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
Kab. sleman,
Daerah istimewa yogyakarta
INDONESIA
Jurnal Perikanan Universitas Gadjah Mada
Published by Universitas Gadjah Mada
ISSN : 08536384     EISSN : 25025066     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Perikanan Universitas Gadjah Mada are published to promote a critical review of the various investigative issues of interest in the field of fisheries between the researchers, academics, students and the general public, as a medium for communication, dissemination, and utilization of wider scientific activities.
Arjuna Subject : -
Articles 460 Documents
 40   41   42   43   44 
Monitoring of Aquatic Environmental Factors on the Growth of Whiteleg Shrimp (Litopenaues vannamei Boone, 1931) Muhammad Akbarurrasyid; Ega Aditya Prama; Kennedi Sembiring; Meliana Anjarsari; Achmad Sofian; Wahyu Puji Astiyani
Jurnal Perikanan Universitas Gadjah Mada Vol 25, No 2 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.83813

Abstract

The environment is an important aspect and can be an indicator of the success of whiteleg shrimp culture. Stable water quality is a condition when water quality meets the requirements of growing whiteleg shrimp. This study aims to determine the aquatic environmental factors on the growth of whiteleg shrimp. There were 3 ponds observed in this research with an area of 2.000 m2, 2.500 m2, and 350 m2 respectively. The result of the research shows that the water quality of whiteleg shrimp culture is still in the feasible category. Several parameters show fluctuated results beyond optimal values such as dissolved oxygen, salinity, total ammonia nitrogen, and total organic matter. The results of the correlation test showed that all the quality parameters of whiteleg shrimp culture had varying degrees of relationship. The highest correlation level was obtained in salinity, nitrate, nitrite, ammonia, temperature, and dissolved oxygen. Water quality in each pond has a very strong relationship to the growth of mean body weight (10.31 g, 10.92 g, and 11.39 g), average daily growth (0.4142 g, 0.4971 g, and 0.3557 g), and survival rate (92.4%, 92.4%, and 92.3%).
Assessment of Brown Algae (Phaeophyceae) and Sediment Collected from Sanur Coastal Waters Based on Bioaccumulation Factors and Human Health Risks Related to Microplastic Ingestion Exposure I Made Gde Sudyadnyana Sandhika; Putu Angga Wiradana; I Gede Widhiantara; I Wayan Rosiana; Anak Agung Ayu Putri Permatasari; Ni Kadek Yunita Sari; Emanuel Maramba Hamu; Agoes Soegianto; Bambang Yulianto
Jurnal Perikanan Universitas Gadjah Mada Vol 25, No 2 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.84978

Abstract

This study aimed to analyze Microplastics (MPs) contamination in brown algae and sediments, and their bioaccumulation factors, and estimate the risk to human health associated with exposure to ingested MPs collected from the water of the Sanur Beach, Bali Province. The samples were collected from three beaches which were determined using a purposive sampling method. The mean number of MPs found in P. australis was the same on all beaches, namely 17 items/seaweed, higher than S. aquifolium on all beaches. Line-shaped MPs were dominantly found in all algae (98.76%). A high percentage of line-shaped MPs was   found in sediments at Mertasari and Semawang Beaches, but not at Sindhu Beach. The highest mean size of MPs in algae was found in P. australis at Semawang Beach, and sediments at Mertasari beach. The highest concentrations of MPs were also found in P. australis on the three coasts. The BAF value showed that the absorption of MPs in the sediment to brown algae was still low (<1). Values related to intake of brown algae consumption ranged from 190.58-1429.41 MPs item/week adjusted for calculation recommendations.
Analysis of Tambau Water Pollution Levels Through Histopathology of Nilem Fish (Osteochilus vittatus) Atifah, Yusni; Arianti, Riri Putri; Vauzia, Vauzia; Satria, Rijal
Jurnal Perikanan Universitas Gadjah Mada Vol 26, No 1 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.85043

