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Journal of Aquaculture Science
Published by Universitas Airlangga
ISSN : 25500910     EISSN : 25794817     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal of Aquaculture Science (JoAS) merupakan media pertukaran informasi dan karya ilmiah pada bidang Akuakultur meliputi teknik budidaya, teknologi, reproduksi dan penyakit ikan pada budidaya. Secara umum, Journal of Aquaculture Science menerima artikel hasil penelitian review artikel dan komunikasi singkat. Journal of Aquaculture Science terbit 2 kali dalam setahun (April dan Oktober).
Arjuna Subject : -
Articles 212 Documents
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Mangrove Species Diversity in Coastal Village swollen Banyuwangi Regency Yanuar Rustrianto Buwono
Journal of Aquaculture Science Vol 4 No 2 (2019): Journal Of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v4i2.70

Abstract

The Bengkak coastal area is one of the coastal areas which is a marine fishery activity with a natural mangrove ecosystem of ± 9 ha bordered by reed mangrove and opposite to TN West Bali mangrove. Environmental pressure with the presence of human activities such as the extraction of mangrove wood causes the growth and development of mangroves not optimal and affects the potential of mangrove ecosystems so research needs to be done to determine the diversity of mangrove ecosystems on the coast of Bengkak Village, Banyuwangi District. Observations in the whole mangrove ecosystem have low species diversity criteria, namely H 'ranging from 0.20 - 0.67 and dominated by A. marina species from the families Avicenniaceae and R. mucronata from the family Rhizophoraceae. While the density of species in all observation stations found that mangrove stands ranged from 967 - 82,000 Ind / Ha. The density of A. marina mangrove vegetation was identified as the highest in the seedling phase of 7,500 Ind / Ha, the sapling phase was 74,000 Ind / Ha and the tree phase was 567 Ind / Ha. The lowest type of R. mucronata was identified in the seedling phase of 5,000 Ind / Ha, sapling phase of 8,000 Ind / Ha and tree phase of 400 Ind / Ha. Environmental factors in the form of nutrients such as leaf litter and the quality of the aquatic environment also influence the growth and development of mangrove ecosystems. environmental conditions in the mangrove zone have the texture of sandy soil and sandy mud, temperatures range from 23 - 33 °C, pH ranges from 7 and salinity ranges from 23 - 36 "°. These environmental conditions support the growth and development of the species of mangrove Avicennia sp. and Rhizopora sp. so that it is dominant and spreads on the coast of Bengkak Village.
Virus Detection of Pacific White Shrimp (Litopenaeus vannamei) at Fish Quarantine Center, Quality Control, and Security of Fishery Product in Surabaya I Aulia Azizah; Darmawan Setia Budi; Arif Habib Fasya; Hapsari Kenconojati; Muhammad Hanif Azhar
Journal of Aquaculture Science Vol 4 No 2 (2019): Journal Of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v4i2.71

Abstract

Pacific white shrimp (Litopenaeus vannamei) is one of the leading fisheries commodities that have important economic value and are in great demand by consumers in the market. Pacific white shrimp has several advantages, namely rapid growth, able to adapt to a high range of salinity, and can be cultured with a super intensive system, but in recent years the total shrimp production in Indonesia has decreased. In 2012 the total shrimp production decreased from 1.900 tons to 1.025 tons, the virus is thought to be a pathogen that triggers disease in shrimp and causes high mortality. The type of virus that causes disease in pacific white shrimp cultivation is Taura Syndrome Virus (TSV), Infectious Myonecrosis Virus (IMNV), and White Spot Syndrome Virus (WSSV). The purpose of this study is to detect viruses that infected and determine the prevalence of viruses that attack pacific white shrimp. The research was conducted in December 2018 to January 2019 at Fish Quarantine Center, Quality Control and Security of Fishery Product Surabaya I. The material used in the study was 37 post larval samples. Samples extracted using Silica Extraction Kit, then detected molecularly using PCR (Polymerase Chain Reaction). This research was observational, then the data obtained were analyzed descriptively. The results showed that there were 3 positive samples of IMNV and 2 positive samples of WSSV with prevalence values of 8.10% and 5.40%. High and low prevalence values are influenced by the level of virus spread and inappropriate environmental conditions. Keywords : Pacific white shrimp, PCR (Polymerase Chain Reaction), prevalence, virus. 
The Addition of Mangrove Leaf Extract Rhizophora apiculata in White Shrimp (Litopenaeus vannamei) for Vibriosis Prevention Nur Fadillah; Saptono Waspodo; Fariq Azhar
Journal of Aquaculture Science Vol 4 No 2 (2019): Journal Of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v4i2.75

