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Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology
Published by Universitas Diponegoro
ISSN : 18584748     EISSN : 25490885     DOI : -
Core Subject : Education,
Education
SAINTEK PERIKANAN (p-ISSN: 1858-4748 dan e-ISSN: 2549-0885) adalah jurnal ilmiah perikanan yang diterbitkan oleh Jurusan Perikanan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro. Jurnal ini diterbitkan 2 (dua) kali setahun (Februari dan Agustus).
Arjuna Subject : -
Articles 491 Documents
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PENENTUAN UMUR SIMPAN (SHELF LIFE) PUNDANG SELUANG (Rasbora sp) YANG DIKEMAS MENGGUNAKAN KEMASAN VAKUM DAN TANPA VAKUM (Determination of Pundang Seluang (Rasbora sp) Shelf Life which Packed using Vacuum and Non Vacuum Packaging) Helmi Harris; M. Fadli
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 9, No 2 (2014): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (233.356 KB) | DOI: 10.14710/ijfst.9.2.53-62

Abstract

Umur simpan (shelf life) produk pangan merupakan salah satu informasi yang sangat penting bagi konsumen. Pencantuman informasi umur simpan menjadi sangat penting karena terkait dengan keamanan produk pangan dan untuk memberikan jaminan mutu pada saat produk sampai ke tangan konsumen. Penelitian ini bertujuan untuk menentukan umur simpan (shelf life) Pundang seluang yang dikemas menggunakan kemasan vakum dan tanpa vakum  dengan Metode Simulasi Model Plotting untuk menentukan laju penurunan mutu. Umur simpan yang diperoleh dapat dicantumkan pada desain kemasan Pundang seluang. Penentuan umur simpan (shelf Life) Pundang Seluang ini dilaksanakan dalam dua tahap. Tahap pertama merupakan penelitian pendahuluan untuk mengetahui titik kritis mutu dominan Pundang seluang (uji kadar air dan kadar Thio Barbituric Acid). Tahap kedua yaitu Penelitian utama merupakan tahap perhitungan nilai parameter umur simpan Pundang seluang. Penelitian Utama menggunakan Rancangan Acak Kelompok (RAK) yang disusun secara faktorial. Faktor Pertama adalah cara pengemasan (V) yang terdiri dari 2 taraf perlakuan yaitu : V1 : kemasan vakum V2 : kemasan tanpa vakum. Faktor kedua adalah variasi suhu (T) yang terdiri dari 3 taraf perlakuan yaitu T1 : Suhu (20 0C), T2 : Suhu Ruang Harian (30 0C), T3 : Suhu (40 0C). Hasil penelitian menunjukkan bahwa berdasarkan pengamatan secara visual (uji sensoris) terhadap Pundang seluang selama 36 hari pengamatan pada suhu ruang 30 0C mulai terjadi kerusakan pada pengamatan hari ke-33. Model matematik laju peningkatan kadar air pada kemasan tanpa vakum adalah k= 0,5781.e1,459 (1/T) dengan laju penurunan mutu k= 0.058% per hari dengan umur simpan selama 88.28 hari atau 2.942 bulan. Sedangkan model matematik laju peningkatan kadar air dengan kemasan vakum adalah k= 0.4529.e0.322 (1/T) dengan laju penurunan mutu k= 0.045% per hari, dengan umur simpan selama 113.78 hari atau 3.792 bulan. Masa simpan Pundang seluang yang dikemas vakum (113.78 hari) > kemasan tanpa vakum (88.28 hari) > tanpa kemasan (33.0 hari). Kata kunci : Umursimpan, pundang seluang, kemasan vakum, kemasan tanpa vakum, metode simulasi model plotting, mutu dominan. Shelf life of food products is one of the most important information for consumers. Food products shelf life information is very important because associated with the safety of food products and to provide quality assurance the product reaches the consumer. The objective of this research is to determine the shelf life of Pundang Seluang which packed using vacuum and non vacuum packaging by Plotting Model Simulation Method for determination the rate of quality decreasing. The shelf life information which obtained could included on Pundang seluang packaging design. This research is conducted in two stages. The first stage was a preliminary research to find out the critical point of dominant quality of Pundang seluang (water contain and TBA contain tests). The second stage is the main research which was the calculation stage of parameter value of shelf life of Pundang seluang. Preliminary research using Factorial Completely Randomized Block Design. First factor is the packaging method (V) which consists of two levels namely V1: vacuum packaging and V2 : non vacuum packaging.  The second factor is the variation of temperature (T) which consists of 3 levels namely T1: 20 0C, T2: Daily room temperature (300C), T3: 40 0C.The research shows that based on visual observation (sensory test) of Pundang seluang for 36 days at room temperature 30 0C, Pundang seluang has shown the deterioration less than 33 days of storage time. The rate of increasing of water content with non vacuum packaging based on determination the shelf life with acceleleration method which obtained from mathematical model calculation  k =  is 0.058% per day, with shelf life of 2.942 months. The rate of increasing of water content with vacuum packaging based on determination the shelf life with acceleleration method which obtained from mathematical model calculation  k = is 0.045% per day, with shelf life of 3.792 months. Shelf life of Pundang seluang if using vacuum packaging (113.78 days) > non vacuum packaging (88.28 days) > without packaging (33.0 days). Key words: Shelf life, Pundang seluang, Vacuum packaging, Non vacuum packaging, Plotting Model Simulation Method, dominant quality
The Used of Different Culture Medium Effect on The Growth Of Chlorella Sp Diana Chilmawati
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 6, No 1 (2010): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (163.298 KB) | DOI: 10.14710/ijfst.6.1.71-78