Abstract

Tambau Lake is a lake used by the community to cultivate fish. The quality of lake waters can be reflected through animals that live in lake waters such as fish. Fish that have been polluted with pollutant compounds for a long period of time will experience structural and functional abnormalities, as well as changes in histological conditions. This study aims to determine the level of water pollution in Tambau Lake through histopathological studies of Osteochilus Vittatus gills. This type of research is a descriptive analysis using a survey method of Tambau Lake and Osteochilus vittatus. Determination of Osteochilus vittatus and water samples using purposive random sampling method. Preparation using paraffin method and hematoxylin-eosin staining. The results of the study were then analyzed descriptively based on the level of damage to the gill tissue structure with the level of water pollution. The results of histopathological analysis on Osteochilus vittatus gill samples found damage to the presence of (a) edema (cell swelling), (b) hyperplasia which causes other damage, namely (clubbing tissue shaped like a baseball bat and thickening of cartilage) and (c) secondary lamella fusion which continues to become (telangiectasis) which indicates that Tambau Lake water is experiencing moderate - severe pollution. This is also in line with simple water quality results (physical, chemical and biological tests) which showed that the level of pollution was classified as severe.
Guppy Fish (Poecilia reticulata) Behavior and Growth Are Affected by Variations in Light Color Ainanur Fauziyah Almaas; Harlita Harlita
Jurnal Perikanan Universitas Gadjah Mada Vol 25, No 2 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.85836

Abstract

This study aims to determine the effect of different colors of light on the behavior and growth of guppy fish (Poecilia reticulata). This research was conducted experimentally using a completely randomized design (CRD) with four treatments and five replications. The treatment used was treatment A with a white light color, treatment B with a red light color, treatment C with a yellow light color, and treatment D with a blue light color. The parameters observed were growth in absolute weight, fish behavior, and water quality (temperature and pH). Data analysis with One Way Anova and further test with LSD using SPSS 25. Based on the statistical hypothesis test with One Way ANOVA showed F count (3.828) > F table (3.24) 5% level for guppy fish growth parameters so that the results are the effect of different light colors on the growth of guppy fish in each treatment. Fish behavior in all treatments gave a positive phototaxis response. The quality of the water in the experimental medium was within acceptable limits for guppy fish cultivation, 26-28°C for water temperature and 7 for the degree of acidity (pH) of water.
Effect of Maggot‒Tofu Dreg Mixed Flours with Addition of Lysine on Formulation of Fish Feed to Accelerate the Growth of Tilapia (Oreochromis niloticus) Akbar Rahmatullah; Vita Paramita; Daffa Ikhlasul Amal; Hermawan Dwi Ariyanto
Jurnal Perikanan Universitas Gadjah Mada Vol 25, No 2 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.85977

Abstract

Maggot flour, which contains high protein has potential in the development of fish feed. The focus of this study was to investigate the formulation of fish feed based on mixed flours (maggot and tofu dregs flours) with the addition of lysine to improve feed quality and feeding efficiency. The Pearson Square Method (PSM) was used in the formulation process of fish feed with a total protein target of 35%. The formulated fish feed was applied on tilapia fish (Oreochromis niloticus). The fish weight and ammonia levels in the water were also measured to determine the effect of fish feed on water quality. The highest protein content (33%) was obtained from ratio of mixed flours of 3:1 (%(w/w)). The highest floatability value of fish feed was 194±2 sec. The optimum results for fish growth were obtained from mixed ratio of maggot flour and tofu dregs of 3:1 % (w/w). with the addition of 2 % (w/w) of lysine. The optimal growth rate of fish was 0.041 g·day-1 after 30 days of the experiment. While the level of ammonia in the water was not affected by the fish feed formulation or the addition of lysine in the fish feed. Thus, the amino acid lysine greatly influences the feed conversion ratio and specific growth rate so that it has the potential to accelerate the growth of tilapia.
Effect of Clove Oil Addition on Edible Coating and Film on Bacterial Activity in Skipjack Fish Fillets Souhoka, Fensia Analda; Kapelle, Imanuel Berly Delvis; Lilipaly, Reggi Austin
Jurnal Perikanan Universitas Gadjah Mada Vol 26, No 1 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.86946

