The best treatment result was the suplementation of 1000 U/kg diet phytase enzyme (treatment C). The optimum dose of phytase enzyme in the diet was 867, 920, 923, 915, 1000 and 1000 U/kg of diet respectively for ADCF, ADCP, EFU, PER, FCR, RGR. Based on those result the suplementation of phytase enzyme can increase the growth of white shrimp.

Aplikasi Isochrysis galbana dan Chaetoceros amami serta Kombinasinya Terhadap Pertumbuhan dan Kelulushidupan Veliger-Spat Tiram Mutiara (Pinctada maxima) Nur Taufiq; Diana Rachmawati; Justin Cullen; Yuwono Yuwono
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 15, No 3 (2010): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Salah satu penyebab rendahnya pertumbuhan dan kelulushidupan pada perkembangan awal larva sampai spat tiram mutiara (Pinctada maxima) adalah pemberian pakan alami yang kurang tepat. Tujuan penelitian ini adalah untuk menganalisis pemberian pakan alami Isochrysis galbana dan Chaetoceros amami dan kombinasinya terhadap pertumbuhan dan kelulushidupan veliger-spat Pinctada maxima. Penelitian ini dilaksanakan di PT. Autore Pearl Culture, Sumbawa, NTB. Rancangan Acak Lengkap dengan 5 perlakuan dan 3 kali ulangan diterapkan pada penelitian ini, yaitu pemberian pakan alami 100% I. galbana); kombinasi 75% I. galbana dan 25% C. amami, kombinasi 50% I. galbana dan 50% C. amami, kombinasi 25% I. galbana dan 75% C. amami, dan 100% C. amami, dengan kepadatan 7 x 106 sel/mL. Untuk mengetahui pengaruh perlakuan dilakukan analisis ragam (ANOVA) yang dilanjutkan dengan uji wilayah ganda Duncan.. Hasil penelitian menunjukkan bahwa selama pemeliharaan veliger-spat dengan pakan I. galbana, C. amami dan kombinasinya berpengaruh sangat nyata (P<0,01) terhadap pertumbuhan panjang mutlak cangkang dan berpengaruh nyata (P<0,05) terhadap kelulushidupan. Pertumbuhan panjang mutlak dorsal-ventral dan anterior-posterior cangkang tertinggi dicapai pada perlakuan kombinasi 25% I. galbana dan 75% C. amami, yaitu 1.623,7µm dan 2.217,11 µm. Kelulushidupan tertinggi dicapai oleh pemberian 100% I. galbana sebesar 6,85%. Kata kunci: Pinctada maxima, Veliger, Spat, Isochrysis galbana, Chaetoceros amami, pertumbuhan The low growth and survival rates of pearl oyster (Pinctada maxima) at early development from larvae to spat is commonly due to inappropriate natural food given. The aims of the present study was to determine the effect of natural food Isochrysis galbana, Chaetoceros amami and its combination on the growth and survival rates of pearl oyster (P. maxima) larvae. This study was conducted at PT. Autore Pearl Culture, Sumbawa, West Nusa Tenggara province. Completely Randomized Design was applied with 5 treatments and 3 replications. The treatments were 100 % I. galbana, combination of 75% I. galbana and 25% C. amami, 50% I. galbana and 50% C. amami, 25% I. galbana and 75% C. amami, and 100% C. amami, with density of 7 x 106 sel/mL. The data of length growth and survival were analyzed by Analysis of Variants followed by Duncan’s Test. The result showed that the treatments gave highly significant difference (P< 0.01) on the shell growth and significantly different (P< 0.05) on survival rate. The highest dorsal-ventral and anterior-posterior shell growth (1,623.7 µm and 2,217.11 µm) reached by spat fed on combination of 25% I. galbana and 75% C. amami. The highest survival rate (6.85%) was reached by spat fed by 100 % I. galbana . Key words: Pinctada maxima, Veliger, Spat, Isochrysis galbana, Chaetoceros amami, growth