Abstract

The effort of aquaculture especially in the brackish and marine water becomes more develope,. That development cannot be separated from seeding phase. To sufficient the needed of seed, it is needed seed aquaculture by giving sufficient and quality life food, because it cannot be replace yet by the imitation food on the early of larvae seedling. One of the life food is Chlorella sp that given to zooplankton variety directly to the fish or shrimp cultivan. Therefore the Walne, Guillard’s f/2, and Erdschreiber culture mediums are suitabel medium used to phytoplankton culture.  The purpose of this research is to know the influence of medium of usage of Walne, Guillard’s f/2, and Erdschreiber on the growth of Chlorella. Also to know the best medium from those three medium on the growth of Chlorella sp the research was Laboratories experimental character. The effort scheme used is completely randomized design 3 treatments and 3 times repetitions,  Those 3 treatments are as follows: A. Walne Medium, B. Guillard’s f/2 Medium, and C. Erdschreiber Medium. The result of the research shows that the used of different culture medium effect on the growth of Chlorella sp, that is significant difference (P<0,05) on the Lag Phase time with best treatment B (0,290 days), great significant difference (P<0,01) on the specific growth rate with best treatment B (0.655). Thus on the maximum density and final density (on Log No. sel/mL) is great significant differences with best treatment B (Guillard’s f/2) each are 7.931 and 6.443. The best medium for Chlorella sp. from those three mediums used in this research is Guillard’s f/2 medium.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Key Words : medium, culture, growth, Chlorella sp
ANALISIS EKONOMI ALAT TANGKAP FYKE NET MODIFIKASI (STUDI KASUS DI PERAIRAN REMBANG, JAWA TENGAH) Economic Analysis Fyke Net Modification (Case Study in Rembang Waters, Central Java) Aristi Dian Purnama Fitri; Asriyanto Asriyanto; Pramonowibowo Pramonowibowo
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 11, No 1 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3129.127 KB) | DOI: 10.14710/ijfst.11.1.1-6

