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Ronal Kurniawan
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Faculty of Fisheries and Marine,Universitas Riau Kampus Bina Widya KM. 12,5 Simpang Baru, Tampan, Pekanbaru 28293 Indonesia
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INDONESIA
Jurnal Perikanan dan Kelautan
Published by Universitas Riau
ISSN : 08537607     EISSN : 27218902     DOI : https://doi.org/10.31258/jpk
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Materials Science & Nanotechnology Physics
Jurnal Perikanan dan Kelautan (JPK) aims to promote interdisciplinary research and to foster collaboration among researchers from diverse backgrounds. Jurnal Perikanan dan Kelautan (JPK) is committed to publishing high-quality, original research that makes a significant contribution to fields of aquaculture and fisheries encompassing: Aquaculture Aquaculture Nutrition Management Aquaculture Disease and Immunology Fish Biochemistry, Genetics, and Molecular Biology Fish Reproduction, Physiology, and Endocrinology Fishery Resource Habitats and Management Genetic Engineering and Biotechnology of Aquatic Organisms Aquatic Biology, Environment, and Ecology
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 534 Documents
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Repair and Maintenance of Main Engine Cooling System on Fishing Vessels Boby Wisely Ziliwu; Agustinus Jhonri Situmorang; Richard Antonius Rambung
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.1-6

Abstract

Diesel engine is one type of piston motor fuel, whose fuel combustion occurs due to high air pressure in the combustion chamber. The combustion process diesel engine generates heat energy and raises the high pressure in the cylinder, the pressure is comverted to mechanical energy on the crankshaft. Then the cooling system is needed on the main engine. The cooling system is one system that functions to maintain the engine temperature at a certain temperature in accordance with the design specified so that the diesel engine can operate sustainably. This research work aims to find out how to work the ship’s cooling system, to find out how to maintain the ship’s cooling system, to find out the interference that occurs in the cooling system and to make repairs. The working of the cooling system at KM Sumber Fortuna use a cooling system indirectly / closed by using a heat excanger as a place to heat the heat excanger media by circulating fresh water to the entire machine to remove heat arising from combustion and friction in the engine. The method of maintenance is carried out with the duty service for 4 hours, the service carried ou is to check all the engine components in KM Sumber fortuna. While the damage occurred in the seawater suction pipe which had leaked in the pipe binder and replaced the leaked pipe by cutting the new pipe or hose and clamping the pipe / hose on the suction side of the heat exchanger.
The Water Quality Monitoring of Semuong River in Protected Forest Register 39, Gunung Doh Village, Tanggamus Regency, Lampung Province Yudithia Wirda Ariani; Abdullah Aman Damai; Nidya Kartini
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.7-12

Abstract

Good water quality is very important to support the sustainability of the organisms that live in it. The location of the Semuong River which is close to mining and human activities such as settlements will generally cause environmental problems such as water quality degradation. The research was to determine the Samuong river water quality based on its physical and chemical parameters. This research was conducted from November to December 2019 with sampling locations in the Semuong River and analysis done at the Environmental Laboratory of PT. Unilab Perdana. Water sampling was carried out at five stations, namely left, right, main, upstream and downstream Lunik. The results of the measurement of samples were compared with the quality standards stipulated by Lampung Regional Regulation No. 11 of 2012 and analyzed using the STORET method. The results showed that The values of several parameters were exceeded the threshold for class III water quality standards, namely BOD and COD. Based on STORET index in the first sampling has a total score of -4 which is categorized as lightly polluted, the second sampling has a total score of -16 which is categorized as moderate pollution, the third sampling has a total score of -40 which is categorized as heavily polluted, and the forth sampling has a score of 0 which is categorized as not polluted.
Comparative of the Results of the Throw-net Catch at Different Mesh Sizes in Kerinci Lake Zikri Naqsa Bandi; Lisna Lisna; Mulawarman Mulawarman
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.13-16

Abstract

Nets are a simple fishing tool which principally confines fish so they cannot escape. The mesh sizes that are often used by the people of Kerinci Lake are the mesh sizes of 2.5 inches and 4.5 inches. The research objective was to compare the catch of jala lempar with mesh sizes of 2.5 inches and 4.5 inches in Kerinci Lake. The method used is the experimental fishing method by catching 16 trips. The results showed that the catch of jala lempar with a mesh size of 2.5 inches got a catch with a weight of 53.930 kg and a total of 266 fish, while a 4.5 inch mesh size obtained a catch with a weight of 33.844 kg and a total of 51 fish. the type of fish that you get is tilapia and barau. The use of different mesh sizes on the Net fishing gear shows a significant difference (P <0.05) to the weight of the catch, at mesh size 2.5 inch, with an average catch weight of 3.371 kg while the mesh size is 4.5 inches. obtained an average catch weight of 2.111 kg. Based on this research, it can be concluded that using a 2.5 inch mesh size results in more catch than 4.5 inches in size.
Comparative Test of Ovaprim, Spawnprim, and HCG in the Process Spawning of Pangasianodon hypophthalmus Vinka Leonita; Deny Sapto Chondro Utomo; Hilma Putri Fidyandini
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.17-25

