cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota semarang,
Jawa tengah
INDONESIA
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 492 Documents
 33   34   35   36   37 
ESTIMASI DAYA LISTRIK UNTUK PRODUKSI OKSIGEN OLEH KINCIR AIR SELAMA PERIODE “BLIND FEEDING” BUDIDAYA UDANG VANAME (Litopenaeus vannamei) Abdul Wafi; Heri Ariadi
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.19-35

Abstract

Sebanyak 15% biaya produksi budidaya udang digunakan untuk konsumsi energi listrik oleh penggunaan kincir air, selain itu penggunaan kincir air juga merupakan faktor kunci yang menentukan dalam keberhasilan budidaya udang. Tujuan dari penelitian ini adalah untuk mengetahui estimasi daya tenaga listrik yang dibutuhkan untuk produksi oksigen terlarut oleh penggunaan kincir air selama periode budidaya “Blind Feeding” udang vaname (L. vannamei). Metode penelitian yang digunakan adalah metode riset lapang dengan mengamati variabel parameter kualitas air (pH, suhu, Oksigen terlarut, salinitas), laju difusi oksigen pada kincir air, laju pertumbuhan udang, dan estimasi tingkat kebutuhan listrik untuk operasional kincir air yang dilakukan selama 30 hari awal masa budidaya intensif udang vaname. Hasil penelitian menunjukan kondisi parameter kualitas air selama masa budidaya cenderung stabil dan sesuai dengan kriteria baku mutu kualitas air untuk budidaya udang. Laju pertumbuhan udang harian rata-rata sebesar 1.21 gr/hari dan memiliki hubungan korelatif terhadap tingkat produksi oksigen oleh difusi kincir air dengan membentuk model persamaan Y = 4.769 + 0.344x. Sedangkan jumlah estimasi daya listrik yang dibutuhkan untuk mengoperasikan kincir air sepanjang periode blind feeding berkisar antara 0.97-1.07 kW yang berfluktuasi mengikuti efektifitas tingkat produksi oksigen di perairan tambak. Selama periode blind feeding budidaya udang intensif jumlah estimasi daya listrik yang dibutuhkan untuk mengoperasionalkan kincir air dengan kapasitas 2 HP dibutuhkan energi listrik antara 0.97-1.07 kW yang berfluktuasi secara osilatif sepanjang periode blind feeding budidaya udang vaname berlangsung. 15% of shrimp culture production cost is used for electricity consumption by paddle-wheels aerator operation, in addition, the use of paddle-wheel aerator is also a key determining factor in shrimp farming. The purpose of this study was to determine the estimated electric power required for dissolved oxygen production by the use of a paddle-wheel aerator during the "Blind Feeding" period of vaname shrimp (L. vannamei). The research method used with the field research method by observing the variable water quality parameters (pH, temperature, dissolved oxygen, salinity), oxygen diffusion rate in paddle-wheel aerators, shrimp growth rate, and estimation of the level of electricity demand for paddle-wheel aerator operations during the initial 30 days of intensive shrimp culture. The results showed that of water quality parameters condition during the cultivation period tended to be stable and in accordance with the water quality standard criteria for shrimp culture. The daily shrimp growth rate an average of 1.21 g/day and has a correlative relationship with the level of oxygen production by paddle-wheel aerators diffusion by forming the equation model Y = 4.769 + 0.344x. Meanwhile, the estimated amount of electric power needed to paddle-wheel aerators operate during the blind feeding period ranges from 0.97-1.07 kW which fluctuates following by oxygen production rate effectiveness in pond waters. During the blind feeding intensive shrimp farming periods, the estimated amount of electrical power require to operate of 2 HP paddle-wheel aerators capacity need electrical energy between 0.97-1.07 kW which fluctuates oscillatively throughout the blind feeding periods.
THE EFFECT OF KAPPA CARRAGEENAN ADDITION ON THE EMULSION STABILITY OF MILKFISH (Chanos chanos) SAUSAGE Edita Meliana; Tri Winarni Agustini; Retno Ayu Kurniasih
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.53-58