Pengaruh Salinitas Media Berbeda Terhadap Pertumbuhan Keong Macan (Babylonia spirata L.) Pada Proses Domestikasi (Effect of Different Media Salinity on the growth of Spotted Babylon (Babylonia spirata L.) During Domestication Process) Diana Rachmawati; Johannes Hutabarat; Sutrisno Anggoro
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 17, No 3 (2012): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Proses domestikasi sangat diperlukan dalam upaya optimalisasi budidaya keong macan (Babylonia spirata L., Neogastropoda, Buccinidae), sehingga kondisi optimum dari media yang sesuai dengan kebutuhan hidup (ekofisiologis) diketahui. Dalam media, salinitas merupakan salah satu faktor fisiologis yang berpengaruh terhadap pemanfaatan pakan dan pertumbuhan. Tujuan penelitian adalah mengkaji pengaruh salinitas media yang berbeda dan salinitas media terbaik terhadap tingkat kerja osmotik, pertumbuhan, kelulushidupan dan efisiensi pemanfaatan pakan keong Macan pada proses domestikasi. Keong Macan diperoleh dari perairan Jepara. Pakan yang diberikan adalah ikan Juwi (Anadontostoma chucunda) sebanyak 5 % bobot biomass/hari. Metode rancangan acak lengkap diterapkan dalam penelitian ini dengan perlakukan media salinitas 27 ppt (hipo-osmotik), 31 ppt (iso-osmotik) dan 35 ppt (heperosmotik). Hasil penelitian menunjukkan bahwa salinitas media yang berbeda pada proses domestikasi berpengaruh sangat nyata (P<0.01) terhadap tingkat kerja osmotik, pertumbuhan, efisiensi pemanfaatan pakan namun tidak berpengaruh nyata (P>0.05) terhadap kelulushidupan keong macan. Media isoosmotik dengan salinitas 31 ppt merupakan media terbaik bagi tingkat kerja osmotik, pertumbuhan, kelulushidupan dan efisiensi pemanfaatan pakan keong macan. Kualitas air media selama penelitian masih dalam kisaran yang layak bagi domestikasi keong macan.Kata kunci: Keong Macan, Babylonia spirata L., salinitas, domestikasi, tingkat kerja osmotikDomestication process is important factor prior to Spotted Babylon (Babylonia spirata L., Neogastropoda, Buccinidae) culture. The optimum condition of the media in accordance with the necessities of life (eco physiology) spotted Babylon for domestication is not been understood, therefore the present work was aimed to examine the influence of different media salinity on the level of osmotic performance, growth, survival rate and feed efficiency. Spotted Babylon were collected from Jepara waters and were fed with juwi fish (Anadontostoma chucunda) for 5% biomass weight/day. Three salinity medium were applied, ie. Hypo osmotic (27 ppt ), iso osmotic (31 ppt), and hyper osmotic (35 ppt). The result showed that salinity affected very significantly (P<0,01) on the level of osmotic work (TKO), growth, feed utilization efficiency but no effect (P>0,05) on survival rate of Spotted Babylon (B. spirata L .). The isoosmotic media (31 ppt) is the best for osmotic performance, growth, survival rate, and feed utilization efficiency spoted Babylon (B. spirata L .). Water quality media during the study were still within the appropriate range for the domestication of Spotted Babylon (B. spirata L.).Key words: Spotted Babylon, Babylonia spirata L., salinity, domestication, osmotic work