Abstract

White shrimp is a brackish water commodity which is a solution to approve tiger shrimp (Penaeus monodon) which improves quality. One of the challenges in the cultivation of white shrimp is the attack of vibriosis, caused by the vibrio genus species V. parahaemolyticus. Rhizophora apiculata mangrove leaf extract with different dosages in white shrimp feed to increase vibriosis. Shrimp were given mangrove leaf extract for 40 days and were challenged for 7 days in a 40cm x 30cm x 28cm container, 20 heads/20 liter volume container. The study was conducted in 5 training, control + (Feed without extract + Infection), control- (feed without extract), P3 (0,5% + Infection), P4 (1% extract + Infection), P5 (2% extract + Infection ), the injected bacterial dose is 0.1 ml/heads density of 106 cfu/ml. The results showed that administration of mangrove leaf extract at a dose of 2% was able to maintain SR of 76,67%, increasing shrimp THC by 7,55í—106 cells/ml and DHC (hyaline cells 84,3% and granular 15,3%) which plan in the shrimp immune system. The number of bacteria and the amount of vibrio in the intestine is, 64,7í—108 cfu/ml and 16í—108 cfu/ml. Based on the results of the study, the use of mangrove leaf extract can be used in the cultivation of white shrimp as an immunostimulant because it can increase survival, THC, DHC and reduce bacteria in the intestines of white shrimp.Keywords: extracts, mangrove leaves, vibriosis, white shrimp, feed.
Bacterial Identification on Freshwater Fish Commodities at Fish Quarantine Center, Quality Control and Security of Fishery Products Surabaya I Nanik Ning Rahayu; Prayogo Prayogo; Mohammad Faizal Ulkhaq; Hapsari Kenconojati
Journal of Aquaculture Science Vol 4 No 2 (2019): Journal Of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v4i2.76

Abstract

The potential of freshwater fish cultivation in Indonesia is very large and is increasing every year. The high potential of freshwater and ornamental fisheries commodities and consumption must be developed through domestic and export marketing. The distribution carries the risk of entering and spreading fish pests and diseases, so is it required identification or quarantine is needed to avoid negative impacts from the distribution of fishery commodities. One of the infectious diseases which is known to attack fishery commodities in Indonesia is bacterial disease. Bacteria can cause high mortality in fish and loss for farmers. The purpose of this study is to identification bacteria in freshwater fish commodities. The study was conducted in December 2018 - January 2019 at the Fish Quarantine Center, Quality Control and Safety of Fisheries Products in Surabaya I. Identification of bacteria in this study using conventional methods. The parameters observed were external clinical symptoms that appeared on the body of the fish and internal pathology. The material examined in this study were The samples examined during Field Work Practices were Goldfish, Catfish fry, Common carp, and Koi fish with a total of 64 samples. This research was observative, then the data obtained were analyzed descriptively. The Result bacteria identified in freshwater fish commodities from 64 samples were dominated by Aeromonas hydrophila, Pseudomonas anguilliseptica, Streptococcus sp., Plesiomonas shigelloides, and Micrococcus sp.Keywords : Freshwater fisheries commodities, Bacteria, The Conventional Method
Effect of Different Culture Containers to Cell Densities of Nitzschia in Laboratory Scale Mohammad Faizal Ulkhaq; Yeni Dwi Kharismawati; Arif Habib Fasya
Journal of Aquaculture Science Vol 4 No 2 (2019): Journal Of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v4i2.77