Abstract

Fish sausage is a processed fish product in the form of an emulsion, so that the stability of the emulsion is one of the most important factors for the success of the product. The aim of this study is to find out the effect of kappa carrageenan as a hydrocolloid in increasing the emulsion stability and determining the best concentration of kappa carrageenan based on the value of emulsion stability and the characteristics of milkfish sausage. The research method used was experimental laboratories with a completely randomized one-factor design using ANOVA, which was then continued with the HSD test. Organoleptic value data were analyzed using the Kruskal-Wallis and Mann-Whitney tests. The concentrations of kappa carrageenan used were 0%;0.5%;1%;1.5 with 3 repetitions. The results of the study show that kappa carrageenan addition has a significant effect (p<0.05) on the value of emulsion stability, sensory, moisture content, gel strength, and water holding capacity. The concentration of 1% kappa carrageenan (P2) was the best concentration with quality criteria: sensory of 8.14<µ<8.32, moisture content of 63.02%, water holding capacity of 55%, gel strength of 1200.14 g.cm, and emulsion stability of 83.23. Compared to other treatments, fish sausage with the addition of 1% kappa carrageenan has the brightest appearance according to the specific color of the product, has a chewy texture and solid but not hard, and has the highest value of emulsion stability.
PENENTUAN WAKTU AWAL PEMBERIAN ZOOPLANKTON KOPEPODA UNTUK PENINGKATAN PERTUMBUHAN DAN KELANGSUNGAN HIDUP LARVA IKAN KERAPU SUNU (Plectropomus leopardus Lacepède, 1802) Regina Melianawati; Daniar Kusumawati; Ni Ketut Maha Setiawati
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.26-35

Abstract

Ikan kerapu sunu (Plectropomus leopardus) merupakan komoditas perikanan laut bernilai ekonomis tinggi, sehingga kegiatan pembenihannya penting untuk dilakukan. Salah satu aspek penting dalam pembenihan adalah pemberian pakan alami berupa zooplankton. Salah satu jenis zooplankton yang diketahui berpengaruh positif dalam pembenihan ikan kerapu sunu adalah kopepoda. Namun demikian, waktu awal pemberian kopepoda yang tepat hingga saat ini belum diketahui. Oleh karenanya, penelitian ini bertujuan untuk mengetahui waktu awal pemberian kopepoda yang tepat bagi larva ikan kerapu sunu. Perlakuan yang diujikan adalah pemberian kopepoda stadia naupli mulai larva umur 3 hari (A), 5 hari (B), 7 hari (C) dan pada umur 4 hari saja (D). Setiap perlakuan diulang 3 kali ulangan waktu. Penelitian dilakukan hingga sebagian besar larva telah menjadi juvenil pada umur 45 hari. Hasil penelitian menunjukkan bahwa larva yang diberi pakan kopepoda lebih awal, yaitu pada umur 3 dan 5 hari cenderung memiliki pertumbuhan yang lebih baik dan kelangsungan hidup yang lebih tinggi dibandingkan dengan pada larva yang diberi kopepoda mulai umur 7 hari maupun yang hanya diberi pada umur 4 hari saja. Larva yang diberi kopepoda secara kontinyu juga dapat mencapai fase metamorfosis lebih cepat. Jadi, waktu awal pemberian kopepoda cenderung berpengaruh terhadap pertumbuhan dan kelangsungan hidup larva ikan kerapu sunu meskipun secara statistik tidak berbeda nyata (P>0,05). Berdasarkan hasil penelitian ini maka pemberian kopepoda dalam pemeliharaan larva ikan kerapu sunu sebaiknya dilakukan secara kontinyu mulai larva umur 3 hari. Coral trout (Plectropomus leopardus) is a marine fish which has highly economical value as prestigious seafood.  So, the cultivation of this species in hatchery should be conducted. One of the important factors in marine fish hatchery is the kind of zooplankton as the live feed during the larval stage. Previuos study indicated that copepods play a significant role in larvae rearing of coral trout. However, the right initial time to feed the larvae by copepods is still unknown. Therefore, this research was conducted  to determine the initial time of feeding copepods to coral trout larvae. The treatment tested was different initial time of feeding naupli stage copepods to larvae, that was started at 3 (A), 5 (B), 7 (C)  days after hatching, respectively and at 4 days old larvae only (D). Each treatment was performed with 3 time replications.  This study was done until mostly all of the larvae become juveniles at 45 days after hatching. The results showed that larvae on treatment (A) and (B) tended to have better growth and higher survival rate compared to larvae from treatment (C) and (D). Larvae which were fed copepods continuously also reached metamorphosis stage faster compared than the only once fed. Thus, the initial feeding time of copepods tended to influence the growth and survival rate of coral trout larvae event hough they were not statistically significant different (P> 0.05). Based on the result of  this research, feeding copepods to coral trout larvae in hatchery should be carried out continuously starting at 3 days old larvae.
PENGARUH PEMBERIAN CACING LAUT (Nereis sp.) YANG DIPERKAYA DENGAN MINYAK CUMI DENGAN DOSIS YANG BERBEDA UNTUK PERTUMBUHAN DAN KELULUSHIDUPAN POST LARVA UDANG VANAME (Litopenaeus vannamei) Ulva Rohmanawati; Vivi Endar Herawati; Seto Windarto
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.59-66

