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Hetty Ondang
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Jurnal Bluefin Fisheries
Published by Politeknik Kelautan dan Perikanan Bitung
ISSN : -     EISSN : 26862255     DOI : http://dx.doi.org/10.15578/jbf
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Engineering Mechanical Engineering
JURNAL BLUEFIN FISHERIES merupakan publikasi ilmiah di bidang ilmu terapan kelautan dan perikanan. Artikel ilmiah yang disajikan merupakan hasil penelitian orisinil di bidang ilmu terapan kelautan dan perikanan yang belum pernah dipublikasikan. Yang dimaksud dengan perkembangan ilmu pengetahuan dan teknologi bidang Kelautan dan Perikanan di Indonesia antara lain: Teknik Penangkapan Ikan, Mekanisasi Perikanan, Teknik Pengolahan Produk Perikanan.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 5, No 2 (2023)" : 5 Documents clear
Pengaruh Parameter Kimia Terhadap Parameter Biologi Pada Kualitas Air Kolam Pulokerto, Kabupaten Pasuruan Yudana, IGP Gede Rumayasa; jayanti, shara
JURNAL BLUEFIN FISHERIES Vol 5, No 2 (2023)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The bad water quality is caused by many people managing waste poorly, which can pollute the environment and groundwater sources and create a negative impact on the balance of the ecosystem and surrounding waters. The quality of the water used as a cultivation medium in both columns and ponds is very important to know. This research was conducted to determine the effect of chemical parameters and biological parameters on water quality in the Pulokerto pond, Pasuruan Regency. Water quality measurements were carried out in 3 places, namely plot 13, plot 14 and SB. The chemical parameters tested were nitrite, phosphate, ammonium, Ca, Mg, TOM and alkalinity based on total (CO32- and HCO3-). The biological parameters tested were plankton abundance, TBC (Total Bacteria Count) and TVC (Total Vibrio Count). The results of water quality testing in plot 13 contained high levels of Blue Green Algae at DOC 34, namely 29 cells/ml and in plot SB at DOC 34 it was 22.9 cells/ml and at DOC 59 it was 17.26 cells/ml. Based on the results of the analysis of the quality values of chemical and biological parameters, it can be concluded that chemical parameters do not really influence the biological parameters of water quality in the Pulokerto pond, but rather the results of chemical water quality parameters such as nitrite content, hardness (Ca and Mg) and TOM of P.13 at the time of The 34th Shrimp DOC exceeds the 2014 SNI standard, causing an increase in the number of Blue Green Algae (BGA) which has toxic effects. The number of BGAs exceeded the standard number, namely 29 cells/ml, and on P.13, the 58th DOC showed that the results of green colonies on TVC (Total Vibrio Count) exceeded the standard, namely 200 cells/ml. Green vibrio colonies are a characteristic of the Vibrio parahaemolyticus species which has a poison that is dangerous for fish and shrimp. 
PEMBEKUAN GURITA (Octopus vulgaris) MENGGUNAKAN METODE CPF (Contact Plate Freezer) DI PT. KURNIA SAMUDERA JAYA HAMPARAN PERAK SUMATERA UTARA Sumartini, Sumartini; Suryono, Muh; Saputra, Eko Novi; Sulastri, Inong
JURNAL BLUEFIN FISHERIES Vol 5, No 2 (2023)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jbf.v5i2.195

Abstract

Octopus is one of the fishery commodities that is very easy to experience quality deterioration and therefore it must be done within a very short time so that the octopus[A1] [D2] remains fresh or does not experience deterioration in quality. Therefore, appropriate handling efforts must be made so that the octopus does not experience a decline in quality. One freezing technique that can be applied to the octopus freezing process is the methodContact Plate Freezing (CPF). The aim of this research is to determine the flow of the octopus freezing process (The common octopus) and know about the octopus freezing process (The common octopus) using a machineContact Plate Freezer (CPF) at PT. Kurnia Samudera Jaya Hamparan Perak, North Sumatra. The method used in this research is a qualitative method. The qualitative method referred to is collecting data sources and data collection techniques which have been carried out through observation, documentation, interviews and literature studies. Flow of the octopus freezing process at PT. Kurnia Samudra Jaya includes: receiving raw materials, washing 1, sorting 1, weighing 1, peeling, soaking in salt water, grinding (tumbling), washing 2, weighing 2, sorting 2, sorting, freezing,glazing, packing and labeling, storage, freezing, andstuffing. The principle of freezing octopus is to use a Contact Plate Freezer (CPF) with a coolant in the form of a refrigerant[A3] [D4]. Usagefreon asrefrigerant This was chosen because it has a low and stable freezing point. The conclusion of this research is the principle of octopus freezing (The common octopus) useContact Plate Freezer is to use Freon as a refrigerant. The use of Freon as a refrigerant was chosen because it has a low and stable freezing point. Benefits of using machinesContact Plat Freezer This is a faster freezing time and easier setup for this machine, while the disadvantage is that the capacity is small and the frozen product has a uniform size and is block shaped.
Penangkapan Ikan Menggunakan Handline Tuna pada Kegiatan Teaching Factory di Laut Maluku Karyanto, Karyanto; Purwanto, Yuli; Darondo, Franky Adrian; Takasabare, Erick Octavian; Karendehe, Pedro Gustavo
JURNAL BLUEFIN FISHERIES Vol 5, No 2 (2023)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jbf.v5i2.177