Abstract

ABSTRAK Fyke net merupakan alat penangkapan statis yang dioperasikan di sekitar pantai. Modifikasi Fyke net dengan sudut kemiringan sayap 45 derajat dan penambahan penaju, bertujuan untuk meningkatkan efektivitas penangkapan. Tujuan dilaksanakannya penelitian adalah untuk menganalisis perbedaan hasil tangkapan, menganalisis aspek ekonomi (Pendapatan, Biaya, Keuntungan dan R/C  Ratio) dari modifikasi Fyke net. Metode yang digunakan dalam penelitian ini adalah metode experimental fishing. Metode analisis yang digunakan adalah analisis Anova dan analisis ekonomi. Dari hasil penelitian diketahui bahwa hasil tangkapan usaha penangkapan modifikasi Fyke net berpenaju lebih besar (10.122 kg)  dibandingkan dengan hasil tangkapan Fyke net kontrol (2.560 kg) dan modifikasi Fyke net dengan sudut kemiringan sayap 75 derajat (1.735 kg). Nilai pendapatan modifikasi Fyke net berpenaju lebih banyak dibandingkan pendapatan dari Fyke net (kontrol) dan modifikasi Fyke net tanpa penaju. Nilai R/C ratio dari kedua jenis modifikasi alat tersebut lebih dari 1 sehingga efisien untuk terus dijalankan.   Kata kunci : Analisis ekonomi; Modifikasi Fyke net; Perairan Rembang   ABSTRACT  Fyke net is static fishing gear which is operated around the coastal area. Modifications Fyke net with a slope angle of 45 degrees and additional wings and leader, aims to improve the effectiveness of the arrest. The objective of the study was to analyze differences in the catch, analyze the economic aspects (Revenues, Expenses, Gains and R/C Ratio) of modification Fyke net. The method used in this study is the experimental fishing. The analytical method used was ANOVA analysis and economic analysis. The survey results revealed that the catches of fishing effort modifications leader greater Fyke net (10122 kg) compared to control catches Fyke net (2560 kg) and modified Fyke net with wing tilt angle of 75 degrees (1735 kg). Fyke net income value modification leader more than Fyke net income of (control) and modifications without leader. R/C ratio of the two types of modification of the tool more than score 1 (one) so efficiently to continue to run.  Keywords : Economic analysis, Fyke net modification, Rembang water 
The Effect of Leaching Times on the Gel Properties of Catfish (Clarias gariepinus) Surimi Wijayanti, Ima; Santoso, Joko; Jacoeb, Agus M.
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 8, No 1 (2012): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (121.858 KB) | DOI: 10.14710/ijfst.8.1.32-37

Abstract

The effect of leaching times on the proximate composition and gel properties of surimi has been studied in this research. Leaching times significantly influenced the chemical composition of catfish surimi. The raise of leaching times increased the water content and decreased protein, fat and minerals composition of catfish surimi. Water holding capacity value of surimi gel by leaching 3 times increased 29.78% compared to leaching one time. Deformation increased with the rising of leaching times. The highest deformation was  reached by leaching 4 times with raising 74.27% compared to leaching one time. Result of sensory evaluation indicated that the rising of leaching times had positive impact in folding test and teeth cutting test. Three  and four times of leaching produced better characteristics of the gel rather than leaching 1 and 2 times. Keywords: cat fish, gel properties, leaching times, surimi
DAMPAK IMPLEMENTASI PERMEN KP No. 1 TAHUN 2015 TERHADAP KONDISI SOSIAL EKONOMI NELAYAN DI JAWA TENGAH Impacts of Implementation PERMEN KP No. 1 Tahun 2015 to Social Economic Fisher Condition in Central Java Imam Triarso; Bambang Argo Wibowo
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 1 (2016): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5430.195 KB) | DOI: 10.14710/ijfst.12.1.60-66

