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All Journal Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Omni-Akuatika Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Jurnal Kelautan dan Perikanan Terapan (JKPT) PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN

Sri Hastuti

Aquaculture Department, Faculty Of Fisheries And Marine Science, Universitas Diponegoro

Author-ID : 3642000

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Environmental Science Social Sciences

Published : 37 Documents Claim Missing Document

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PERFORMA BIOLOGIS TIRAM MUTIARA (Pinctada maxima) YANG DIBUDIDAYAKAN DENGAN KEPADATAN BERBEDA MENGGUNAKAN SISTIM LONGLINE (The Biological Performance Of Pearl Oysters (Pinctada Maxima) Which Are Cultured In Different Densities Uses A Longline System) Sri Hastuti Hastuti; Subandiyono Subandiyono; Seto Windarto; Ristiawan Agung Nugroho
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 15, No 1 (2019): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Kerang mutiara (Pinctada maxima) merupakan salah satu sumberdaya laut yang memiliki prospek untuk dikembangkan, bernilai ekonomis yaitu menghasilkan butiran mutiara yang bernilai jual tinggi. Budidaya tiram mutiara pada tahap pendederan merupakan salah satu rangkaian kegiatan dalam usaha produksi mutiara. Pada saat ini benih hasil pendederan banyak dibutuhkan perusahaan mutiara untuk meningkatkan target produksi mutiaranya. Rendahnya angka kelangsungan hidup tiram yang disebabkan oleh kepadatan tebar dalam satu pocket net merupakan permasalahan yang perlu dipecahkan. Penelitian ini bertujuan untuk memperoleh kepadatan optimum dalam pemeliharaan kerang mutiara. Penelitian dilakukan di perairan Sekotong, Lombok Barat. Penelitian ini dirancang dengan model rancangan acak lengkap (RAL). Variabel bebas yang diterapkan adalah kepadatan spat tiram mutiara (P. Maxima), yaitu 50, 100 dan 150 individu pocket-1. Hasil penelitian menunjukkan bahwa Kepadatan kerang mutiara (P. Maxima) dalam sistim pemeliharaan longline berpengaruh terhadap performa pertumbuhan dan kelangsungan hidup. Kepadatan optimum kerang mutiara dalam 1 pocket net berada pada kisaran 89 hingga 124 individu per pocket net. Pearl oyster (Pinctada maxima) is one of the marine resources that has the prospect of being developed, has high economic value, and produces pearls of pearls that have high selling value. Nursery pearl oysters is one of a series of activities in the business of pearl production. Harvest from the nursery are needed by pearl companies to increase their pearl production target at this time. The low survival rate of oysters caused by shell density in the longline nursery method is a problem that needs to be solved. This research was conducted with the aim to analyze optimum density in the cultivation of oysters. The research was conducted in Sekotong waters, West Lombok, Indonesia. This study was designed with a completely randomized design model (CRD). The independent variables applied were the density of pearl oyster spat (P. Maxima), namely 50, 100 and 150 individual pocket-1. The results showed that the density of pearl oysters (P. Maxima) in the longline system affected growth and survival performance. The optimum density of pearl oysters in 1 pocket net is in the range of 89 to 124 individuals pocket net-1. The maximum density that is still capable of supporting its life is 135 individuals pocket net-1

Production Performance of African Catfish (Clarias gariepinus, burch) were Rearing with Biofloc technology Sri Hastuti; Subandiyono Subandiyono
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

Exploratory research to measure biological variables consisting of feed intake, feed utilization efficiency, feed conversion ratio (FCR), growth and survival of fish was done in the field, in Comal, Pemalang . The aims of the research were to assess the performance of the production as well as to assess the dynamics of the water quality and feed utilization efiiensi catfish (Clarias gariepinus, Burch) cultivated with biofloc technology. The trial fish were reared in cement tanks at the density of 1,000 fish/m2. During maintenance periode, the fish were fed on the artificial diet containing protein of 30%, fat of 5%, fiber of 6%, mineral mix of 13%, and water of 13%. The trial feed was given by applying ad satiation methode. The data optain were analyzed descriptively, based on the tables, histograms, and charts provided. Water quality parameters were measured in every 2 weeks along the maintenance period. This study indicated that biofloc technology applied in the catfish (C. gariepinus) farming was able to increase the fish production, improve the feed utilization efficiency, and reduced feed conversion rate. This technology was also able to improve the water quality and increase the survivors of the trial fish. By Applying biofloc technology could support the catfish life until the density of 1,000 fish/m2. Keywords : catfish, biofloc, production, growth, feed, efficiency