Abstract

Pangasianodon hypophthalmus is a type of freshwater fish that has potential and has economic value. Its production target which increases every year causes farmers to spawn with the help of hormonal stimulation. The aimed of this research was to test and find out the results of the use of three different hormones namely Ovaprim, Spawnprim, and HCG in P. hypopthalmus spawning. This research was conducted in January 2020 at the Trimurjo Fish Seed Center, Central Lampung. This research used a randomized complete design method with the 3 treatments, P1 (Ovaprim 0,5 ml / kg), P2 (Spawnprim 0,5 ml / kg), P3 (HCG 500 IU / kg) and 3 replications. The results of this research indicate a significant difference (p <0,05) in the relative fecundity parameters, fertilization rate, and hatching rate, but not significantly different in the parameters of latensi periode and diameter of eggs. In P1, Ovaprim hormone injections provide better reproductive performance compared to Spawnprim and HCG injections.
Identification of Pathogenic Bacteria in Cyprinus carpio Reared in Floating Cages Erikson Sahala Pardamean; Henni Syawal; Morina Riauwaty
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.26-32

Abstract

Pathogenic bacteria is disease causing microorganisms that can attack fish and can cause mass death in cultured fish. The purpose of this study was to identify the types of pathogenic bacteria Cyprinus carpio that were reared in floating cages. This study used a survey method that is purposive sampling and the fish sample were obtained from, PLTA Koto Panjang. the fishes were identified in the Fish Parasite and Disease Laboratory, Fish and Marine Faculty, University of Riau. Fish samples used were 15-20 cm goldfish totaling 12 tails with 3 times taken from 4 different cages. The kidneys organ were examined and to find out the type the bacteria. Result shown identified of pathogenic bacteria consist of 3 types of bacteria namely Aeromonas sp., Pseudomonas sp., and Edwardsiella sp. Water quality during the study was Temperature: 27-300C, pH 6-7, DO 3.67-4.28 ppm, and ammonia 0.048-0.64 mg/L.
The Effect of Different Doses of Boster Grotop in the Feed on the Growth and Survival Rate of Asian Redtail Catfish (Hemibagrus nemurus) Maintained in Peat Swamp Media Muchlisul Amal Jr; Niken Ayu Pamukas; Mulyadi Mulyadi
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.33-39

Abstract

This study aims to determine the effect of different doses of booster grotop in feed on the growth and survival of Asian Redtail (Hemibagrus nemurus) maintained in peat swamp media. This research was conducted from 27 March - 05 May 2020 at the Laboratory of Aquaculture Technology, Faculty of Fisheries and Marine, University of Riau. The container used was an aquarium measuring 60 cm x 40 cm x 40 cm as many as 15 units with a stocking density of 12 fish/60 L. This study used a completely randomized design method (CRD) one factor with five levels of treatment and three repetitions. The level of treatment applied in the study was P0 = without giving Boster Grotop (Control), P1 = dose of Boster Grotop 25 g/kg of feed, P2 = dose of Boster Grotop 30 g/kg of feed. P3 = dose of Boster Grotop 35 g/kg of feed and P4 = dose of Boster Grotop 40 g/kg of feed. The results showed that giving boster grotop with different doses in the feed had a significant effect (P<0.05) on growth but had no significant effect (P>0.05) on the survival rate of the Asian Redtail seeds. The best treatment was found at a boster grotop dose of 40 g/kg of feed, which produced protease enzyme activity (0.1731 IU/mL), total weight growth (5.11 g), total length growth (3.73 cm), specific growth rate (3.67%), feed efficiency (72.30%), feed conversion (1.38), survival rate (86.11%).
Identification of Pathogenic Bacteria from Striped Catfish (Pangasionodon hypophthalmus) kept in Aquaculture Ponds Jaya Maruli Tamba; Henni Syawal; Iesje Lukistyowati
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.40-46

