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Journal of Aquaculture and Fish Health
Published by Universitas Airlangga
ISSN : 23017309     EISSN : 25280864     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The Journal of Aquaculture And Fish Health (JAFH) has an objective to publish and provide high-quality scientific contributions to the field of fisheries. These contributions came from innovative researches that encourage science and technology development in the field of fisheries and marine science on a national and international scale. This journal serves as a communication medium for researchers, academics, students, and communities.
Arjuna Subject : -
Articles 331 Documents
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Oxygen Consumption of Litopenaeus vannamei in Intensive Ponds Based on the Dynamic Modeling System Abdul Wafi; Heri Ariadi; Abdul Muqsith; Mohammad Mahmudi; Mohammad Fadjar
Journal of Aquaculture and Fish Health Vol. 10 No. 1 (2021): JAFH Vol 10 No. 1 February 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i1.18102

Abstract

In intensive shrimp culture, oxygen consumption of shrimp is an important indicator that greatly affects the physiological condition of shrimp as a reared organism. The purpose of this study was to dynamically determine the oxygen consumption of shrimp in intensive culture as well as the variables of water quality and shrimp growth. This research was conducted with the concept of ex-post facto causal design in intensive aquaculture ponds during the shrimp cultivation period. During the shrimp culture period, the rate of oxygen consumption of shrimp is inversely related with the  sigmodial average increase in shrimp body weight. Meanwhile, based on the simulation analysis with the dynamic modeling concept, it is shown that oxygen consumption was linear to the dynamics of  average daily gain and inversely proportional with the increasing rate of shrimp biomass in the ponds. In addition, oxygen consumption rate of shrimp in intensive ponds had a close relationship with water salinity and total organic matter. In conclusion, dynamically, the fluctuation of oxygen consumption rate and average daily gain of shrimp in intensive culture are closely related to the stability of the water quality conditions on the shrimp habitat.
Preleminary Study: The Effects of Different Cryoprotectants on Damage and Hatching Rates of African Catfish (Clarias gariepinus) Akhmad Taufiq Mukti; Septuresty Hartri Eka; Woro Hastuti Satyantini; Ahmad Shofy Mubarak
Journal of Aquaculture and Fish Health Vol. 9 No. 3 (2020): JAFH Vol. 9 No. 3 September 2020
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v9i3.16562

Abstract

This study was aimed to observe the effects of different cryoprotectants in embryo cryopreservation on damage and hatching rates of African catfish (Clarias gariepinus) embryo. The gastrula-staged embryos were treated 5% (v/v) solutions concentration of dimethyl sulfoxide (DMSO), propylene glycol (PG), honey, and combined cryoprotectants, respectively and preserved at temperatures of 4 and 0ºC for 30 min, 1 h, 2 h, 3 h, 4 h, 5 h, and 6 h, respectively. Thawing of embryos was conducted in freshwater at a temperature of 28ºC. Then, the embryos were incubated in the aquaria at 28ºC temperature. The result showed that the different cryoprotectants in gastrula-staged embryo cryopreservation affect damage and hatching rates of African catfish embryos at different length of preservation. The percentage of catfish embryo damage increases with different length of preservation and the storage temperature. A combination of DMSO-honey and PG-honey has the lowest damage percentage and the highest hatching rate of catfish embryo compared to other treatments (p<0.05).
Modeling of a System Dynamics of Fisherman Insurance Demand in Malang District Lina Asmara Wati; Riski Agung Lestariadi; Supriyadi Supriyadi
Journal of Aquaculture and Fish Health Vol. 10 No. 2 (2021): JAFH Vol. 10 No. 2 June 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i2.23082