Abstract

Using bioactive compounds in environmentally friendly food packaging can extend the shelf life of food. This study aimed to determine how adding clove oil in manufacturing edible coatings and chitosan films affects bacterial activity in skipjack tuna fillets. Edible coatings and films made from 1% chitosan were prepared by adding clove oil with a concentration of 1; 2; 3; 4; and 5%. The edible solution was applied to the skipjack tuna fillets using two packaging techniques: edible coating by immersing the sample for two minutes and edible film by wrapping the sample. The microbial activity test was carried out using the total plate count (TPC) method a microbiological test to count the number of live cells or colony-forming units in food. The maximum number of bacterial colonies using the TPC test based on SNI 01-2332.3-2006 for fishery products is 1.0x105 colonies/g. The number of bacterial colonies in the edible coating sample was 1.9x103–2.4x104 CFU/g, while the edible film sample was 1.8x104–2.4x105 CFU/g. Adding clove oil affected the TPC value compared to the untreated chitosan edible. Using bioactive compounds in environmentally friendly food packaging can extend the shelf life of food. The number of edible coating colonies on adding 1% clove oil was 5.8x103 CFU/g, lower than edible film 4.1x104 CFU/g and complying with SNI. Applying an edible coating on skipjack tuna fillets with 1-5% clove oil is better than using edible film regarding the TPC value.
Population Genetic of Kawakawa (Euthynnus affinis) in Sumatera Island Zedta, Raymon Rahmanov; Maduppa, Hawis H; Zamani, Neviaty Putri; Subhan, Beginer; Sani, Lalu Mukhsin Iqbal
Jurnal Perikanan Universitas Gadjah Mada Vol 26, No 1 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.87578

Abstract

Over the past five decades, there has been a growing trend in the capture of kawakawa (Euthynnus affinis), which, alongside its potential to support small-scale commercial fisheries, highlights its significance.However, there is inadequate data on this species for suitable management and conservation status. This study aimed to investigate the genetic diversity, population structure, and connectivity of the kawakawa in the three major fishing port in Sumatra, namely Belawan , Padang, and Lampung by using DNA mitochondria control region (d-loop) Sequence. In total, 78 sequences of kawakawa with an average size of 303 bp, we found 36 polymorphic sites and 56 haplotypes from all population were identified with DNA compatibility values of 97-100%. We found the genetic diversity values in Sumatera Island were high (h = 0.950; π = 0.034), with the highest genetic diversities value in Padang (h = 0.990; π = 0.082) and the lowest in Belawan (h = 0.929; π = 0.082). AMOVA and Fst analyses revealed no differentiation in each population (Fst = 0.005). The haplotype distribution and connectivity analyses showed genetic mixing among the three populations. This study showed a single stock at the study sites and suggests management measures at a regional level to maintain the population.
Analysis of Carbon Sequestration Rate in Seaweed (Kappaphycus alvarezii) Based on Environmental Mitigation Muhammad Sahir; Isma Riskiani; Uttari Dewi; Muhammad Yusfi Yusuf
Jurnal Perikanan Universitas Gadjah Mada Vol 25, No 2 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.89967

Abstract

Blue economy is a development concept that develops by relying on marine or aquatic resources. An increase in carbon dioxide (CO2) in the atmosphere is fueling climate change. This study aims to analyze the rate of carbon uptake in the waters, using seaweed Kappaphycus alvarezii which utilizes carbon to be converted into biomass before returning to the air. The results showed that highest carbon absorption rate was found in location A with the highest total carbon absorption of 94.87±0.77 tons C/planting cycle, then treatment B with 83.96±0.54 tons C/planting cycle, and the lowest in treatment C with 76.88±0.18 tons C/planting cycle. Water quality parameters are still mostly in decent condition for the cultivation of Kappaphycus alvarezii seaweed. Salinity conditions of waters are relatively high (35-39 ppt) even though the optimum seaweed grows in the range of 30-34 ppt. The conclusion of the study is that the highest total carbon is found at Location A, which is 94.87±0.77 tons C/planting cycle. The suggestion of this study is that it is necessary to analyze the suitability of seaweed cultivation land with various water quality parameters, so that mapping of potential types of seaweed that can be cultivated according to the characteristics and quality of the waters.
The Effect of Salinity on the Growth and Albumin Content of Striped Snakehead (Channa striata Bloch, 1793) Herlina, Sri; Ndobe, Samliok; Mangitung, Septina Fifi; Masyahoro, Abdul; Rukka, Andi Heryanti; Madinawati, Madinawati
Jurnal Perikanan Universitas Gadjah Mada Vol 26, No 1 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.90616