PERFORMA PERTUMBUHAN IKAN LELE(Clarias gariepinus, Burchel) YANG DIBUDIDAYAKAN SECARA SUPERINTENSIF MELALUI APLIKASI SISTEM IMTA DENGAN CACING Tubifex DI BOYOLALI Growth Performances of Catfish (Clarias gariepinus, Burchel) cultivated superintensif through Application of IMTA with Tubifex worm System in Boyolali Sri Hastuti; Subandiyono Subandiyono; Sarjito Sarjito
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 1 (2016): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Usaha budidaya ikan di Boyolali mampu memberikan pendapatan dari usaha budidaya lele dengan hasil yang menjajikan. Usaha lele tersebut mampu memberikan kontribusi terhadap pendapatan rumah tangga sebesar 54% hingga 100%. Nilai R/C rasio lebih besar 1, yang berarti bahwa usaha tani budidaya ikan lele tersebut efisien dan layak untuk dikembangkan. Ketenaran Kabupaten Boyolali akan hasil budidaya ikan lele yang menjajikan secara ekonomi telah memacu penduduknya untuk memproduksi ikan lele.Hasil produksi ikan lele di Boyolali secara nyata dipengaruhin oleh variabel luas lahan dan variabel benih lele.Oleh karena itu, keterbatasan lahan yang dimiliki oleh para usahatani Sumber Rejeki tersebut menjadi permasalahan yang perlu dipecahkan.Untuk memaksimumkan produksi lele dengan lahan terbatas tersebut dapat dilakukan dengan teknologi IMTA (Integrated Multi TrophicAquaculture). Teknologi ini menggabung ikan lele dengan cacing tubifec, sehingga akan menghasilkan ikan lele dan tubifek.Namun kegiatan budidaya sistem IMTA yang menggabungkan antara ikan lele dengan cacing Tubifek masih tergolong belum pernah dilakuakan oleh para petani.Sistem IMTA ini memiliki beberapa kelebihan, yaitu (1) meningkatkan efisiensi input dan output yang menghasilkan kenaikan nilai ekonomis, karena dihasilkan ikan lele dan cacing tubifek. (2) memperbaiki atau meminimalisir limbah buangan kegiatan budidaya ikan, (3) meningkatkan kemanfaatan limbah kegiatan budidaya ikan yang potensial sebagai pupuk organik untuk proses produksi Tubifec. Benih lele berukuran bobot 1,5±0,1 g dipelihara dengan kepadatan 500 ekor per meter persegi. Selama pemeliharaan 3 bulan, ikan diberi pakan pelet komersial untuk lele secara ad satiationdengan frekwensi dua kali sehari. Pada bagian atas kolam dilengkapi dengan talang bertingkat sebagai tempat pemeliharaan tubifec. Air dari kolam dipompa ke atas talang atau wadah cacing tubifec. Hasil pemeliharan diperoleh ikan lele dengan pertumbuhan relatif sebesar 72,96 g% perhari dan angka kelngsungan hidup mencapai 96,66% dan nilai FCR sebesar 1. Selama satu bulan, Tubifec mengalami pertumbuhan sebesar 66,66% Fish farming in Boyolali are able to provide income from catfish culture with promising results. The catfish effort to contribute to the household income by 54% to 100%. Rated R / C ratio is greater than 1, which means that the catfish farming are efficient and feasible to develop. The Boyolali was known as location of catfish production and that will be farmed economically promising has spurred citizens to produce catfish. The production of catfish in Boyolali significantly was affectedby land area and seed catfishvariable. Therefore, the limited land owned by the farmers “Sumber Rejeki” isa problem that needs to be solved. To maximize the production of catfish with limited space can be done throughIMTAtechnology (Integrated Multi TrophicAquaculture). This technology merge catfish with tubifex worms, so it will produce catfish and tubifex. However, farming activities with IMTA system that combines catfish with worms tubifex still relatively rare by farmers. IMTA system has several advantages, (1) improve the efficiency of inputs and outputs that result in increased economic value, as produced catfish and worm tubifex. (2) correct or minimize waste from fish farming activities, (3) increase the utilization of the fish farming waste as an organic fertilizer for the tubifex production process. Sized catfish seed weight of 1.5±0.1 g maintained at densities of 500 individuals per square meter. During the three-month rearing time, fish fed a commercial pellet for catfish ad satiation with a frequency of twice a day.At the top of the catfish pondwas put the equipment with arranged adouble level drine pipe as a tubifec pond culture. The water from the catfish pond is pumped to the top drine pipe or worm tubifecrearing tank. Results of the catfish farming wtih IMTA system were relative growth rate of catfish i.e. 72.96 g% daily and survival rate reached 96.66% and FCR value is 1. During one month, tubifex grow were66.66%