Abstract

Bitung Marine and Fisheries Polytechnic is a vocational college that implements Teaching Factory (TEFA) based vocational education. The aim of tefa learning activities is that students can master the skills and technical skills of catching tuna using a handline and knowing the catch. One of the tefa-based activities in the Fishing Engineering Study Program is deep sea fishing using tuna handlines. Activities were carried out during 2 fishing trips in the Maluku Sea using an experimental fishing approach. Data analysis uses qualitative descriptive methods. Analysis was carried out on tuna fishing techniques using handline. Based on research results, tuna fishing is carried out from 05.00-17.00 WITA. The catches obtained were dominated by yellowfin tuna (Thunnus albacores), Trip 1 was 27 fish weighing 865 kg, while trip 2 was 10 fish weighing 375 kg. Cadets gain adequate competency in the field of fishing using handline fishing equipment, and increase their sailing hours.
PROSES PENANGANAN IKAN HASIL TANGKAPAN DAN KERUSAKAN FISIK IKAN HASIL TANGKAPAN UTAMA POLE AND LINE PADA KM. INKAMINA 523 Putri, Elsari Tanjung; Manengkey, Jenny I
JURNAL BLUEFIN FISHERIES Vol 5, No 2 (2023)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jbf.v5i2.159

Abstract

The main catch of pole and line is skipjack tuna. There are several factors that influence the derivation in fish quality and post-catch fish damage, including inadequate facilities, fishing techniques and fish handling processes that is not in accordance with procedures. This study aims to explain the process of fish handling on board and identify main catch fish physical damage. The research method is observing of fish handling activities on board, recording the type and amount of the catch and identifying the physical damage to the catch during the fishing trip. The results showed that the stages of the fish handling on board consist of fish watering, sorting, washing, ice preparation, and storing the catch in fish hold. Fish handling on FV. Inkamina 523 has applied the principles of quick, careful, clean and cold chain. In fish handling activities, the ships’s crew are not equipped with work safety equipment. The main catch fish physical damage (skipjack tuna) on FV. Inkamina 523 i.e broken stomach, broken head, broken tail, broken eyes and ripped skin.  
PENGARUH PENGGUNAAN TEPUNG TULANG IKAN SWANGGI (Priacanthus tayenus) TERHADAP KUALITAS MUTU FISIK DAN PROKSIMAT PAKAN IKAN Sikumbang, Mohammad Nuril Akbar; Soeprijadi, Liliek; Rachma, Sasya Karina; Mukhaimin, Iman
JURNAL BLUEFIN FISHERIES Vol 5, No 2 (2023)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jbf.v5i2.198

Abstract

The objective of this research is to determine the optimal formulation for fish feed production by utilizing by-products from the swanggi fish (Priacanthus tayenus) surimi process, corn cob flour, and fine bran, considering parameters such as hardness, durability, buoyancy, load resistance, water resistance, buoyancy time, sensory evaluation, and proximate analysis. The study is divided into several stages, namely the production of swanggi fish bone meal, corn cob flour production, and fish feed production using four different formulations based on varying amounts of swanggi fish bone meal: F1 (400 grams), F2 (450 grams), F3 (500 grams), and F4 (550 grams). Quality testing of fish feed includes physical tests for hardness, durability, buoyancy, sensory evaluation, and proximate analysis. Fish feed has been successfully produced using four different formulations, with the best formulation determined through sensory analysis and physical tests, particularly formulation F1. The average value for F1 in terms of shape, odor, and texture parameters is 3.88. The best physical test results for the fish feed product are observed in formulation F1, with hardness not breaking under a 500-gram load, underwater durability lasting for 70 minutes before sinking, and buoyancy lasting for 62 minutes until the feed sinks. The highest proximate content is found in formulation F4, which complies with the SNI 01-7242-2006 standard for tilapia fish feed for rearing and growth, with protein content at 30.29%, fat content at 40.36%, moisture content at 5.25%, ash content at 7.85%, and carbohydrate content at 16.25%.

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