Abstract

Udang vaname (L. vannamei) merupakan salah satu komoditas perikanan laut yang memiliki nilai ekonmis tinggi di pasar domestik maupun pasar global. Kendala yang sering dialami pembudidaya pada pemberian pakan alami adalah harga artemia yang tinggi, sehingga diperlukan pengganti artemia dengan kandungan nutrisi yang hampir sama, yaitu cacing laut (Nereis sp.). Nereis sp. telah dimanfaatkan sebagai pakan alami yang dibutuhkan untuk kelangsungan produksi naupli di pembenihan udang. Pengoptimalan pertumbuhan udang vaname dapat menggunakan penambahan pengkayaan pada Nereis sp., yaitu menggunakan minyak cumi. Minyak cumi mengandung arginin yang merupakan bagian dari asam amino essensial untuk meningkatkan pertumbuhan. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penambahan cacing laut yang diperkaya dengan minyak cumi terhadap pertumbuhan dan kelulushidupan udang vaname Post Larva 15 dan mengetahui dosis terbaik penambahan Nereis sp. dengan minyak cumi terhadap pertumbuhan dan kelulushidupan udang vaname Post Larva 15. Penelitian ini menggunakan metode eksperimen dan menggunakan uji duncan dengan rancanagan acak lengkap (RAL) 4 perlakuan dan 3 ulangan. Perlakuan penambahan minyak cumi pada pakan Nereis sp. yaitu A (0 ml), B (5 ml), C (10 ml), dan D (15 ml). Data yang diamati meliputi pertumbuhan bobot mutlak, RGR, TKP, EPP, PER, dan SR. Penambahan minyak cumi pada pakan Nereis sp. memberikan pengaruh nyata (P<0,05) terhadap pertumbuhan dan kelulushidupan post larva udang vaname. Perlakuan (C) merupakan perlakuan terbaik dengan pemberian pakan Nereis sp. yang ditambah minyak cumi 10 ml dengan nilai pertumbuhan bobot mutlak (0,38±0,01 g); RGR (24,56±2,50%); TKP (472,59±2,50%); TKP (472,59±0,10 g); EPP (2,43±0,04%); PER (4,35±0,06%); dan SR (98,89±1,92%). Pacific white shrimp (L. vannamei) is a marine fishery commodity with high economic in domestic and global markets. The obstacle that cultivators experience in providing natural food is the high price of Artemia, so it is necessary to replace Artemia with almost the same nutritional content, sea worms. Nereis sp. has been used as a natural feed to maintain nauplii production in shrimp hatcheries. Optimizing the growth of vaname shrimp can use the addition of enrichment in Nereis sp., namely using squid oil. Squid oil contains arginine, part of the essential amino acids for increase growth. The purpose of this study was to determine the effect of adding sea worms enriched with squid oil on the growth and survival of Pacific white shrimp Post Larvae 15, and knowing the best dose of addition of Nereis sp. with squid oil. The treatment of adding squid oil to the feed of Nereis sp. were A (0 ml), B (5 ml), C (10 ml), and D (15 ml). The data observed include absolute weight growth, RGR, TFC, FUE, PER, and SR. The addition of squid oil to the feed of Nereis sp. had a significant effect (P<0.05) on the growth and survival rate of vaname shrimp postlarvae. Treatment (C) was the best treatment with Nereis sp. which was added with 10 ml of squid oil. Those  dosages  resulted  in  the maxium values of 0,38 g, 24,56%, 472,59 g, 2,43%, 4,35%, and 98,89% for absolute weight growth, RGR, TKP, EPP, PER, and SR respectively. 
KAJIAN KELAYAKAN, PENGEMBANGAN BUDIDAYA DAN PENGOLAHAN Eucheuma sp. DI PULAU PARI, KEPULAUAN SERIBU- JAKARTA Hilda Novianty; Arvita Rosmawati; Jasmadi Jasmadi
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.36-46