Aplikasi Quixalud dalam Pakan Buatan Terhadap Pertumbuhan, Rasio Konversi Pakan dan kelulushidupan Benih Ikan Kerapu Macan (Epinephelus fuscogutattus) Diana Rachmawati
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 11, No 1 (2006): Jurnal Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Quixalud merupakan feed additive berwarna krem berbentuk bubuk, terdiri dari halquinol 60 % dan kalsium karbonat 40 % Quixalud digunakan sebagai feed additive pakan untuk memperbaiki kandungan nutrisi. Tujuan penelitian adalah untuk mengetahui pengaruh penambahan quixalud dalam pakan buatan; dosis terbaik penambahan quixalud dalam pakan buatan dan dosis optimum penambahan quixalud dalam pakan buatan yang menghasilkan pertumbuhan, rasio konversi pakan dan kelulushidupan terbaik benih ikan kerapu macan. Benih ikan kerapu macan (berat rata-rata 0,36 gram dan panjang rata-rata 1,5 cm) yang berasal dari pemijahan alami BPAP Situbondo digunakan dalam penelitian ini. Pakan uji berbentuk pellet kandungan protein 43,64%, pakan uji dibuat dari pakan komersial bentuk bubuk produksi BBPBAP Jepara ditambah quixalud bentuk bubuk dengan dosis sesuai perlakuan. Metode penelitian menggunakan eksperimental yang dilakukan dilaboratorium dengan Rancangan Acak Lengkap (RAL). Perlakukannya berupa penambahan berbagai dosis quixalud dalam pakan, yaitu : 0 mg/kg; 15 mg/kg; 30 mg/kg dan 45 mg/kg. Hasil penelitian menunjukkan bahwa penambahan quixalud dalam pakan buatan berpengaruh nyata (p<0,05) terhadap laju pertumbuhan spesifik harian. berpengaruh sangat nyata (p<0,01) terhadap rasio konversi pakan dan tidak berpengaruh nyata (p>0,05) terhadap kelulushidupan benih ikan kerapu macan. Penambahan quixalud dalam pakan buatan sebesar 30 mg/kg pakan (perlakuan C) memberikan pertumbuhan, rasio konversi pakan dan kelulushidupan benih ikan kerapu macan terbaik. Dosis optimal penambahan quixalud dalam pakan buatan untuk laju pertumbuhan spesifik harian adalah 20,73 mg/kg pakan dan dosis optimal untuk rasio konversi pakan adalah 20,55 mg/kg pakan. Kualitas air media masih dalam kisaran yang layak bagi pemeliharaan nenih ikan kerapu macan. Kata kunci: Quixalud, pertumbuhan, rasio konversi pakan dan kelulushidupan. Quixalud is additive feed represent in cream color in form of powder, consist of halquinol 60 % and carbonate calcium 40 %. Quixalud used as additive feed to improve nutritional content. Aim of this research are to know effect of quixalud addition in artificial feed; beside to know the best dose of quixalud addition in feed and optimum dose quixalud addition in feed to make the best growth, feed convertion ratio and survival rate of tiger grouper seed. The research used tiger grouper seed (mean of weight is 0,36 gram and mean length is 1,5 cm) as animal test. The seeds coming from natural spawner of BPAP Situbondo. The test feed formed in pellet by raw material from powder artificial feed made by BBPAP Jepara adding by quixalud in powder form too in doses as the treatment used. The protein content of the test feed is 43,64%. The research done by experimental laboratory method used completely random design. The treatment are addition of various quixalud dose in feed, that are : 0 mg/kg; 15 mg/kg; 30 mg/kg and 45 mg/kg. The Result of research indicate that addition of quixalud in feed made a significantly effect (p < 0,05) to daily specific growth rate. Having a very significantly effect (p < 0,01) to FCR and having not an effect (p > 0,05) to survival rate of the tiger grouper seed. Addition of quixalud in feed in equal to 30 mg/kg feed (treatment C) giving the best of growth rate, FCR and and survival rate to the tiger grouper seed. The optimal dose addition of quixalud in feed that made the optimal growth is 20,73 mg/kg feed and optimal dose for the FCR is 20,55 mg/kg feed. The water quality parameters during the rearing period were still suitable range for tiger grouper seed. Key words: Quixalud, growth, feeding conversion ratio (FCR) and survival rate