Abstract

 Diberlakukannya Permen KP No. 1 Tahun 2015 tentang Penangkapan Lobster (Panulirus spp),  Kepiting (Scylla spp) dan Rajungan (Portunus pelagicus) dengan tujuan untuk mengelola potensi sumberdaya Crustacea, disebabkan adanya fenomena semakin turunnya produksi Crustacea dan semakin kecilnya ukuran yang ditangkap. Tujuan penelitian ini adalah  untuk mengetahui dampak implementasi Permen KP No. 1/2015 tersebut terhadap kondisi sosial ekonomi nelayan di sentra penangkapan Lobster di Kabupaten Kebumen dan sentra penangkapan Rajungan di Kabupaten Demak dengan menggunakan metoda skoring. Hasil penelitian menunjukkan bahwa implementasi Permen KP No. 1/2015 ternyata berdampak positif terhadap nelayan Lobster di Kabupaten Kebumen dilihat dari segi nilai ekonomi nilai sosial. Namun, berbeda halnya dengan nelayan Rajungan di Kabupaten Demak, dimana kurang berdampak positif, baik nilai ekonomi maupun nilai sosial. Kondisi yang terjadi di Kabupaten Demak tersebut dikarenakan oleh ulah para bakul pengumpul/pengepul yang masih tetap membeli Rajungan, meskipun kondisinya bertelur dan ukurannya kecil. Selain itu, tidak diimbanginya pengawasan atau tindakan hukum bagi para pelanggar Permen KP No. 1/2015 tersebut sehingga telah menimbulkan adanya kecemburuan sosial antar nelayan setempat dan luar daerah.  The implementation of the PERMEN KP No. 1 Tahun 2015 with the aim to review manage resource potential Crustaceans, due to the phenomenon of the decline in production Crustaceans and captured the increasingly smaller sizes. Research objectives to know impact of  implementation Permen KP No. 1/2015 to Socio-Economic Fisher Conditions in Central of Java, especially at the center catching Lobster fishers in Kebumen District and center catching Crab in Demak District with using scoring method. The results showed that the implementatioo of Permen KP No. 1/2015 turned positive impact Lobster fishers in Kebumen District, seen view of economic value and social value. However,with different well asCrab in Demak District, that negaitive impact. In Demak District is caused by that remains buying Crabs, although the condition is laying andsmall size.   
The Effect of Using Catalyst in Transesterification Reaction on the Biofuels Quality from Sardine Flour Oil Waste Sahubawa, Latif; Ningtyas, Diah Probo
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (105.393 KB) | DOI: 10.14710/ijfst.7.1.88-93

Abstract

Process of the transesterification reaction of sardine flour oil waste with NaOH as base catalyst in producing biofuels was conducted. The research purpose has studied the influence of NaOH concentration in transesterification process and examinate its effect on the quality of biofuels production, conversion, and physic quality. The variables that analysed was the effect of NaOH concentration as catalyst (0.5%, 1.0%, 1.5%, and 2.0% from amount of oil and methanol) in the transesterification reaction step. The result showed that the increasing NaOH concentration (0.5% until 1.5%), enhanced the biofuel conversion (%). The highest conversion of biofuels was achieved by using 1.50% NaOH (w/w) with 45.34% biofuels conversion. The major component in the biofuels was methyl palmitate (20.31%). ASTM analysis data also supported that the biofuel product was in agreement with automotive diesel fuel specification. Keywords: catalyst, transesterification, biofuels, quality, wastes
EFISIENSI TEKNIS DAN SELEKTIVITAS ALAT TANGKAP JARING INSANG (GILLNET) TERHADAP KOMPOSISI HASILTANGKAPAN DI PERAIRAN SEMARANG (Technical Efficiency and Selectivity of Fishing Gear Gillnet to Composition of Fish Capture in Semarang Water) Vatharany Liana Putri; Faik Kurohman; Aristi Dian Purnama Fitri
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 13, No 2 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (378.129 KB) | DOI: 10.14710/ijfst.13.2.126-132