Abstract

Pemanfaatan Eucheuma sp. yang dapat diaplikasikan pada bidang pangan dan non pangan menjadikan Eucheuma sp. diminati pasar, sehingga budidaya Eucheuma sp. sedang digalakkan. Budidaya Eucheuma sp. di Pulau Pari telah dimulai sejak tahun 1960an, hanya saja seiring perkembangan zaman pembudidaya banyak yang beralih ke sektor wisata, padahal peluang untuk mengembangkan usaha budidaya dan olahan Eucheuma sp.  di Pulau Pari masih luas. Penelitian ini bertujuan untuk melihat kelayakan usaha budidaya dan olahan dari Eucheuma sp. di Pulau Pari, serta mengidentifikasi kendala dan upaya perbaikan pengembangannya. Metode penelitian menggunakan data primer, interview dan studi literatur dalam menghitung kelayakan analisis pendapatan usaha, seperti analisis pendapatan,  Revenue Cost Ratio (R/C), Payback Periode (PP), Break Even Point (BEP), Net Present Value (NPV), Internal Rate of Return (IRR) dan Net B/C. Hasil dari analisis usaha budidaya Eucheuma sp. menunjukkan nilai R/C: 1,43; PP: 2,35th, NPV Rp. 20,474,309, IRR 31.84%, Net B/C 1,65 dan pendapatan sebesar Rp. 1,209,555/bulan. Sedangkan untuk usaha pengolahan menunjukkan nilai R/C : 2,18; PP : 0,36 tahun, NPV Rp.  82,676,917, IRR dan Net B/C > discount factor dan pendapatan sebesar Rp. 1,950,000/bulan. Kajian ini menunjukkan bahwa aktivitas budidaya dan pengolahan Eucheuma sp. di Pulau Pari menunjukkan layak dilaksanakan. Selain itu BEP kedua usaha tersebut juga menunjukkan titik impasnya berada di bawah jumlah produksi dan harga jual riil, sehingga usaha tersebut dinilai efisien secara ekonomi. Pada pelaksanaan usaha-usaha ini ditemukan terdapat kendala-kendala teknis maupun non teknis sehingga diperlukan kerjasama yang tepat antara pemerintah, pengusaha dengan instansi yang berkepentingan untuk keberlanjutan usaha. The utilization of Eucheuma sp. which could be applied for either food or non-food purposes, drew a steady market demand, so the production was increased. The cultivation has been started since the 1960s in Pulau Pari and the development opportunities were still higher, however the farmers tended to shift their focus to tourism business. The purpose of this study was to determine the viability and identify the obstacles to cultivation and processing of Eucheuma sp. businesses in Pulau Pari. This study relied on primary data from interviews and secondary data from literature reviews to calculated feasibility factors, such as incomes, Revenue Cost Ratio (R/C), Payback Periode (PP), Break Even Point (BEP), Net Present Value (NPV), Internal Rate of Return (IRR), and Net B/C. This study showed feasibility assessment for Eucheuma sp. cultivation business were 1.43 for R/C; 235 years for PP; 20,474,309 IDR for NPV; 31.84% for IRR; 1,65 for Net B/C and 1,209,555 IDR/month for incomes, respectively. Whereas, for Eucheuma sp. processing business were 2.18 for R/C; 0.36 years for PP; 82,676,917 IDR for NPV; IRR and Net B/C were more than discount factor and 1,950,000 IDR/month for incomes, respectively. BEP showed were below the real of production quantity and selling price. This showed both cultivating and processing of Eucheuma sp. were economically viable. Some technical and non-technical obstacles emerged amid to those two businesses, therefore, collaboration with government and non-government institutions is one of the promising approaches to achieve the sustainability.
PENGARUH PEMBERIAN PERASAN BUAH MENGKUDU (Morinda citrofolia) UNTUK PENGENDALIAN Argulus sp. PADA MEDIA HIDUP IKAN KOMET (Carassius auratus) Andika Putriningtias; Yusnaini Anjani Siregar; Siti Komariyah
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.7-12