Abstract

Koto Masjid Village is the largest production center in striped catfish fish farming activities in Riau Province. One of the inhibiting factors is the disease caused by bacteria, this study aims to determine the types of pathogenic bacteria that have the potential to infect striped catfish. This research was conducted in August - November 2019, samples of striped catfish used in the study amounted to 15 tails with an average length of 15-25 cm taken from 5 ponds in Kampung II, Koto Masjid Village, XIII Koto Kampar Subdistrict, and then identified bacteria by Conventional Laboratory in Fish Parasites and Diseases, Faculty of Fisheries and Marine, Riau University, Pekanbaru. This study uses a survey method that is by taking samples from the field in Pu and then the isolation of bacteria is carried out from the kidney organ in the TSB media then purified on the TSA media. The results of the study found 3 types of pathogenic bacteria namely Aeromonas sp., Edwardsiella sp., and Pseudomonas sp. Water quality during the study was pH 6.6-70, DO 4.05-4.35 mg/L, NH3 0.035-0.2 mg/L and Temperature 28-300C.
Growth Analysis of Single Cell Protein (PST) Bacteria Bacillus cereus using Different Media Mutiara Naimi Nasution; Feliatra Feliatra; Irwan Effendi
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.47-53

Abstract

The Media is a material consisting of a mixture of nutrients used by microorganisms to grow and breed. Molasses and liquid waste know one of the alternative media which has the least inexpensive carbon source and is easily obtained from the waste food industry that is rich in nutrients and minerals, so it has the potential for bacterial growth of Bacillus cereus. The consetration of molasses used for growth medium is 1%; 1.5%; and 2% while liquid waste knows 8%, 10%, and 12%. Cell growth is measured by the method of Spectrophotometry, total plate count (TPC) and biomass while the incubation period of cell growth is measured every 0, 6, 12, 18, and 24 hours. The results showed from the molasses + skim milk and the tofu liquid waste + skim milk, the best medium of bacterial cell growth of B. cereus is a liquid waste know isolates K 12%. While the best growth concentrations molasses Medium bacterial B.cereus was N2% and K2%.
Relationship of Organic Content in Sediment with Morphometric Mangrove Leaves (Rhizophora apiculata) in the West Mangrove Ecosystem, Dumai City, Riau Province Mia Audina; Sofyan Husein Siregar; Bintal Amin
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.50-57

Abstract

The damage rate of mangrove forests in Indonesia is considered as the fastest and largest in the world. The reduced density of mangroves can be influenced by the water quality and the organic matter content around the mangrove ecosystem, causing changes in the mangrove leaves both in the shape of the length and width. This study was conducted in the mangrove ecosystem in the western part of Dumai City, with the aim of determining the morphometric size of the leaves of Rhizophora apiculata and its relationship with the content of organic matter in the sediment. The method used in this study was survey method, where observations and sampling were performed directly in the field and some of samples were analyzed in the laboratory. Mangrove density obtained from the research results ranges from 1966.66 - 4700 ind/ha, organic matter content 10.88 -17.21%. The morphometric size of the leaf length varies from 13.03 - 15.05 cm, the leaf width varies from 4.65 - 5.42 cm, and the length of the petiole varies from 1.59 - 1.91 cm. There is no significant relationship between the mangrove leaf morphometric with sediment organic matter in the studied area.
Description of Erythrocytes of Striped Catfish (Pangasionodon hypophthalmus) Infected by Edwardsiella tarda Treated with Mango Leaf (Mangifera indica) Mariana Lumban Tungkup; Henni Syawal; Morina Riauwaty
Jurnal Perikanan dan Kelautan Vol. 26 No. 1 (2021): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.26.1.58-65

Abstract

This research has been carried out from November to December 2019 at the Laboratory of Parasites and Fish Diseases at the Fisheries and Marine Faculty of Riau University. The aim of the study was to obtain the best dose of mango leaf solution for the treatment of striped catfish (P. hypophthalmus) infected with E. tarda, seen from the erythrocyte picture. The method used was an experiment with a Completely Randomized Design (CRD) of a factor of five treatment levels and replications three times. Test fish used were striped catfish measuring 8-12 cm, with a total of 150 fish. The treatments used for treatment were 1000 ppm, 1200 ppm, 1400 ppm, negative controls (not infected and not treated), and positive controls (infected and not treated). Parameters measured and observed among others; total erythrocytes, hemoglobin levels, hematocrit values, erythrocyte cell morphology and survival rate. The results showed that apple mango leaf solution (M. indica) was able to treat conjoined striped catfish infected with E. tarda by Emmersion method. The best treatment of 1200 ppm is characterized by an average total erythrocyte, mean total erythrocytes 149.33 x 104 cells / mm3, hemoglobin level 9.03 g / dL, hematocrit value 35.67% and the survival of the test fish after treatment is 86.67%. The results of water quality measurements during the study, namely temperature 27.00-27.46 0C, pH 6.1-6.77, dissolved oxygen 3.53-3.87 mg/L, and ammonia 0.02 mg/L.

Page 5 of 54 | Total Record : 534

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