Hematological Performances of Catfish ‘SANGKURIANG’ (Clarias gariepinus, Burch.) Fed on Deits Containing Organic Chromium Sri Hastuti; Subandiyono Subandiyono
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 7, No 1 (2011): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

A research on hematological performances and body immunity of catfish ‘sangkuriang’ (Clarias gariepinus, Burch.) fed on diets containing different levels of organic chromium was conducted. Three thousands of experimental fishes with their body weight varied from 6 to 7 grams were reared for 40 days in (2x1x1)-m3 of plastic-lining wooden tanks. The stocking density used was 200 fishes per tank. The tanks, with a total number of 15 tanks, were connected to each others and to a filtration concrete pond of (5x1x1) m3 to become a semi-closed water system. The filtered water was pumped up to an every single tank through 1”-PVC pipe as an inlet. The pipe of each tank was facilitated by a tap to enable controlling its water flow. During the fish rearing period, a daily siphon was done to clean the fish fesses out from the system. Diets containing 5 different levels of organic chromium, i.e. 0, 1.5, 3.0, 4.5, and 6.0 ppm of Cr+3, were fed to the experimental fish thirth a day at satiation. Each unit of treatment was replicated 3 times. At the end of rearing period, variables i.e. leucocytes, erythrocytes, hemoglobin, and blood glucose levels at fasting state were measured for the each treatment. Results showed that the fish fed on dietary organic chromium tended to improve its body immunity and decrease its total account of leucocytes and its blood glucose level. Bloods of the fish with dietary organic chromium also tended to contain lower erythrocytes, hemoglobin, hematocryte, and thrombocytes levels than those of the control (i.e. the fish fed on a diet without organic chromium). The fish which consumed a diet containing 1.5 ppm of Cr+3 showed better hematological performances. Keywords: Hematology, Immunity, Blood glucose, Chromium, Catfish, Sangkuriang, Clarias

KONDISI KESEHATAN IKAN LELE DUMBO (Clarias gariepinus, Burch) YANG DIPELIHARA DENGAN TEKNOLOGI BIOFLOC (Health conditions of catfish (Clarias gariepinus, burch) were rearing with biofloc technology) Sri Hastuti; Subandiyono Subandiyono
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 10, No 2 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