Abstract

Pengoperasian Gill Net  akan berpengaruh terhadap stok sumberdaya ikan apabila tidak diatur dengan baik. Strategi manajemen sumberdaya ikan diperlukan agar optimalisasi hasil tangkapan dan kelestarian sumberdaya ikan tetap terjaga. Tujuan dari penelitian ini adalah untuk menganalisis nilai efisiensi teknis dan nilai selektivitas alat tangkap Jaring Insang (Gill Net ) terhadap komposisi hasil tangkapan. Metode penelitian yang digunakan adalah deskriptif bersifat studi kasus. Lokasi penelitian  di perairan Semarang. Obyek pengamatan adalah Gill Net .  Analisis data yang digunakan adalah uji Independent T-Test. Hasil Penelitian menunjukkan bahwa alat tangkap Gill Net  terdapat dua mesh size yaitu 1,4 inci dan 3,5 inci. Total hasil tangkapan Gill Net  dengan mesh size 1,4 inci sebesar 38.350 kg sedangkan Gill Net  dengan ukuran 3,5 inci sebesar 15.220 kg. Nilai efisiensi yang terdapat pada mesh size 1,4 inci adalah 30 sedangkan, mesh size 3,5 inci memperoleh poin sebesar 20. Berdasarkan pengolahan uji Independent T-test bahwa terdapat pengaruh signifikan antara komposisi hasil tangkapan Gill Net  terhadap mesh size 1,4 inci dan 3,5 inci. Kesimpulan yang diperoleh dari penelitian ini adalah status alat tangkap Gill Net  dengan mesh size 1,4 inci lebih efisien daripada mesh size 3,5 inci. The way to operation the Gill Net  will affect the stock of fish resources if not properly regulated. Strategy to manage the fish resources is needed to optimize amount of catch and create the sustainable fish resources. The aim of research was to analyze level of technical efficiency and selectivity Gillnets to the composition of the catches. The research method used case study on technical efficiency Gillnets in Semarang’s waters. The results of the research, Gillnets have two mesh size, 1.4 inch and 3.5 inch. Total catch of Gillnets with mesh size 1.4 inch was 38.350 kg while Gillnets catch with mesh size 3.5 inch was 15.220 kg. Based on independence T-test that there was significant influence between the composition of Gillnets catches to mesh size 1.4 inch and 3,5 inch. efficiency point with mesh size 1,4 inch was 30, whereas mesh size 3,5 inch obtained 20 point. The conclusion from this research is stat us of fishing gear Gillnets with mesh size 1,4 inch more efficient than mesh size 3,5 inch.
EFEKTIVITAS SUBSTITUSI TEPUNG IKAN DENGAN TEPUNG MAGGOT DALAM PAKAN BUATAN TERHADAP PERTUMBUHAN DAN KELULUSHIDUPAN IKAN PATIN (The Effect of Substitution of Fish Meal with Maggot Meal in Artificial Feed for Growth And Survival Rate of Catfish) Diana Rachmawati; Istiyanto Samidjan
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 9, No 1 (2013): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.013 KB) | DOI: 10.14710/ijfst.9.1.62-67