Efek Ronozyme P dalam Pakan Buatan Terhadap Pemanfaatan Pakan dan Pertumbuhan Ikan Kerapu Macan (Epinephelus fuscoguttatus) Diana Rachmawati; Johannes Hutabarat
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 11, No 4 (2006): Jurnal Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Kendala yang dihadapi dalam penggunaan bahan nabati dalam pakan adalah pemanfaatan pakan tidak maksimal. Hal ini disebabkan karena bahan nabati dalam pakan terutama yang berupa biji-bijian didalamnya terdapat zat anti nutrisi berupa asam fitat. Asam fitat ini sulit dicerna dengan baik oleh ikan kerapu, sehingga dapat mempengaruhi penyerapan nutrien yang akhirnya berpengaruh terhadap pemanfaatan nutrisi pakan dan selanjutnya secara tidak langsung juga dapat mempengaruhi pertumbuhan. Salah satu cara untuk mengatasi masalah tersebut adalah dengan penambahan Ronozyme P yang mengandung enzim fitase ke dalam pakan. Roinozyme P berbentuk butiran yang terbuat dari jamur Peniphora lycii hasil fermentasi dengan jamur Aspergillus oryza. Penelitian ini bertujuan untuk mengetahui pengaruh Ronozyme P dalam pakan buatan terhadap pemanfaatan pakan dan pertumbuhan kerapu macan serta mengetahui dosis Ronozyme P yang baik untuk pemanfaatan pakan dan pertumbuhan kerapu macan. Metode yang digunakan dalam penelitian ini adalah metode eksperimen yang dilakukan dilaboratorium dengan menggunakan rancangan acak lengkap (RAL) dengan empat perlakuan dan tiga ulangan. Perlakuan yang diberikan adalah penambahan Ronozyme P yang berbeda dalam pakan, yaitu A (0 mg/kg pakan); B (500 mg/kg pakan); C (1000 mg/kg pakan); dan D (1500 mg/kg pakan). Parameter yang diamati adalah pertumbuhan mutlak, laju pertumbuhan harian, pemanfaatan pakan (konversi pakan dan rasio pemanfaatan protein), kelulushidupan dan kualitas air. Data dianalisis dengan analisis ragam (Anova) dan perbedaan antar perlakuan dengan uji wilayah ganda duncan. Penelitian ini di laksanakan pada bulan Agustus-Desember 2005 di Balai Budidaya Air Payau Jepara. Hasil penelitian menunjukkan Ronozyme P memberikan pengaruh yang nyata (p<0,05) terhadap pertumbuhan mutlak, laju pertumbuhan harian, dan konversi pakan, serta memberikan pengaruh sangat nyata terhadap (p<0,01) rasio pemanfaatan protein. Tetapi tidak memberikan pengaruh nyata (p>0,05) terhadap kelulushidupan. Dosis yang baik untuk pemanfaatan pakan dan pertumbuhan kerapu macan adalah 875-1000 mg/kg pakan.Kata kunci : Ronozyme P, Pertumbuhan, Pemanfaatan pakan, Kerapu macan.One constraint faced using a plant material in diets is food utilization can’t maximal. This matter caused by plant materials in diets especially in the form of cereals contain anti nutritional elements like phytic acid. Thephytic acid is difficult to digested by brown-marbled grouper, so that can be influence the absorbtion of nutrient and utilization of feed nutrition and finally have an effect to growth. The one solution to overcome the problem is addition of Ronozyme P contain phytase enzyme in feed. Ronozyme P in granulated form made of from mushroom Peniphora lycii and fermented by Aspergillus oryza. This research aimed to knoweffect addition of Ronozyme P in artificial feed to feed utilization and growth and to know the best Ronozyme P dose for the best feed utilization and growth of brown-marbled grouper. The research conducted by experimental in laboratory used completely random design with 4 treatments and 3 replicates for each treatment. The treatment is addition of Ronozyme P in feed that are: A (0 mg enzyme/kg feed); B (500 mgenzyme/kg feed); C (1000 mg enzyme/kg feed); and D (1500 mg enzyme/kg feed). The observing parameter are : absolute growth, daily growth rate, feed efficiency (feed conversion and protein efficiency ratio), survival rate and water quality of culture medium. Data analysed by Analysis of Variance (ANOVA)and Duncan Multiple Range Test. This research executed within August-December, 2005 on the Center for Brackishwater Research, Jepara, Central Java. The result showed that Ronozyme P given a significant effect (p<0,05) to absolute growth, daily growth rate, and feed conversion brown-marbled grouper, and given a very significant effect (p<0,01) to protein efficiency ratio. But did not give a significant effect (p>0,05) to survival rate. The best dose of Ronozyme P to feed utilization and growth for brown-marbled grouper are 875-1000 mg /kg feedKey words : phytase enzyme, food utilization, brown-marbled grouper.

Performa Laju Pertumbuhan Relatif dan Kelulushidupan Kerapu Macan (Epinephelus fuscoguttatus) melalui Substitusi Tepung Ikan dengan Tepung Cacing Tanah (Lumbricus rubellus) dalam Pakan Buatan Diana Rachmawati
Buletin Oseanografi Marina Vol 2, No 4 (2013): Buletin Oseanografi Marina
Publisher : Universitas Diponegoro