Abstract

Ikan Komet (Carassius auratus) merupakan salah satu ikan hias yang menarik, murah dan selalu memberi konsistensi hasil yang identik dengan induknya. Tetapi ikan tersebut dapat rusak dikarenakan beberapa unsur, salah satu unsur yang berperan untuk kerusakan dan timbulnya penyakit yaitu patogen seperti Argulus sp. Pengendalian Argulus sp. dapat dilakukan dengan pemberian antibiotik. Namun, pada saat ini penggunaannya dibatasi selain tingginya harga, bila pemberian antibiotik berlebihan juga dapat berdampak negatif terhadap lingkungan dan ikan, maka dicari pengganti dengan menggunakan bahan alami buah mengkudu (Morinda citrofolia). Penelitian ini bertujuan untuk menganalisis pemberian perasan buah mengkudu dengan dosis yang tepat untuk pelepasan Argulus sp. pada tubuh ikan Komet dan berapa lama Argulus sp. akan mati setelah pemberian perasan buah mengkudu. Diharapkan perasan buah mengkudu dapat bermanfaat bagi kegiatan budidaya ikan komet sebagai salah satu bahan pengendalian parasit yang mudah dicari. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan, tiap perlakuan diulang 4 kali sehingga terdiri atas 16 percobaan. Perlakuannya adalah P0 (tanpa perasan buah mengkudu), P1 (4 ml/L), P2 (4,5 ml/L), P3 (5 ml/L). Selain itu dilakukan pengukuran parameter kualitas air seperti suhu, pH dan DO, sebagai data pendukung penelitian. Hasil penelitian yang telah dilakukan selama 15 hari menunjukkan bahwa perbedaan dosis perasan buah mengkudu terhadap pengendalian Argulus sp. tidak berpengaruh nyata terhadap Survival rate ikan Komet dan mortalitas Argulus sp. sedangkan pada waktu dan persentase pelepasan Argulus sp. dan waktu kematian Argulus sp. menunjukkan hasil yang berpengaruh nyata. Comet Fish (Carassius auratus) is one of the attractive ornamental fish, cheap and always gives consistent results that are identical to the parent. But the fish can be damaged due to several elements, one of the elements that play a role in damage and the emergence of disease is pathogens such as Argulus sp. Control of Argulus sp. This can be done by giving antibiotics, however, at this time their use is limited in addition to the high price, if excessive antibiotics can also have a negative impact on the environment and fish, then a substitute is sought by using natural ingredients from mengkudu fruit (Morinda citrofolia). This study aims to analyze the administration of mengkudu juice with the right dose for the release of Argulus sp. on the body of Comet fish and how long Argulus sp. will die after giving mengkudu juice. It is hoped that the juice of the mengkudu fruit can be useful for comet fish cultivation activities as one of the easy-to-find parasite control materials. This study used a completely randomized design (CRD) with 4 treatments, each treatment was repeated 4 times so that it consisted of 16 trials. The treatments were P0 (without mengkudu juice), P1 (4 ml/L), P2 (4.5 ml/L), P3 (5 ml/L). In addition, water quality parameters such as temperature, pH and DO were measured as supporting data for the research. The results of the research that had been carried out for 15 days showed that the difference in the dose of mengkudu juice on the control of Argulus sp. did not significantly affect the survival rate of comet fish and the mortality of Argulus sp. while the time and percentage of release of Argulus sp. and the time of death of Argulus sp. show significant results. 
ANTIBACTERIAL ACTIVITY FROM ETHANOL AND ETHYL ACETATE EXTRACTS OF Padina pavonica HAUCK FROM KABUNG ISLAND AGAINST Escherichia coli Warsidah Warsidah; Ikha Safitri; Mega Sari Juane Sofiana; Shifa Helena
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.1-6