Abstract

The striped snakehead (Channa striata Bloch, 1793) is a freshwater fish which has long been popular as a food fish. Commonly found in freshwater bodies such as rivers, swamps and lakes, striped snakeheads have a high albumin protein content which can help to accelerate wound healing, facilitate the circulation of body fluids and maintain osmotic pressure in the body. Salinity is one of the limiting factors that can affect fish growth and survival. Changes in salinity could directly affect striped snakehead growth and metabolism. The purpose of this study was to determine the effect of different salinity treatments on the growth and albumin content of juvenile striped snakeheads. The research was conducted in November-December 2021 at the Water Quality and Aquatic Biology Laboratory, Faculty of Animal Husbandry and Fisheries, Tadulako University, Indonesia. The study applied 5 salinity treatments (2 ppt, 4 ppt, 6 ppt, 8 ppt and 10 ppt) with 8 replicates for 30 days. Net weight gain, specific growth rate (weight and length) and survival rate did not differ significantly between treatments (ANOVA, P>0.05). The Tukey post-hoc test indicated significantly higher growth under the 8 ppt salinity treatment (1.04±0,19 cm) with 100% survival rate. Albumin content increased linearly with salinity from 2 ppt (3.6-4.0%) to 10 ppt (4.9-5.3 %).
Machine Learning-Driven Seaweed Genera Identification on a Web Application Using Teachable Machine Azhar, Riza Nur; Yudiati, Ervia; Sedjati, Sri
Jurnal Perikanan Universitas Gadjah Mada Vol 26, No 1 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.92955

Abstract

This study aims to evaluate the use of machine learning technology, particularly Teachable Machine, in identifying seaweed genus in Indonesia. The limitations of identification databases and the lack of previous research were the main drivers of this study. The research focused on Panjang Island with three representative field data collection stations. This field data became the basis for training machine learning models for identification. In addition to field data, information from the literature on seaweed visual characteristics was also taken to support the identification process. The machine learning model developed achieved 99.42% accuracy in identifying 13 classes of 9 seaweed genus. The implementation of the model on the web application showed satisfactory responsive performance, including in the speed test on Google PageSpeed. Overall, the integration of machine learning technology in a web application platform provides a practical solution for accurate and accessible seaweed identification. This invention has great potential in supporting research, conservation, and sustainable utilization of marine resources in Indonesia.

Page 42 of 46 | Total Record : 460

 40   41   42   43   44 

Filter by Year

1996 2025


Reset
Filter By Issues
All Issue Vol 27, No 2 (2025) Vol 27, No 1 (2025) Vol 26, No 2 (2024) Vol 26, No 1 (2024) Vol 25, No 2 (2023) Vol 25, No 1 (2023) Vol 24, No 2 (2022) Vol 24, No 1 (2022) Vol 23, No 2 (2021) Vol 23, No 1 (2021) Vol 22, No 2 (2020) Vol 22, No 1 (2020) Vol 21, No 2 (2019) Vol 21, No 1 (2019) Vol 20, No 2 (2018) Vol 20, No 1 (2018) Vol 19, No 2 (2017) Vol 19, No 1 (2017) Vol 18, No 2 (2016) Vol 18, No 1 (2016) Vol 17, No 2 (2015) Vol 17, No 1 (2015) Vol 16, No 2 (2014) Vol 16, No 1 (2014) Vol 15, No 2 (2013) Vol 15, No 1 (2013) Vol 14, No 2 (2012) Vol 14, No 1 (2012) Vol 13, No 2 (2011) Vol 13, No 1 (2011) Vol 12, No 2 (2010) Vol 12, No 1 (2010) Vol 11, No 2 (2009) Vol 11, No 1 (2009) Vol 10, No 2 (2008) Vol 10, No 1 (2008) Vol 9, No 2 (2007) Vol 9, No 1 (2007) Vol 8, No 2 (2006) Vol 8, No 1 (2006) Vol 7, No 2 (2005) Vol 7, No 1 (2005) Vol 6, No 2 (2004) Vol 6, No 1 (2004) Vol 5, No 2 (2003) Vol 5, No 1 (2003) Vol 4, No 2 (2002) Vol 4, No 1 (2002) Vol 3, No 1 (2001) Vol 1, No 1 (1996) More Issue