ABSTRAK Penelitian ini difokuskan untuk memperoleh gambaran performa kimiawi darah, enzim anonitransferase (GPT dan GOT) serum dan kondisi kesehatan ikan lele yang dipelihara dengan kepadatan sangat tinggi dengan menerapkan teknolobi biofloc. Tujuan jangka panjang dari penelitian ini adalah sebagai dasar untuk antisipasi penerapan teknologi budidaya ikan lele yang ramah lingkungan dan berkelanjutan. Penelitian dilakukan dengan mengambil ikan lele contoh dari lapangan, yaitu di daerah Comal, Pemalang yang dibudidayakan dengan teknologi biofloc. Paramater kesehatan ikan diukur melalui hematologi serta performa kimiawi darah. Variabel yang diukur meliputi kadar bilirubin total, bilirubin direk dan bilirubin indirek, GPT dan GOT dalam serum darah, serta Konsentrasi berbagai sel dalam darah Ikan. Kondisi kualitas air diukur secara rutin setiap dua minggu. Data yang terdiri dari bilirubin, GPT, GOT, konsentrasi sel dalam darah ikan lele serta kualitas air media pemeliharaan dianalisis secara diskriptif. Hasil penelitian menunjukkan konsentrasi enzim aminotranserase dalam serum darah mengalami kenaikan selama masaa pemeliharaan yaitu 200±5 hingga 232,3±2,5/Ul (SGOT) dan 105,3±1,5 hingga 107,7±2,5/Ul (SGPT). Konsentrasi leukosit, eritrosit, hemoglobin, hematokrit, dan trombosit pada minggu ke 6 masing-masing sebesar 206,3±2,9 ribu sel/µl; 1,7±0,1 juta sel/µl; 6,6±0,3 g/dl; 26,2±0,2% dan 1,1±0,1 ribu sel/µl. Pada akhir pemeliharaan nilai leukosit, eritrosit, hemoglobin, hematokrit, dan trombosit mengalami perubahan menjadi 175±5,0 ribu sel/µl, 1,6±0,2 juta sel/µl, 6,4±0,4 g/dl, 21,7±1,5% dan 9,3±0,6 ribu sel/µl. Nilai bilirubin total, bilirubin direk dan bilirubin indirek masing-masing pada kisaran 0,4±0,1 hingga 175±5,0 mg/dl, 0,2±0,1 hingga 0,5±0,1 mg/dl dan 0,2±0,1 hingga 0,4±0,2 mg/dl. Gukosa darah sebesar 154,3±5,1 hingga 188,0±2,6 mg/dl. Dari parameter hematologis dan kimiawi darah tersebut ikan lele dumbo yang dipelihara dengan kepadatan 1.000 ekor/m2 dan teknologi biofloc memiliki kondisi kesehatan yang baik yang dapat dilihat dari angka kelangsungan hidup mencapai 95,70±3,27%. Sel hati ikan mengalami kerusakan. Kata kunci : serum aminotransaminase, bilirubin, sel darah, lele, teknologi biofloc This study was focused to obtain of the performance of blood chemistry , enzyme anonitransferase ( GPT and GOT ) in serum and catfish health conditions were rearing with very high densities by applying biofloc teknology . The goal in the long term of this research was the basic information for the application of biofloc technologies in catfish farming that are environmentally friendly and sustainable. The study was conducted by taking a sample of catfish from the field , in Comal area, Pemalang. Catfish (Clarias gariepinus, burch) were rearing with biofloc technology . Fish health parameters measured by the performance of hematology and blood chemistry. The variables measured include total bilirubin , direct bilirubin and indirect bilirubin , GPT and GOT in the blood serum , as well as a variety of cells in the blood of fish. Water quality conditions measured regularly every two weeks . The data consists of bilirubin , GPT , GOT , the concentration of blood cells in the catfish and water quality were analyzed descriptively . The results showed aminotranserase enzyme concentration in blood serum increased from 200±5 to 232,3±2,5/Ul ( SGOT ) and 105,3±1,5 to 107,7±2,5/Ul (SGPT). The concentration of leukocytes , erythrocytes , hemoglobin , hematocrit , and platelet count at week 6 respectively 206.3±2.9 (x103) cells/µl; 1,7±0,1 (x106) cells/µl; 6,6±0,3 g/dl; 26,2±0,2% and 1,1±0,1 (x103) cell/µl. At the end of the rearing, number of leukocytes, erythrocytes, hemoglobin, hematocrit, and platelet count changed to 175±5,0 (x103)cells/µl, 1,6±0,2 (x106) cells/µl, 6,4±0,4 g/dl, 21,7±1,5% and 9,3±0,6 (x103) cells/µl. Value of total bilirubin , direct bilirubin and indirect bilirubin, respectively in the range of 0,4±0,1 to 175±5,0 mg/dl, 0,2±0,1 to 0,5±0,1 mg/dl and 0,2±0,1 to 0,4±0,2 mg/dl. Blood gluucose level were 154,3±5,1 to 188,0±2,6 mg/dl. The haematological and blood chemistry parameters of the African catfish were rearing at density of 1.000 individuals/m2 and appliede biofloc technology have good health condition that can be seen from the survival rate reached 95,70±3,27%. Fish liver cell was damage. Keywords : serum aminotransaminase, bilirubin, blood cell, catfish, biofloc teknology