Abstract

Fisherman Insurance Premium Assistance is applied to all coastal areas in Indonesia. In Malang Regency, it just started in 2016 through JASINDO, so many fishermen still do not fully understand the benefits against possible risks. Therefore, it is necessary to study the dynamics of the fisherman insurance system focusing on producing a model of insurance demand and the projection of the demand and growth of fisherman insurance in the future. The method used in this research was a series of system dynamics modeling. The results of the validity test in this study indicate the mean comparison and error variance is the following: fisherman insurance program = 4.8% and 6.01%; fishermen’s value = 4.0% and 21.55%  and premium assistance = 3.9% and 12.17%. Moreover, the structural and parametric scenario analysis results show the average value of the increase in tourists: Scenario 1 - Structural: Premium assistance = 602 fishermen, Scenario 2 - Structural: 394 fishermen, Parametric Scenario 1 - Optimistic = 578 fishermen, Parametric Scenario 2 - Most Likely = 289 fishermen, and Parametric Scenario 3 - Pessimistic = 201 fishermen. However, the projection of the demand for fisherman insurance in 2021-2029 has not shown the expected results. The largest number of demands is 421 and the smallest is 321 in 2026. Moreover, after several simulations, the study found the most possible simulation to be carried out and to have a significant, stable effect on the results desired by the government, which is through premium assistance. If at least insurance premium assistance of Rp. 118,000x109 can be given annually, it will be able to generate a fisherman insurance demand at a minimum of 500.
Productivity of Vannamei Shrimp Cultivation (Litopenaeus vannamei) in Intensive Ponds in Tegal City, Central Java Province Muchtar Muchtar; Mochammad Farkan; Mugi Mulyono
Journal of Aquaculture and Fish Health Vol. 10 No. 2 (2021): JAFH Vol. 10 No. 2 June 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i2.18565

Abstract

The failure of tiger shrimp (Penaeus monodon) farming could make farmers stop their cultivation activities. As an alternative, vannamei shrimp cultivation gives hope for productive, profitable, and sustainable cultivation. The development of shrimp farming in Tegal City is carried out through simple methods, intensive technology, and the use of Busmetik technology or mini-scale shrimp farming on plastic ponds. The high demand in the shrimp market continues to encourage farmers to increase their productivity by increasing stocking density. The purpose of this study is to determine the performance of vannamei shrimp cultivation which is cultivated intensively including yields, survival rate (SR), feed conversion ratio (FCR), and shrimp growth in Tegal City, Central Java Province. The research was conducted from July to October 2019. The research method used was a case study with 16 plots of ponds, and the average area of the pond was 1000 m². Based on the results of the calculation, it can be seen that the average yield is 1,603 kg per pond with a stocking density of 100 fish/m², a survival rate (SR) is 85.6%, a feed conversion ratio (FCR) is 1.41 and the shrimp growth is 0.16 grams per day. Economically, based on the Benefit-Cost Ratio (B/C ratio) of 1.46, vannamei shrimp cultivation in Tegal City is profitable so that shrimp farming can be carried out sustainably.
Analisis Scanning Electron Microscopy pada Nacre Sinanodonta (Anodonta) woodiana (Lea, 1834) Ockstan Jurike Kalesaran; Cyska Lumenta
Journal of Aquaculture and Fish Health Vol. 10 No. 1 (2021): JAFH Vol 10 No. 1 February 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i1.19567

Abstract

Chinese pond shell, Sinanodonta (Anodonta) woodiana (Lea, 1834), is a freshwater bivalve that has essential ecological and economic functions. The microstructure of the nacre is of great interest and is the main attraction for the development of pearl farming. This study aims to describe the microstructure and composition of biomineral elements of the nacre at several shell sizes of S. woodiana. The shell is cut with a small forcepon the ventral margin with a size of 3-5 mm for Scanning Electron Microscpy (SEM). SEM images display that a shell layer consists of periostracum, prismatic and nacre layers. The surface of the nacre layer is an irregular or labyrinth patterned. The nacre tablets are hexagonal, glued to each other, so the nacre tablets become polygonal. Moreover, the microstructure of the nacre tablets is like a brick wall, and the thickness of tablets from 0.43 μm to 0.59 μm. The composition of the biomineral elements are C, O, Ca, and the mineralization mechanism is under the control of aquatic environmental factors that help the process of microstructure formation in nacre.
The Use of Crude Fish Oil (CFO) in Vannamei Shrimp (Litopenaeus vannamei) Feed on EPA and DHA Contents Januar Hadi Prasetyo; Agustono Agustono; Widya Paramitha Lokapirnasari
Journal of Aquaculture and Fish Health Vol. 9 No. 3 (2020): JAFH Vol. 9 No. 3 September 2020
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v9i3.18038