Sumber protein hewani pakan buatan saat ini masih bergantung pada tepung ikan. Tepung ikan yang memiliki kualitas baik dan murah saat ini semakin sulit untuk diperoleh untuk menekan biaya pakan. Sumber bahan baku protein hewani yang lain diperlukan untuk dapat mengganti tepung ikan dalam pakan buatan. Salah satu bahan lokal dapat dijadikan sebagai alternatif sumber protein hewani pakan buatan adalah tepung cacing (L. rubellus). Tujuan penelitian ini untuk mengkaji pengaruh substitusi tepung ikan dengan tepung cacing tanah (L rubellus) terhadap laju pertumbuhan relatif dan kelulushidupan kerapu macan (E. fuscoguttatus) dan menentukan dosis terbaik substitusi tepung ikan dengan tepung cacing tanah (L. rubellus) terhadap laju pertumbuhan rrelatif dan kelulushidupan kerapu macan (E. fuscoguttatus). Kerapu macan untuk penelitian ini memiliki bobot rata-rata 2,8 ± 0,05 g.ekor -1 dengan kepadatan 1 ekor.liter-1. Pakan penelitian berupa pakan buatan berbentuk pellet dengan substitusi tepung ikan dengan tepung cacing tanah sebesar 0%, 25%, 50%, dan 75%. Pemberian pakan kerapu macan menggunakan metode at satiation dan kerapu macan dipelihara selama 42 hari. Hasil penelitian menunjukkan bahwa pakan buatan dengan substitusi tepung ikan dengan tepung cacing tanah berpengaruh nyata (P<0,05) terhadap laju pertumbuhan relatif dan tidak berpengaruh nyata (P>0,05) terhadap terhadap kelulushidupan Kerapu Macan . Hasil ini menunjukkan bahwa substitusi tepung ikan dengan tepung cacing tanah sebesar 25% merupakan dosis terbaik untuk laju pertumbuhan relatif kerapu macan. Kata-kata kunci : Kerapu macan, Substitusi, Pakan buatan, Laju pertumbuhan relatif, Kelulushidupan

DIETARY LYSINE REQUIREMENT OF JAVA BARB (Puntius javanicus BLEEKER, 1855) FINGERLINGS TO OPTIMIZE FEED EFFICIENCY, GROWTH, AND NUTRIENT CONTENTS Diana Rachmawati; Istiyanto Samidjan; Tita Elfitasari; Rosa Amalia; Dewi Nurhayati
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 17, No 3 (2021): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.17.3.%p

The slow growth of the Java barb (Puntius javanicus Bleeker, 1855) fingerlings is due to the feeding of plant-based protein which is usually lack of lysine. The lack of it, can hinder the feed efficiency and growth. The best way to solve the problem is by adding lysine in the diet. The objectives of the study were to determine optimal needs of lysine to increase feed efficiency, growth, and nutrient contents of Java barb. The fish samples were fingerlings of Java barb which weighed from 3.26 to 3.78 g-1 fish. The feed comprised 30% isoprotein and 262 Kcal isoenergy supplemented with lysine amino acid. The dosages of the lysine in the diet were 1.25% (A1), 1.5% (A2), 1.75% (A3), 2.0% (A4), 2.25% (A5), and 2.5% (A6) of dried diets. The parameters observed were relative growth rate (RGR), apparent digestibility coefficients of protein (ADCp), efficiency of feed usage (EFU), feed conversion ratio (FCR), protein efficiency ratio (PER), survival rate (SR), hepatosomalic index (HSI), viscerosomatic index (VSI) and nutrient contents of Java barb. The results of the study disclosed that the enrichment of lysine into the diet increased the feed utilization, the growth and the nutrient contents of Java barb. The needs of lysine for Java Barb (Puntius javanicus) fingerlings to optimize feed efficiency, growth, and nutrition contents ranged from 1.58% to-1.70% dried diet (5.3 to 5.6 % of protein diet).

Addition of Phytase Artificial Feed to Increase Digesting, Specific Growth and Survival Rate of Nile Tilapia fingerlings (Oreochromis niloticus) Diana Rachmawati; Istiyanto Samidjan
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 10, No 1 (2014): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