Hematological performances of African catfish (Clarias gariepinus) and media water qualities in culture system with bio-filtration pond Sri Hastuti; Subandiyono Subandiyono
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 6, No 2 (2011): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

The aim of This study was to determine the effect of application biofiltration pond on water quality media and fish hematological performance consisting of erythrocytes, leukocytes, hemoglobin, hematocrit and platelets. Two treatments, namely water management systems with and without applied biofiltration pond to the catfish rearing system in the village of Beji, District East Ungaran. Dumbo Catfish Seed 8-10 cm in size were reared on the pond with a density 200 fish/m2. During the rearing of fish fed with pellets by the method of ad satiation, twice a day at noon and at night. Rearing the fish was done until size of consumption. At the end of the rearing carried out measurements of water quality conditions of temperature, pH, dissolved oxygen, carbon dioxide and ammonia, as well as hematological performance consisting of erythrocytes, leukocytes, hematocrit, hemoglobin, hematocrit and platelets. Data were analyzed descriptively. The results showed changes in leukocyte count from 107.57 thousand cells / ul to 92.3 thousand cells / ul. Platelets 42 000 cells / ul to 6000 cells / ul, while the erythrocytes and hematocrit values, each for 1.72 to 1.74 million cells / ul and 7.8 to 9.73 thousand cells / ul, water quality media were improvement, especially on the total ammonia content of 0.92 ppm to 0.14 ppm and dissolved oxygen is 0.08 ppm to 0.5 ppm. From the data can conclude that applied biofiltration pond on catfish farming systems can improve water quality media that support life and growth of fish. Keywords: African catfish, biofiltration pond , hematological performance, water quality managementhttp://ejournal.undip.ac.id/index.php/saintek/article/view/2067

PENGARUH SILASE CACING TANAH (Lumbricus sp.) SEBAGAI SUBSTITUSI TEPUNG IKAN DALAM PAKAN BUATAN TERHADAP PEMANFAATAN PAKAN DAN PERTUMBUHAN IKAN BAWAL AIR TAWAR (Colossoma macropomum) Siti Maryam; Sri Hastuti; Diana Rachmawati
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 1 (2019): SAT edisi Maret
Publisher : Departemen Akuakultur FPIK UNDIP

Pertumbuhan ikan bawal meningkat jika kandungan protein sesuai dengan kebutuhan dan mempunyai profil asam amino hampir mirip dengan tubuh ikan. Harga pakan terus meningkat tanpa diiringi dengan kenaikan harga ikan. Hal tersebut menjadikan pengusaha budidaya perikanan terus berinovasi mencari alternatif bahan lokal. Salah satu alternatif yang digunakan yaitu silase cacing tanah. Penelitian ini bertujuan untuk mengkaji pengaruh silase cacing tanah (Lumbricus sp.) sebagai substitusi tepung ikan dalam pakan buatan terhadap pemanfaatan pakan dan pertumbuhan ikan bawal tawar serta menentukan komposisi terbaik silase cacing tanah (Lumbricus sp.) sebagai substitusi tepung ikan dalam pakan buatan. Ikan uji yang digunakan yaitu benih ikan bawal tawar dengan bobot tubuh rata-rata 2,98±0,01 g/ekor, dipelihara selama 35 hari, padat tebar 1 ekor/L. Pakan yang digunakan berbentuk pellet dengan protein 31% diberikan secara at satiation dua kali sehari. Eksperimen menggunkan rancangan acak lengkap (RAL) 4 perlakuan dan 3 ulangan, substitusi silase cacing tanah yang digunakan yaitu perlakuan A (0%), B (25%), C (50%) dan D (75%). Variabel yang diamati meliputi total konsumsi pakan (TKP), efisiensi pemanfaatan pakan (EPP), rasio konversi pakan (FCR), protein efisiensi rasio (PER), laju pertumbuhan relatif (RGR) dan kelulushidupan. Hasil penelitian menunjukkan bahwa silase cacing tanah sebagai substitusi tepung ikan memberikan pengaruh nyata (P<0,05) terhadap TKP, EPP, FCR, PER dan RGR, namun tidak berpengaruh nyata (P>0,05) terhadap kelulushidupan. Komposisi terbaik silase cacing tanah sebagai substitusi tepung ikan yaitu perlakuan C 50% tepung ikan dan 50 % silase cacing tanah memberikan nilai TKP 145,13±2,90 g, EPP 75,11±3,36%, FCR 1,33±0,06, PER 2,36±0,11%, RGR 5,22±0,36%/hari dan kelulushidupan 90,00±5,00%.