Abstract

Macroalgae is marine biological resources that play a crucial role and have an important economic value. They synthesize bioactive compounds with different kind of biological activities, such as antioxidant, antitumor, including antibacterial. In the health sector, infectious diseases from bacteria is one of the problems that still increasing. In addition, E. coli besides having the capacity to be pathogenic agent, it also showed mutlidrug resistence (MDR). Antibiotic resistance is a serious problem worldwide. The increase of this phenomenon leads to the exploration of new antibiotics using natural resources as an effort to overcome the problem. Padina pavonica Hauck belongs to Phaeophyceae spreeding along Kabung Island waters, but its existence has not been widely used. The objective of this study was to evaluate antibacterial activity from ethanol and ethyl acetate extract of P. pavonica Hauck from Kabung Island, West Kalimantan against E. coli. The extraction was  made using ethanol and ethyl acetate solvents, and the antibacterial activity test was realized with concentration series of 5 ppm, 10 ppm, 15 ppm, and 20 ppm. The quantitative assessment of the antibacterial test showed that both ethanol and ethyl acetate extracts of P. pavonica Hauck had potential antibacterial activity against E. coli. The inhibition zone of ethanol extract was 11.6 mm, while ethyl acetate extract was 12.6 mm, respectively. These two solvents were included to the bacteriostatic category.
PENGARUH LIMBAH AIR PANAS PADA KUALITAS HASIL TANGKAPAN DI PERAIRAN LAUT DI SEKITAR PLTU SUMURADEM KABUPATEN INDRAMAYU, JAWA BARAT Didha Andini Putri; Lisa Sahara
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 17, No 4 (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.17.4.262-270

Abstract

PLTU adalah pusat pembangkit listrik yang menggunakan tenaga uap sebagai penggerak utama turbin guna menghasilkan tenaga listrik. Sistem ini bekerja dengan menggunakan air sebagai cairan kerja oleh karena itu kebanyakan PLTU di bangun di daerah pesisir. Keberadaan Pembangkit Listrik Tenaga Uap (PLTU) Sumur Adem, Kabupaten Indramayu berada di pesisir dinilai memberikan dampak positif bagi ketersediaan listrik bagi pulau Jawa dan Bali. Tujuan penelitian untuk mengetahui cemaran limbah air panas, kandungan logam berat Pb, Cd, dan Hg terhadap komposisi dan kualitas hasil tangkapan nelayan jaring rampus di peraiaran laut sekitar PLTU Sumur Adem terutama nelayan desa Ujung Gebang kab. Indramayu. Metode penelitian yang digunakan adalah metode deskriptif Komposisi hasil tangkapan ikan selama trip adalah ikan kembung, kuro, colet, dan rajungan. Kandungan logam berat merkuri (Hg) didalam badan air pada perairan PLTU SumurAdem berkisar antara 0,00-0,003 ppm pada 2 stasiun berbeda sedangkan kandungan logam berat timbal Pb berkisar 0,00-0,12 ppm. Sedangkan kadar cadmium tidak di temukan. Salinitas memiliki rata-rata 30%o. Kecerahan masih memiliki kategori optimal mulai dari 1,45-4,35 meter. pH memiliki nilai 6-7 ppt. Suhu pada penelitian saat di lapangan berkisar 27-300C dengan rata-rata suhu permukaan laut bulanan melalui satelit citra aqua MODIS di peroleh 29-330C pada bulan April-Juni 2018. Uji organoleptik mendapatkan hasil pada ikan 1 memiliki nilai uji skor 7.0 pada ikan 2 adalah 7.0 pada ikan 3 diperoleh nilai terbesar yaitu 7,5 pada ikan 4 diperoleh nilai 7.0 dan ikan 5 diperoleh nilai 7.0  Nilai rata-rata Uji sensori secara keseluruhan mendapatkan nilai insang paling kecil dengan rata-rata 4,1-5,2. The existence of the Sumur Adem Steam Power Plant (PLTU), Indramayu Regency, which is on the coast, agreed to have a positive impact on electricity users in Java and Bali. The PLTU is the center of a power plant that uses steam power as the main driver of the turbine to produce electricity. This system works by using water as a working liquid by most PLTUs built in the coastal area. The aim of the study is to find out the source of hot water, sources of heavy metals Pb, Cd, and Hg for the application and quality of SumurAdem PLTU, especially fishermen in Ujung Gebang village. Indramayu. The research method used is a descriptive method that provides an overview of hot air emissions from fisheries biota. The composition of fish catches by rampet nets during the trip is mackerel, kuro, colet, and crab. The heavy metal content of mercury (Hg) in the water body at the SumurAdem PLTU meeting changed between 0.00-0.003 ppm at 2 different stations containing heavy lead metal (pB) from 0.00 to 0.12 ppm. While cadmium levels were not found. Salinity has an average of 30% o. Brightness still has optimal categories ranging from 1.45-4.35 meters. pH has a value of 6-7 ppt. Temperature in the current study in the field produces 27-300C with an average sea surface temperature through satellite aqua MODIS imagery obtained 29-330C in April-June 2018. Organoleptic test to obtain results in fish 1 with a test score of 7.0 in fish 2 is 7.0, in fish 3 is , 7.5 in fish 4, value 7 is obtained and fish 5 has interval value 7.0 Average value The overall sensory test gets the lowest gill value with an average of 4.1 -5.2.
ANTIBACTERIAL POTENCY OF CELL FREE SUPERNATANT PRODUCED BY LACTIC ACID BACTERIA ISOLATED FROM INDONESIAN FERMENTED FISH PRODUCTS AGAINST HISTAMINE-PRODUCING BACTERIA Masagus Muhammad Prima Putra; Muhammad Yaafi Al-Hammam; Giffarri Ahsan; Klara Kharisma Bunga Chandra; Indun Dewi Puspita
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 18, No 1 (2022): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.18.1.13-18