Abstract

Omega-3 fatty acids (Alpha-linolenic acid) and omega-6 fatty acids (Linoleic acid) are a group of essential fatty acids. Essential fatty acids are fatty acids that cannot be synthesized by the body so that must be supplied from the diet. One of the sources of essential fatty acids is derived from fish oil. This study aims to determine the effect of Crude Fish Oil (CFO) in the feed to EPA and DHA content in penaeid shrimp meat. The research method used was a completely randomized design. The treatments used are the varying content of Crude Fish Oil (CFO), which are P0 (0%), P1 (2%), P2 (4%), P3 (6%), and P4 (8%). The results of the study showed significant differences (p <0.05) on the content of EPA and DHA in penaeid shrimp meat. The highest content of EPA and DHA found in P4 treatment (8%) and the lowest at P0 treatment (0%). The use of CFO in penaeid shrimp feed need further study related to the growth of shrimps and prawns reproductive cycle to increase the productivity of penaeid shrimp. CFO on feed should be used at a dose of 6%.
Asian Clam (Corbicula fluminea) Larvae Production in Broodstock Conditioning Hadiana Hadiana; Aweng Eh Rak; Lee Seong Wei; M. Zharif
Journal of Aquaculture and Fish Health Vol. 9 No. 3 (2020): JAFH Vol. 9 No. 3 September 2020
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v9i3.16497

Abstract

Nowadays, the inclining of Asian clam market demand for supplying the seller Etak in some areas in Malaysia particularly Kelantan where etak had become the main concern due to the stock availability in the natural population was over-exploited. Thus, an effort to expedite the availability seed of Etak must be initiated to conserve the Asian clam population in their habitat. Until now, the information about production larvae is needed to begin the domestication process. The scientific goal aims to evaluate the best time to produce Asian clam larvae to supply the hatchery production process. To answer this question, the evaluation of broodstock conditioning adult Corbicula fluminea monthly during a year and this condition was compared into the fine sand sediment as well as no sediment. The results showed that the Asian clam adult pattern released larvae monthly during a year wherein the great number larvae were produced 22464 Ind/L totally in December and the produced larvae in Oct and Nov was almost similar with range 22350-22500 Ind/L. The condition index with fine sand sediment was 3.8419 % higher than the control treatment 3.5750 %. And last, the ingestion rate both treatment was 1.126 ± 0.534 μg/h and control treatment 1.609± 0.434 μg/h.
Effect of Sodium Chloride Concentration on Aeromonas hydrophila, Proximate and Organoleptic Analyses in Catfish (Clarias sp.) Flesh Dian Wahyu Wardani; Abdul Mulki Purnama; Hartati Kartikaningsih; Abdul Aziz Jaziri
Journal of Aquaculture and Fish Health Vol. 10 No. 2 (2021): JAFH Vol. 10 No. 2 June 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i2.20811

Abstract

Intensive aquaculture on catfish (Clarias sp.) has been getting problem due to pathogenic bacteria such as Aeromonas hydrophila. Fish infected by A. hydrophila would bear various symptoms, including hemorrhagic on the skin, gills, ulcers, and pale skin color. To tackle this situation, salt (sodium chloride) treatment with different concentrations can be used, which acts as both bactericidal and bacteriostatic agents. This study aimed to determine the effect of different salt concentration (viz. 0%, 5%, 10% and 15%) added in the treated samples by evaluating the availability of pathogenic bacteria using total plate count (TPC) and total A. hydrophila, along with proximate and organoleptic assessment. An experimental method was used in this research with a completely randomized design (CRD). The results showed that the TPC value in all sample treatments was higher (around 5 × 105) than that recommended by Indonesia National Standard (SNI). On the other hand, the sample added 10% and 15% salts exhibited a significant effect on the decrease of A. hydrophila through a selective medium Rimler-Shotts agar. For proximate analysis, the treated samples contained in the ranges of 67.33-80.03% (WB), 0.91-13.58% (WB), 35.06-69.92% (DW) and 4.41-1451% (DW) of moisture, ash, crude protein, and fat, respectively. In addition, a sensory test of catfish flesh samples showed that all parameter tests, including mucus, odor, and texture met the referred standard. Taken together, this study may contribute to developing an approach in treating pathogenic bacteria during rearing and also post-harvesting catfish; however, further research is required to obtain a better outcome in dealing with food safety issues.
Combination of Moringa Leaf Meal and Probiotics in Feed for Tilapia (Oreochromis niloticus) Seeds Survival and Immune System Fariq Azhar; Nanang Satria Sumarjan; Siti Hilyana
Journal of Aquaculture and Fish Health Vol. 10 No. 1 (2021): JAFH Vol 10 No. 1 February 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i1.21835