PENGARUH PEMBERIAN TEPUNG CACING TANAH (Lumbricus sp.) SEBAGAI ATRAKTAN DALAM PAKAN TERHADAP TINGKAT KONSUMSI PAKAN, EFISIENSI PAKAN DAN PERTUMBUHAN IKAN PATIN (Pangasius sp.) Rizkiana Amalia; Sri Hastuti; Agung Sudaryono
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 1 (2019): SAT edisi Maret
Publisher : Departemen Akuakultur FPIK UNDIP

Catfish (Pangasius sp.) is a dominant consumption fish and it is targeted that production will be increase every year. Catfish have a low feed efficiency value which is causes the growth of catfish to be less optimal, so it is necessary to add ingredient into the diets so that the fish are interested in eating the diets given. The use of earthworm meal as an attractant was expected to increase of feed consumption, feed efficiency and growth of catfish. This experiment aimed to study the effect of dietary earthworm meal as an attractant on feed consumption level, feed efficiency and growth of catfish (Pangasius sp.). The catfish used with an initial average body weight of 6,78±0,68 g/fish. The fishes were cultured in the aquarium for 42 days with the stocking dencity of 1 fish/2L. The experimental method used was completely randomize design (RCD) with 4 treatments and 3 replicates. The treatments were addition of earthworm meal (Lumbricus sp.) as an attractant with a dose of 0%, 5%, 10% and 15% in the diets. The data showed that the use of earthworm meal (Lumbricus sp.) inclusion in the diets resulted in significant effects (P <0,05) on feed consumption (159,73 g), FE (81.06%), PER (2,31%), G (9,76 g) and SGR (1,97%/day) but not significant effect (P>0,05) on survival rate (84.44-93,33%). The best food preference test in treatment C dose 10% of earthworm meal with percentage 44% fish approaching diets. The water quality parameters during this study varied between suitable range for the catfish (Pangasius sp.) life, i.e temperatures 27,70-30,900C; pH 7,00; DO 5,37-5,52 mg/L and NH3 0,0036-0,0095 mg/L. It was concluded that catfish (Pangasius sp.) fed with the diet containing 10% attractants of earthworm meal resulted in better feed consumption, feed efficiency and growth.

PENGARUH KEPADATAN YANG BERBEDA TERHADAP EFISIENSI PEMANFAATAN PAKAN, PERTUMBUHAN DAN KELULUSHIDUPAN IKAN TAWES (Puntius javanicus) PADA SISTEM RESIRKULASI Kesuma Putri Utami; Sri Hastuti; Ristiawan Agung Nugroho
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 2, No 2 (2018): SAT edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/sat.v2i2.3140

Produksi ikan tawes mengalami peningkatan setiap tahunnya total produksi tahun 2015 yaitu 14,048 ton dan tahun 2016 sebesar 44,210 ton. Peningkatkan produksi dapat dilakukan dengan meningkatkan padat tebar. Padat penebaran merupakan satu diantara aspek budidaya yang perlu diketahui karena menentukan laju pertumbuhan, rasio konversi pakan dan kelangsungan. Pemanfaatan sistem resirkulasi pada budidaya intensif menjadi penting untuk menjaga kualitas air. Penelitian ini bertujuan untuk mengetahui pengaruh kepadatan yang terbaik terhadap efisiensi pemanfaatan pakan, pertumbuhan dan kelulushidupan ikan tawes. Penelitian dilaksanakan di Balai Benih Ikan Kebowan, Semarang pada bulan April-Mei 2018. Ikan uji yang digunakan adalah ikan tawes dengan panjang rata-rata 3,08±0,13 cm dan bobot rata-rata 1,65±0,22 g/ekor. Pakan yang digunakan adalah pakan komersil dengan kandungan protein 39 – 40 %. Pemberian pakan dilakukan pada pukul 07.00, 12.00 dan 17.00 WIB secara at satiation. Penelitian ini menggunakan metode eksperimen dengan rancangan acak lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan. Perlakuan A (27 ekor/ 100 l), perlakuan B (54 ekor/ 100 l), perlakuan C (81 ekor/ 100 l) dan perlakuan D (108 ekor/ 100 l). Hasil penelitian menunjukkan bahwa padat tebar yang berbeda memberikan pengaruh nyata (P<0,05) terhadap konsumsi pakan individu, SGR, pertumbuhan panjang relatif, SGR dan SR dan tidak berpengaruh nyata (P>0,05) terhadap FCR. Perlakuan terbaik dalam penelitian ini adalah A dengan nilai TKP 10,37±0,46 g/ind, FCR 1,77±0,04 %, Pertumbuhan Panjang Relatif 1,48±0,02 %/hari, SGR 9,08±0,57 %/hari, SGR 3,74±0,12 %/hari, SR 93,83±2,14 % dan Glukosa Darah 67,33±3,06 mg/dl. Kualitas air selama pemeliharaan masih dalam kisaran yang layak untuk budidaya ikan tawes. Peningkatan padat tebar dapat menurunkan pertumbuhan ikan tawes dan kadar glukosa darah ikan meningkat.