Abstract

The toxicity caused by high histamine content produced by histamine-producing bacteria (HPB) during the fermentation of scombridae fish group based fermented fish products is still a problem that requires a solution. This study aims to explore the potential of secondary metabolites in the form of cell free supernatant (CFS) produced by lactic acid bacteria (LAB) as antibacterial agents against HPB. The LAB was isolated from the fermented fishery products named bekasan, cincalok and fish sauce using MRS-Agar and fermented on MRS-broth for 48 hours. CFS was collected by centrifugation at 15,000 x g for 15 minutes, followed by heating at 100oC for 3 minutes and pH neutralization with 0.1N NaOH. Antimicrobial activity of CFS then tested on HFB namely Morganella morganii TK7, Citrobacter freundii CK1, and Klebsiella sp. CK13.2 (collection of the Laboratory of Fisheries Product Quality and Safety, Department of Fisheries UGM) using the macrodilution method. Isolation of LAB from all three products successfully isolated 34 isolates. The results of the antibacterial activity showed that 4 isolates namely GMCN 1.12, GMBK 2.6, GMBK 2.7, dan GMKI 2.1 were able to inhibit HFB growth more than 70%. The highest activity was shown by GMBK 2.7 which inhibits 98% against Morganella morganii TK7, 99% against Citrobacter freundii CK1, and 84% against Klebsiella sp. CK13.2. The antimicrobial activity was reduced after proteolytic enzymes were added suggesting that the bioactive compound came from peptide-based substances like bacteriocin.
CHARACTERISTICS OF TUNA, SMALL TUNA AND SKIPJACK (TTS) FISHERY IN KUTARAJA OCEAN FISHING PORT, ACEH Gussasta Levi Arnenda; Fathur Rochman
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 17, No 2 (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.17.2.90-98

Abstract

Kutaraja Ocean Fishery Port is the oldest port in Banda Aceh City, Lampulo. Fishery resources are a new potential in the regional economic development of Aceh province. Fish resources that have great potential are from the large pelagic fish groups, including Tuna, Small Tuna and Skipjack (TTS) . Fishery characteristics are used to carry out sustainable fishing. This research was conducted at PPS Kuta Raja, Aceh for one year. Data collection was carried out directly through site surveys and interviews with related fisheries actors. Biological data and capturing aspects were carried out using a stratifield random sampling system by placing enumerators. The results showed that the production of TCT at PPS Kutaraja was dominated by 2 fishing gears, purse seine and hand lines. Based on the results of enumeration in 2020, the estimated total production of tuna skipjack and small tuna at PPS Kuta Raja reaches 11,520 tons. The highest total estimated fish catch is skipjack tuna (Katsuwonus pelamis) (SKJ) 5,802 tons, Bullet tuna (Auxis rochei)(BLT) 2814 tons, Yellow fin  (Thunnus albacares) (YFT) 2,452 tons, Krai Tongkol (Auxis thazard) (FRI) 448 tons, and Eastern little tuna (Euthynnus affinis) (KAW) 1,745 tonnes. All of the fish caught were dominated by immature fish. So it is very necessary to evaluate the use of fishing gear or the licensing of FADs. The monthly CPUE distribution pattern is the same, where in August it reaches the highest CPUE and in October it reaches the lowest CPUE value.