Abstract

The study aimed to determine the type of culture container for increasing the cell density of Nitzschia and producing the hightly cell biomass. The stages of this study were sterilization of containers and media, making diatom fertilizers and agar media, culture of Nitzschia in agar medium, culture of Nitzschia in test tube, and culture of Nitzschia in glass and plastic containers. The result showed that the cell density of Nitzschia cultured in the glass container was higher than plastic containers. Further study was needed to determine the nutrient composition of Nitzschia that culture in glass containers.Keyword : Nitzschia culture, Laboratory scale, Glass, Plastic container.
(Short Communication) Study of the Hatchery of Tiger Grouper (Epinephelus fuscoguttatus) Household Scale in Penyabangan Village, Gerokgak District, Buleleng Regency, Bali Province Muh Sulaiman Dadiono; Liga Insani
Journal of Aquaculture Science Vol 5 No 1 (2020): Journal of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v5i1.82

Abstract

Hatchery of tiger grouper (Epinephelus fuscogutattus) household scale is one of the contributors to the increase in national grouper seed production. with the hatchery of household-scale grouper, the demand for grouper seed can be fulfilled as well as improving the community's economy. This study aims to determine the hatchery of household-scale tiger grouper which includes the provision of feed, hatching eggs, water quality management, harvesting, Hatching Rate (HR) and Survival Rate (SR). Data collection methods by interview, observation and active participation. Observation results related to seeding began with the provision of natural food to harvest the seeds measuring 2.7-3 cm. Hatching Rate (HR) reaches 80% and Survival Rate (SR) reaches 20%. The seeds produced were 120,000 per cycle. Seed yields are 24,000 per cycle.Keyword : Hatchery, Tiger Grouper, Epinephelus fuscogutattus, Household Scale
Response of Neem Leaves Azadirchta indica Extract Immune System of (Oreochromis niloticus) Lutfi Hamzan Wari; Ayu Adhita Damayanti; Fariq Azhar
Journal of Aquaculture Science Vol 5 No 1 (2020): Journal of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v5i1.83

Abstract

Tilapia (Oreochromis niloticus) is a species of freshwater fish that is widely cultivated in areas that have a large quantity of fresh water. In the cultivation of tilapia fish are often infected by fish diseases which not infrequently thwart the growth and survival of fish resulting in death of fish that are cultivated (crop failure). This study aims to analyze the response of giving neem leaf extract (Azadiracta indicida) to the immune system and growth of tilapia. The fish were given neem leaf extract which was added to the feed for 45 days in 54cm x 37cm x 29cm containers each with 10 heads / container with a volume of 20 liters. The study was conducted in 5 treatments, control + (commercial feed and infected by Aeromonas hydrophila 106 cfu / ml as much as 0.1 ml / head), control - (commercial feed of bacterial infection), P1 (feed mixed with 0.5% extra neem leaves and infected with bacteria ), P2 (1% extracted and infected), P3 (2% extracted and infected). The results showed that administration of neem leaf extract at a dose of 1% was able to maintain SR by 100%, increasing the number of erythrocyte tilapia by 15.0 í— 105 cells / ml and leukocytes by 15.0 í— 104 cells / ml and hemoglobin by 6.0 % of the total blood cells contained in P4 that play a role in the immune system of tilapia. Based on the results of this study, neem leaf extract can be used in tilapia aquaculture as an immunostimulant because it can improve survival, red blood cells, white blood cells and hemoglobin.Keyword : Extract neem leaves, Aeromonas hydrophila, Tilapia, Feed.
Density of Tetraselmis sp. Cultured in Carboy Media with Different Nutrients Chelsey Violeta Christya Archadia Cheres; Novia Salmatin; Lailatul Lutfiyah
Journal of Aquaculture Science Vol 5 No 1 (2020): Journal of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v5i1.84