The Growth Performance of Larasati tilapia (Oreochromis niloticus Linnaeus, 1758) Farming Using Bioflocs Technology Fajar Basuki; Sri Hastuti; Subandiyono Subandiyono; Wartono Hadie
Journal Omni-Akuatika Vol 13, No 2 (2017): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

This research was aimed to discover the growth of converted Larasati tilapia (Oreochromis niloticus Linnaeus, 1758) using bioflocs system on its farming, the dynamics of its water quality, and the fish health condition. Bioflocs is the utilization of floc-forming bacteria (flocs forming bacteria) for sewage treatment. Waste mentioned in fish farming is particularly faeces and feed residue. This research took place at Laboratory of Aquaculture, Fisheries Department, Faculty of Fisheries and Marine Science of Diponegoro University. It started from May 2013 to August 2013. The design of the research was exploratory. The data of Larasati tilapia are from Janti, weighted 93.32 g or 200 fish per m3. The fiber tank with 2 m3 capacity is prepared for the bioflocs technique. The result shows that the growth of Larasati tilapia with bioflocs system on its farming is better than with the conventional system. The survival rate SR reaches 90 % and food corvertion ratio FRC reaches 0.82. The water quality shows that there is oxygen dynamics around 4 mg · L–1 to 5 mg · L–1 and Amonia around 0.01 mg · L–1 to 0.015 mg · L–1. Based on the cell concentration and the blood chemistry, it can be concluded that the L. tilapia with bioflocs system on its farming is healthy.

Co-Authors . Subandiyono .Subandiyono Subandiyono Agung Sudaryono Alfianti Triwardani Ana Rosyida Anis Marfuah Ardiansah Khoirur Rahman Ariska Nur Oktavia Beucita Juvenillania Puteri Cut Qanita Hidayah Dara Ayu Shabrina Dewi Nurhayati Dewi Nurhayati Dewi Nurhayati Diana Chilmawati Diana Rachmawati Dicky Harwanto Fajar Basuki Fajar Basuki Fajar Basuki Fitriyatus Shoimah Istiyanto Samidjan Istiyanto Samidjan Kesuma Putri Utami Krisna Pasaribu Marelin Kusumastuti Muhammad Reyza Dwi Satria Muhammad Zufar Erlangga Pinandoyo Pinandoyo Rimadani Eka Mareta Ristiawan Agung Nugroho Ristiawan Agung Nugroho Ristiawan Agung Nugroho Rizkiana Amalia Rosa Amalia Sandhika Yoga Virgiawan Sarah Sekar Komalasari Sarjito - Septi Nurkholifah Seto Windarto Siti Afia Dwiastuti Siti Afia Dwiastuti Siti Maryam Siti Qotijah Slamet Budi Prayitno Slamet Budi Prayitno Subandiyono Subandiyono Subandiyono Subandiyono Subandiyono Subandiyono Subandiyono Subandiyono Subandiyono Subandiyono Sulasi Sulasi Titik Susilowati Tristiana Yuniarti Tristiana Yuniarti Tristiana Yuniarti Tyas Hertanti Vania Trisnasari Voni Lidya Adiningrum Wartono Hadie Wildah Faizati Yusrotul Rusda

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