Abstract

Penelitian ini bertujuan untuk mengkaji pengaruh subtitusi tepung ikan dengan tepung maggot terhadap petumbuhan dan kelulushidupan ikan Patin (Pangasius pangasius), serta untuk mengetahui persentase tepung maggot yang paling baik sebagai bahan alternatif pengganti tepung ikan.  Sebanyak 450 ekor ikan Patin (P. pangasius)  dengan bobot rata-rata 147.4+0.062 g dipelihara dalam 15 unit hapa (1m x 1 m x 1.2 m) dengan padat tebar 30 ekor hapa-1 dipelihara selama 56 hari. Pakan uji yang digunakan dalam penelitian ini adalah pakan buatan berbentuk pellet dengan kandungan protein 25% dengan persentase substitusi tepung ikan dengan tepung maggot sesuai dengan perlakuan. Ada 5 tingkatan kombinasi substitusi yaitu: 0%, 25%, 50%, 75%, dan 100% maggot segar dihitung dari bobot kering. Metode penelitian yang digunakan adalah metode eksperimen. Rancangan percobaan menggunakan Rancangan Acak Lengkap (RAL).  Hasil penelitian menunjukkan bahwa pakan uji dengan substitusi tepung ikan dengan tepung maggot persentase berbeda memberikan pengaruh yang sangat nyata (P < 0.01) terhadap  pertumbuhan mutlak, laju pertumbuhan spesifik, rasio konversi pakan dan tidak berpengaruh  nyata (P > 0.05) terhadap terhadap kelulushidupan ikan Patin (P. pangasius).  Hasil penelitian memberikan rataan pertumbuhan bobot mutlak akhir ikan Patin menurun dengan meningkatnya persentase substitusi tepung ikan dengan tepung maggot (147.63 g, 0%; 158.53 g, 25%: 142.76 g, 50%; 127.36 g, 75%; 126.10 g, 100%).  Sedangkan pertumbuhan (SGR) berkisar antara 1.22-1.38% hari-1, dengan konversi pakan (FCR) 2.61-2.98.  Dari hasil analisis ANOVA dapat disimpulkan bahwa untuk mandapatkan pertumbuhan bobot mutlak dan laju pertumbuhan spesifik (SGR) yang terbaik, maggot dapat menggantikan tepung ikan dalam pakan uji sampai 25%, dengan rasio konversi pakan (FCR) sebesar 2.61. Kata Kunci :  Maggot, pakan buatan,  substitusi, pertumbuhan, konversi pakan The purpose of this study was to assess the effect of substitution of fish meal with maggot meal for growth and survival rate of  catfish (Pangasius pangasius), as well as to determine the best percentage of the Maggot meal on artificial feed for fish meal substitution. The total of 450 catfish with an average individual weight of 47.4+0.062 g were cultivated in 15 unit hapas with the dimension of 1m x 1m x 1,2m.  The density of catfish was 30 tails per hapa and nurtured for 56 days. The artificial feed for the experiment was formed as pellets and its protein content was 25%. The study had 5 reiterations of fish meal substitution on artificial feed with the Maggot meal.  There were 0%, 25%, 50%, 75%, and 100%. The research method used in this study was experimental method. The design of experiments was a complete random design. The results showed that artificial feed of Maggot meal on different reiterations significantly (P < 0.01) affected  on the absolute growth, the specific growth rate, and the feed conversion ratio; however, it did  not significantly (P > 0.05 ) affect on the survival rate of cafish (P. pangasius). The study also revealed that the percentage of Maggot meal subtituions negatively related to the weight of harvested average catfish, the higher the percentage of Maggot substituions the lower the weight of the average catfish  (147.63 g, 0%; 158.53 g, 25%: 142.76 g, 50%; 127.36 g, 75%; 126.10 g, 100%). Special Growth Rate (SGR) ranged from 1.22% to 1.38% per day with the Feed Conversion Ratio (FCR) between 2.61-2.98. Based on the ANOVA analysis the artificial feed of Maggot meal with 25% substitution gave the best effect on  both of the absolute and specific growth rate with the FCR of 2.61. Key words : Maggot meal, artificial feed, substitution, growth, food conversion
EFEK PEMBERIAN PROBIOTIK TERHADAP IKAN KOI (Cyprinus carpio) YANG TERINFEKSI Myxobolus sp. (Effect of Probiotics Treatment on Koi Carp (Cyprinus carpio) Infected With Myxobolus sp.) Nico Rahman Caesar; Uun Yanuhar; Muhammad Musa
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 15, No 1 (2019): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (542.501 KB) | DOI: 10.14710/ijfst.15.1.60-65