The aims of this study were to examine the effects of phytase enzym and to determine the optimum dose of phytase enzym in artificialfeed on digesting, specific growth rate and survival rate of Nile Tilapia fingerlings (Oreochromis niloticus). Nile Tilapia fingerlings(O. niloticus) used in this study were 120 animals with the weight of 3±0.02 g/animal. The fingerlings were raised in 6 weeks with thedensity of 1 animal/liter. Methodology used in this study was laboratory treatments with complete random design. The studyconsisted of four treatments and three repetitions. The treatments were addition of phytase enzym in artificial feed with the differentlevel of doses; those were A (0 mg/(kg of feed)), B (500 mg/(kg of feed)), C (1.000 mg/(kg of feed)), and D (1.500 mg/(kg of feed)).The artificial feed with 30% protein content was in the dried and crumb pellet form which was added phytase enzym in everytreatment. Data collected were specific growth rate, feed conversion ratio, protein efficiency ratio, raw protein digesting rate, totalprotein digesting rate, survival rate and water quality. Varian annalysis was used in this study. If the results were significant(p<0.05) and highly significant (p<0.01), double Duncan area test was conducted to determine the mean of different treatments. Inorder to find the optimum effect polynomial orthogonal test was used. Descriptive analysis was used to explain raw and total proteindigesting rate and water quality. The results show that the addition of phytase enzym in artificial feed significantly affected on thespecific growth and feed utilization ( feed and protein efficiency ratios); however, it did not significantly affect on the survival rates.The optimum dose of phytase enzym in artificial feed on the specific growth and feed utilization was at the level of 1,000 mg/(kg offeed). This level resulted in the highest of raw and total protein digesting rates of Nile Tilapia fingerlings (O. niloticus), compared toB, D, and A treatments. The raw and total protein digesting rates were of 84.88% and 71.27%. The water quality during study was inviable range for the Nile Tilapia fingerlings (O. niloticus) cultivation.Keywords : Nile Tilapia (Oreochromis niloticus), Phytase Enzym, Digesting, Specific Growth, Survival Rate

Pengaruh Penambahan Asam Amino Lisin pada Pakan Komersil terhadap Efisiensi Pemanfaatan Pakan, Pertumbuhan, dan Kelulushidupan Udang Vaname (Litopenaeus vannamei) Diana Rachmawati; Sarjito Sarjito; Panji Yusroni Anwar; Seto Windarto
Jurnal Kelautan Tropis Vol 23, No 3 (2020): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v23i3.9183

Reducing feed cost in the vaname (Litopenaeus vannamei) cultivation can be achieved by increasing quality of commercial feed. To increase the feed quality is by adding lysine amino acid, because lysine is one of the amino acids that can boost fish growth, in turn it can shorten the cultivation cycle. The objectives of the study were to analyze effects and optimum dosages of lysine addition in the feed on feed efficiency utilization, growth and survival rate of vaname shrimp (L. vannamei). The study used shrimp juveniles with the average size of 3±0,09 g/shrimp. Test feed in the study was a commercial feed in the form of pellets that was enriched with lysine (L-lysine HCl). The amount of lysine was appropriated to the treatment dosages, namelys 0%/kg feed (A); 0,75 %/kg feed (B); 1,5%/kg feed (C); 2,25%/kg feed (D) and 3%/kg feed (E). Feeding the shrimp was based on fixed feeding rate as much as 10% of biomass weight per day and given 4 (four) times a day. The results whow that the addition of lysine in the feed significantly (P<0,01) affected on the SGR, EPP, FCR, and PER; otherwise, it did not significantly affect on the survival rate of vaname shrimp. Meanwhile, the optimum dosages of lysine amino acids added into the feed were 2,33%, 2,39%, 2,37%, and 2,09% for SGR, EPP, FCR, and PER respectively. Those dosages resulted in the maxium values of 4,72%/day, 81,35%, 1,23, and 2,57 for SGR, EPP, FCR, and PER respectively. Penurunan biaya operasional pakan dalam siklus kegiatan budidaya udang vaname (Litopenaeus vannamei) dapat dilakukan dengan meningkatkan kualitas pakan komersial. Penambahan asam amino lisin pada pakan komersial dilakukan untuk meningkatkan kualitas pakan, dikarena lisin merupakan salah satu asam amino dapat mempercepat pertumbuhan sehingga memperpendek masa produksi kultivan yang dibudidayakan. Tujuan penelitian ini untuk mengkaji pengaruh dan dosis optimum penambahan lisin pada pakan komersil terhadap efisiensi pemanfaatan pakan, pertumbuhan, dan kelulushidupan udang vaname (L. vannamei). Penelitian ini menggunakan juvenile udang vaname berukuran 3±0,09 g/ekor. Pakan uji dalam penelitian ini adalah pakan komersil berbentuk pellet yang ditambahkan lisin (L-lysine HCl) sesuai dosis tiap perlakuan yaitu 0%/kg pakan (A); 0,75 %/kg pakan (B); 1,5%/kg pakan (C); 2,25%/kg pakan (D) dan 3%/kg pakan (E). Pakan uji diberikan dengan metode fix feeding rate sebanyak 10%/bobot biomassa/hari dan frekuensi pakan yang diberikan sebanyak 4 kali sehari. Hasil penelitian menunjukkan bahwa penambahan lisin pada pakan komersial berpengaruh sangat nyata (P<0,01) terhadap SGR, EPP, FCR, dan PER akan tetapi tidak berpengaruh nyata terhadap kelulushidupan udang vaneme. Dosis optimal asam amino lisin dalam pakan komersial udang vaname untuk SGR sebesar 2,33%, EPP sebesar 2,39%, FCR sebesar 2,37% dan PER sebesar 2,09% menghasilkan SGR maksimal sebesar 4,72%/hari, EPP maksimal sebesar 81,35%, FCR maksimal sebesar 1,23, dan PER maksimal sebesar 2,57.