Abstract

Prevention of disease in tilapia seeds can be done by increasing non-specific defense systems by improving and supplementing the nutritional content of the feed. This study aims to determine the effect of adding Moringa leaf meal combined with probiotics to feed on the survival rate of tilapia seeds and the number of seed blood cells that have been infected with Aeromonas hydrophila. The method used was an experimental method using a Completely Randomized Design (CRD) with 5 treatments and 3 replications. Treatment A = addition of 4% moringa leaf meal + 6 ml / kg of probiotic feed + A. hydrophila injection; Treatment B = addition of 6% moringa leaf meal + 6 ml / kg of probiotic feed + A. hydrophila injection; Treatment C = addition of 8% moringa leaf meal + 6 ml / kg of probiotic feed + A. hydrophila injection; Treatment D = feed + probiotic 6 ml / kg of feed (positive control) + injection of A. hydrophila; Treatment E = feed + probiotic 6 ml / kg of feed (negative control) + injection of physiological solution. The results showed the addition of Moringa leaf meal combined with probiotics got the best results in treatment C with a survival value of 86.67%, hemoglobin levels of 2.3 g%, erythrocytes of 2.20 × 106 cells, leukocytes of 11.5 × 104 cells, and the total number of intestinal bacteria was 10.34 × 106 cfu / ml.
Dietary Effect of Red Paprika Used to Enhance the Coloration of Red Tilapia (Oreochromis niloticus) M. H. Amiruddin; M. F. Norhalis; Sri Sumarwati; Y. Norma-Rashid
Journal of Aquaculture and Fish Health Vol. 10 No. 1 (2021): JAFH Vol 10 No. 1 February 2021
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v10i1.18397

Abstract

Red tilapia (Oreochromis niloticus) is one of the famous fish cultures in the aquaculture industry, especially in Malaysia. The appearance of redness makes the fish more attractive for customers to buy. Product appearance is one of the big criteria that customers choose when they buy food. Bright color effects give high expectations for high quality, nutritious, and healthy food. Therefore, to achieve quality products it is necessary to research how to improve the color quality of tilapia as desired by customers. The purpose of this study was to identify the dietary effect of red paprika used to enhance the coloration of red tilapia. This study is an experimental quantitative study. Red tilapia used as an experimental material was obtained from Freshwater Hatchery, University Malaysia Terengganu. A descriptive analysis was used to analyze the data in this study. This study shows that giving red paprika has an effect on the length and weight of red tilapia, where the highest length and weight gained (1.79 cm and 12.37 g) given red paprika 2% and the lowest length and weight gained (0.63 cm and 2.5 g) which given 4% red paprika. The findings of this study found that only 2% of red paprika treatment showed different growth performance. The crude protein, lipid, and moisture composition of tilapia were also higher at 2% red paprika treatment. Meanwhile, the highest composition of ash is feed with 4% red paprika content. The result of this research showed that the caudal and dorsal either muscle or fin showed the highest color at the fish which fed with 8% red paprika. The finding also found that 8% red paprika containing diet feed for six weeks could improve the coloration of the red tilapia. Future studies suggest the use of Dunaliella salina microalgae which is one of the richest sources of carotenoids used as dyes in food.

Page 13 of 34 | Total Record : 331

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