Abstract

Myxobolus merupakan ektoparasit yang berbahaya dan dapat mengakibatkan kematian hingga 80%. Dalam praktek akuakultur, probiotik telah digunakan dalam beberapa tahun terakhir probiotik menjadi bagian integral dari praktik budaya untuk meningkatkan pertumbuhan dan ketahanan terhadap penyakit. Tujuan penelitian ini mengetahui pengaruh pemberian probiotik terhadap hematologi dan respon imun ikan koi yang terserang Myxobolus sp. yakni eritrosit dan leukosit serta ekspresi Nuclear Factor-kappa Beta  (NF-kB). Metode yang digunakan yaitu metode eksperimen. Dalam penelitian ini dibagi ke dalam 4 perlakuan yaitu, perlakuan (A) Kontrol, (B) ikan koi terinfeksi Myxobolus sp., (C) ikan koi terinfeksi Myxobolus sp. dengan pemberian probiotik dosis 0,55 ml dan (D) ikan koi terinfeksi Myxobolus sp. dengan pemberian probiotik dosis 1,1 ml. Metode pemberian perlakuan dengan menambahkan probiotik pada 30 liter air pada bak pemeliharaan. Kemudian dilakukan pengamatan eritrosit dan leukosit. Serta dilakukan Imunohistokimia menggunakan antibodi NF-kB pada jaringan insang. Berdasarkan hasil pengamatan eritrosit diperoleh nilai rata – rata pada perlakuan A sebesar 1.666.667 sel/mm3, perlakuan B sebesar 1.940.000 sel/mm3, perlakuan C sebesar 1.776.667 sel/mm3 dan perlakuan D sebesar 1.836.667 sel/mm3. Hasil pengamatan leukosit diperoleh nilai rata – rata pada perlakuan A sebesar 119.800 sel/mm3, perlakuan B sebesar 492.800 sel/mm3, perlakuan C sebesar 308.533 sel/mm3 dan perlakuan D sebesar 318.400 sel/mm3. Selanjutnya, berdasarkan hasil Imunohistokimia  didapatkan hasil pada perlakuan A nilai DAB sebesar 15,1%, perlakuan B nilai DAB sebesar 31,7%, perlakuan C nilai DAB sebesar 53,5% dan pada perlakuan D nilai DAB sebesar 47,5 %. Dari penelitian ini dapat disimpulkan bahwa pemberian probiotik berpengaruh terhadap eritrosit dan leukosit serta dapat meningkatkan ekspresi NF-KB sebagai respon imun pada ikan koi (Cyprinus carpio) yang terinfeksi Myxobolus sp. Dosis optimal pemberian probiotik yaitu pada dosis 0,55 ml. Myxobolus is a dangerous parasite that can kill up to 80% on koi carp pond.. Probiotic intake has been proven to change the composition of the microbiota, and therefore helps in the recovery of microbiota that are disrupted (by antibiotics or other risk factors) into favorable or normal compositions. The purpose of this study was to determine the effect of probiotic administration on hematology and the immune response of koi fish attacked by Myxobolus sp. namely erythrocytes and leukocytes and expression of Nuclear Factor-kappa Beta (NF-kB). The method used was an experimental by providing probiotics to fish that promoted Myxobolus sp. In this study it was divided into 4 treatments namely, (A) Control, (B) koi carp infected by Myxobolus sp., (C) koi carp infected by Myxobolus sp. with probiotic doses of 0.55 ml and (D) koi fish infected by Myxobolus sp. by administering a probiotic dose of 1.1 ml. The treatment methods were the fish immersed into 30 L of water that added by Probiotic. The hematological observation of koi fish,  erythrocytes and leukocytes, was observed and immunohistochemistry using NF-KB antibodies in the gill tissue which is the target of the entry of Myxobolus sp. on Koi fish. Based on the results of the treatment of erythrocytes obtained the value of A handling is 1,666,667 cells / mm3, handling B is 1,940,000 cells / mm3, handling C is 1,776,667 cells / mm3 and handling D is 1,836,667 cells / mm3. The results of leukocyte observations obtained an average value on treatment A of 119,800 cells / mm3, treatment B was 492,800 cells / mm3, treatment C was 308,533 cells / mm3 and treatment D was 318,400 cells / mm3. Furthermore, based on the results of Immunohistochemistry, the results of handling A DAB value of 15.1%, handling B DAB value of 31.7%, handling C DAB value of 53.5% and at the time of treatment D DAB value of 47.5%. From this study it can be concluded that the treatment of probiotics affects erythrocytes and leukocytes and can increase the expression of NF-KB as an immune response in koi fish (Cyprinus carpio) infected with Myxobolus sp. The optimal dose of probiotics is at a dose of 0.55 ml 
KARAKTERISTIK KULIT SAMAK IKAN NILA (Oreochromis niloticus) DENGAN PENAMBAHAN BATING AGENT ALAMI DARI PANKREAS SAPI (Characteristics of Tilapia Fish Leather with Natural Bating Agent from Bovine Pancreatic) Ahmad Jauharul Farid; Putut Har Riyadi; Ulfah Amalia
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (173.233 KB) | DOI: 10.14710/ijfst.10.2.80-83