Co-Authors - Sabrina Abdul Chalim, Abdul Abdul Wakhid, Da’i Muhammad Afidati, Lulu Agung Sudaryono Akhsanu Takwim, R.N. Alyosha Putra Pratama, Alyosha Putra Ananti Trisno Ambarwati Andi Kurniawan Anggi Restianti, Anggi Anis Idha Asyhariyati Ariani Ariani Astuti, Fina Andika Frida Ayu Istiana Fiat Bintang Sadinar Candra Aulia Widyasunu Cut Qanita Hidayah Depri Irawati Desrina Desrina Desy Sumardiyani Dewajani, Heny Dewi Khodijah, Dewi Dewi Nurhayati Dewi Nurhayati Dicky Harwanto Dikamulyawati, Melldhias Fatmasari Dwi Chrisnandari, Rosita Ekasari, Silvia Rahmi Eko Nurcahya Dewi Eko Nurcahya Dewi Eko Nurcahya Dewi Eko Nurcahyo Dewi Faik Kurohman Fatchurochman, Vava Fauzi, Adnan Fransiska Fransiska Grace Marchelly Hutabarat Gradhika Chrisdiana, Gradhika Gusti Ladini Tanake Hadi Pranggono Haeruddin Haeruddin Haris Puspito Buwono Heryoso Heryoso Husna Dewi, Farihal Hutabarat, Yohannes Irfin, Zakijah Islamiyah, Dini Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samidjan Istiyanto Samijan Jati Winestri Johannes Hutabarat Justin Cullen Lailiyul Qomariyah Laksono Trisnantoro Ligar Novi Ayuniar, Ligar Novi Luthfi Adhi Virnanto, Luthfi Adhi Marjuki, Moch Mega Rahadiyani Mistiyah Mohammad Aditya Prawira Mohammad Kosim Mone, Otnial Anderias mufid mufid Muhamad Agus Mustofa, Arifin Nabilla, Cicik Berkah Noviantia, Fikrotun Tazkiyah Nugraha, Bayu Avrislistya Nur Taufiq Nurmaslakhah, Azis Panji Yusroni Anwar Pinandoyo Pinandoyo Pratama, Arsy Latif Prayitno Prayitno Puput Pujianti Putri Farah Kandida Putut Har Riyadi Reza Maulana Ricky Septian Rini, Endah Setyo Ristiawan Agung Nugroho Rizki Andika Putri Rochani Rochani Rosa Amalia Rucita Ramadhana Sagita, Fadil Samidjan, Istiyanto Sansistya Dita Novian Sarjito - Seda, Fransiskus Setiyani, Ana Rikha Seto Windarto Siswandoko, Ricky Dwi Siti Maryam Siti Zulaeha, Siti Sri Hastuti Sri Hastuti Sri Rulianah, Sri Subandiyono Subandiyono Suminto Suminto Suminto, - - Sutrisno Anggoro Suyono Suyono Thimotius Jasman, Thimotius Tita Elfitasari Titik Susilowati Totok Yudhiyanto Tri Ananda Tri Mulyadi Tristiana Yuniarti Tristiana Yuniarti Tristiana Yuniarti Vivi Endar Herawati Wahyu Nurhayati, Wahyu Wahyu Prasetyo Wibowo Wardhani, Ishana Sanjaya wee, Kok leong Wiguna, Ghani Bagas Windarto, Seto Wulandhari, Pramenthari Sisti Yulyanah, - - Yuwono Yuwono

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