Abstract

Feed is the key to success in aquaculture, because it affects the resistance and development of larvae. There are two types of feed given to fish, namely artificial feed and natural feed. One type of natural feed that can be used as an enhancer for aquaculture feed needs is Tetraselmis sp.. So that practice is needed to learn, understand and practice directly the Tetraselmis sp. Natural feed culture techniques. laboratory scale. This research was held at the Brackish Water Aquaculture Center (BBPBAP) Jepara, Central Java for 46 days starting on December 17, 2018 until January 31, 2019. The culture technique consists of several stages including the preparation of tools and equipment, sterilization, fertilizer making, media preparation, calculation of inoculants, nutrition, seedling and maintenance. Based on observations for 16 days, Tetraselmis sp. has four growth phases consisting of adaptation, exponential, stationary and death phases. Tetraselmis sp. experienced the highest density on the tenth day with an average of 109.87 x 104 cells / ml. This shows that the growth of Tetraselmis sp. long enough than other species. After experiencing the exponential phase, Tetraselmis sp. experienced a stationary phase for 3 days and subsequently decreased density to reach 65.22 x 104 cells/ml on the sixteenth day.Keyword : Tetraselmis, Phytoplankton, Culture Technique
Relation between age and fecundity of giant gouramy (Osphronemus gouramy) Arif Habib Fasya; Hilda Nabila
Journal of Aquaculture Science Vol 5 No 1 (2020): Journal of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v5i1.85

Abstract

The need for gouramy (Osphronemus gouramy) continues to increase, this can be seen from the gouramy trade which has begun at the egg stage, so research is needed that affects the number of eggs (fecundity) of the gouramy parent. In this study aims to determine the relationship between age and fecundity of gouramy. The research method used is comparative descriptive. Main gouramy fish is divided into 3 based on their age, pond A is 2.5 years old, pond B is 4 years old and pond C is 8 years old. Observations were made by taking eggs from the nest in each pond then counted manually. The observations showed that the parent who was 4 years old had the highest level of fecundity.Keyword : Age, Fecundity, Osphoronemus gourami
Morphology and Sequencing of Myxobolus koi DNA that Infects Koi fish (Cyprinus carpio) in Blitar Regency Rachmat Noer Soelistyoadi; A.D. Nurekawati; D. Setyawati
Journal of Aquaculture Science Vol 5 No 1 (2020): Journal of Aquaculture Science
Publisher : Airlangga University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31093/joas.v5i1.89

Abstract

Myxobolus koi is a type of myxospore parasite that infects many fresh ornamental fish, this disease is also called myxobolusis. Currently there are 29 species of Myxobolus that have been identified to infect Cyprinus carpio, with 17 of them infecting gills, so it will be difficult to determine the type of Myxobolusis. This study aims to identify Myxobolus species that infect Cyprinus carpio koi fish based on conventional and molecular analysis. Myxobolus spores obtained from Blitar Regency microscopically have spores length of 11-14 μm with an average of 12.82 ± 0.75 μm and width of 7-8 μm with an average of 7.09 ± 0.84 μm, while the size capsules have a length of 7-8 μm with an average of 7.36 ± 0.497 μm and a width of 2-3 μm with an average of 2.64 ± 0.49 μm n = 10. Electrophoresis results of clinically infected fish Myxobolus koi appeared band (band) at 2000 bp, sequencing DNA Myxobolus koi parasites that infect koi fish (Cyprinus carpio) in Blitar have the highest similarity (percent identity) with the sample code KT.240127.1, namely on Myxobolus koi which infects Rainbow trout (Oncorhynchus mykiss) in Southwest China. The closest genetic distance of the Myxobolus koi blitar sample to the Myxobolus koi sample in koi fish (Cyprinus carpio) with sample code FJ841887.1 and Myxobolus koi in rainbow trout (Oncorhynchus mykiss) with sample code KT240127.1. at the same value 0.273.Keyword : Myxobolus koi, koi (Cyprinus carpio), PCR, Sequencing.

Page 13 of 22 | Total Record : 212

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