Abstract

ABSTRAK Bating atau pembuangan protein merupakan salah satu tahapan dari proses penyamakan dimana bating bertujuan untuk menghilangkan protein non kolagen (elastin, globular dan epidermis) yang tidak dibutuhkan oleh kulit dalam proses penyamakan. Beberapa bating agent alami yang dapat digunakan pada proses penyamakan kulit yaitu enzim papain, ragi tempe, nanas dan pankreas sebagai pengganti bating agent oropon yang mahal dan masih impor. Penelitian ini menggunakan pankreas sapi yang menghasilkan enzim proteolitik berfungsi menghidrolisis protein non kolagen. Tujuan dari penelitian ini adalah untuk mengetahui konsentrasi yang sesuai dalam pembuatan bating agent dan mengetahui pengaruh lama perendaman bating agent pankreas sapi terhadap kualitas dari kulit ikan nila samak. Parameter pengujian adalah kemuluran, kekuatan sobek, kekuatan tarik dan kadar krom oksida. Penelitian menggunakan desain percobaan Rancangan Acak Lengkap (RAL) satu faktor yaitu lama perendaman (20, 40, 60, dan 80 menit) dan 3 kali pengulangan. Hasil penelitian menunjukkan bahwa konsentrasi bating agent alami 1% dengan lama perendaman 60 menit berpengaruh nyata terhadap kulit samak ikan nila yang dihasilkan yaitu kekuatan tarik sebesar 1.805,20 N/cm2, kemuluran 71,37%, kekuatan sobek  371,02 N/cm2 dan kadar krom oksida 3,66%. Kata kunci : bating agent, pankreas sapi, karakteristik, kulit ikan nila samak Bating or disposal protein is one of the stages of the tanning process which aims to eliminate protein bating non-collagen which is not needed by the leather in the tanning process. Some bating natural agent that can be used in the tanning process, the enzyme papain, tempe, pineapple and pancreas instead of bating agent oropon expensive and still imported. This research used bovine pancreatic proteolytic enzymes that can hydrolyzes non-collagen proteins. The purpose of this study was to determine the appropriate concentration bating agent in the manufacture and the effect of soaking time bovine pancreatic bating agent on the quality of tilapia fish skin leather. Parameter testing is elongation, tear strength, tensile strength and levels of chromium oxide. Research using experimental designs completely randomized design (CRD) one factor was the soaking time (20, 40, 60, and 80 minutes) with three replications. The results showed the 1% concentration of bating agent with 60 minutes soaking affects tilapia fish leather were 1.805,20 N/cm2 of tensile strength, 71,37% of elongation, 371,02 N/cm2 of tear strength and 3,66% of chromium oxide content.  Keywords : material bating, bovine pancreas, characteristics, tilapia fish leather  

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