Page 35 of 50 | Total Record : 492

 33   34   35   36   37 

Filter by Year

2006 2025


Reset
Filter By Issues
All Issue Vol 21, No 4 (2025): SAINTEK PERIKANAN Vol 21, No 3 (2025): SAINTEK PERIKANAN Vol 21, No 2 (2025): SAINTEK PERIKANAN Vol 21, No 1 (2025): SAINTEK PERIKANAN Vol 20, No 4 (2024): SAINTEK PERIKANAN Vol 20, No 3 (2024): SAINTEK PERIKANAN Vol 20, No 2 (2024): SAINTEK PERIKANAN Vol 20, No 1 (2024): SAINTEK PERIKANAN Vol 19, No 4 (2023): SAINTEK PERIKANAN Vol 19, No 3 (2023): SAINTEK PERIKANAN Vol 19, No 2 (2023): SAINTEK PERIKANAN Vol 19, No 1 (2023): SAINTEK PERIKANAN Vol 18, No 4 (2022): SAINTEK PERIKANAN Vol 18, No 3 (2022): SAINTEK PERIKANAN Vol 18, No 2 (2022): SAINTEK PERIKANAN Vol 18, No 1 (2022): SAINTEK PERIKANAN Vol 17, No 4 (2021): SAINTEK PERIKANAN Vol 17, No 3 (2021): SAINTEK PERIKANAN Vol 17, No 2 (2021): SAINTEK PERIKANAN Vol 17, No 1 (2021): SAINTEK PERIKANAN Vol 16, No 4 (2020): SAINTEK PERIKANAN Vol 16, No 3 (2020): SAINTEK PERIKANAN Vol 16, No 2 (2020): SAINTEK PERIKANAN Vol 16, No 1 (2020): SAINTEK PERIKANAN Vol 15, No 2 (2019): SAINTEK PERIKANAN Vol 15, No 1 (2019): SAINTEK PERIKANAN Vol 14, No 2 (2019): SAINTEK PERIKANAN Vol 14, No 1 (2018): SAINTEK PERIKANAN Vol 13, No 2 (2018): SAINTEK PERIKANAN Vol 13, No 1 (2017): SAINTEK PERIKANAN Vol 12, No 2 (2017): SAINTEK PERIKANAN Vol 12, No 1 (2016): SAINTEK PERIKANAN Vol 11, No 2 (2016): SAINTEK PERIKANAN Vol 11, No 1 (2015): JURNAL SAINTEK PERIKANAN Vol 10, No 2 (2015): JURNAL SAINTEK PERIKANAN Vol 10, No 1 (2014): JURNAL SAINTEK PERIKANAN Vol 9, No 2 (2014): JURNAL SAINTEK PERIKANAN Vol 9, No 1 (2013): JURNAL SAINTEK PERIKANAN Vol 8, No 2 (2013): Jurnal Saintek Perikanan Vol 8, No 1 (2012): Jurnal Saintek Perikanan Vol 7, No 1 (2011): Jurnal Saintek Perikanan Vol 6, No 2 (2011): Jurnal Saintek Perikanan Vol 6, No 1 (2010): Jurnal Saintek Perikanan Vol 5, No 2 (2010): Jurnal Saintek Perikanan Vol 5, No 1 (2009): Jurnal Saintek Perikanan Vol 4, No 2 (2009): Jurnal Saintek Perikanan Vol 4, No 1 (2008): Jurnal Saintek Perikanan Vol 3, No 2 (2008): Jurnal Saintek Perikanan Vol 2, No 1 (2006): Jurnal Saintek Perikanan More Issue