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Journal Of Aquaculture Development and Environment
Published by Universitas Tidar
ISSN : -     EISSN : 2655545X     DOI : -
Core Subject : Humanities, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Humanities Environmental Science
The focus and scope of the research is related to the discussion of the development of aquaculture in general and the environment.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 8 Documents
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Search results for , issue "Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment" : 8 Documents clear
Application for Handling Hybrid Grouper Eggs (Epinephelus lanceolatus x Epinephelus fuscoguttatus) Muh Sulaiman Dadiono; Maheno Sri Widodo
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.5683

Abstract

Applications for handling hybrid grouper eggs (Epinephelus lanceolatus x Epinephelus fuscoguttatus) include the initial egg handling process, egg selection, egg counting and egg observation. The initial handling of hybrid grouper eggs (Epinephelus lanceolatus x Epinephelus fuscoguttatus) begins with stripping the female tiger grouper and male giant grouper to get eggs and sperm. Mixing eggs and sperm is done using chicken feathers. Egg selection is done to separate good and bad quality eggs. Good quality eggs will float on the surface, are round, transparent in color and have a core. Poor quality eggs will sink to the bottom and become milky white. The egg calculation technique uses the manual method with the help of a petri dish and a 20 ml beaker glass. Observation of eggs using a microscope magnification 40x. The fertilized egg has a transverse line between the nucleus of the egg which is a developing embryo. The unfertilized egg does not have a transverse line which indicates the egg does not have an embryo.
DIFFERENT FORMS OF CORAL FUNGIA PAUMOTENSIS, IN EACH DIFFERENT LOCATION ON THE ISLAND OF MAMBURIT, SUMENEP DISTRICT sawiya sawiya; Abdul Muqsith
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.6036

Abstract

Coral morphological characters are mainly caused by environmental factors. The method used is random sampling with one sample, two repetitions at each station. The stations selected were Leeward I, Leeward II, Windward I, and Windward II. Based on the results obtained in the waters of Mamburit, Fungia paumotensis, General physical characteristics included a hilly colony surface, pointed teeth and small grains and curved corals. Morphological characters show differences from discrete and morphometric characters in each sample where these differences are influenced by the environment
CHARACTERISTICS OF MALONG (Muraenesox cinereus) AND KEMBUNG (Rastrelliger brachysoma) AS SURIMI RAW MATERIAL Andri Nofreeana; Untung Trimo Laksono
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.6212

Abstract

The use of fish as raw material for surimi continued to grow along with the increasing demand for surimi-based processed products. The fish used from marine fish to freshwater fish. The use of fresh fish as raw material greatly affected the quality of surimi. The morphological characteristics of fish raw materials affected the yield of fish meat, this can be seen in the yield of each fish. This research used two types of fish, namely Malong / Daggertooth pike conger fish (Muraenesox cinereus) and Kembung / Mackerel fish (Rastrelliger brachysoma). In general, the results of the proximate test showed that the protein levels in the fish used were not significant. Malong fish was very potential to be used as raw material for surimi because it produced the highest yield, which was 66.67% with 62.44% myofibril and 25.6% sarcoplasm. Kembung/Mackerel fish in this study resulted in the lowest yield of 37.00% with 59.69% of myofibril and 46.6% of sarcoplasm. Gel formation in surimi was strongly influenced by myofibril and sarcoplasmic proteins. Gel formation in fish meat was strongly influenced by the presence of salt-soluble proteins in the form of myofibrils (actin and myosin). On the other hand, if fish meat contained more water-soluble protein (sarcoplasm), it would be relatively reduce its gel formation ability. 
SEAWEED TISSUE CULTURE TECHNIQUE IN BALAI PERIKANAN BUDIDAYA AIR PAYAU (BPBAP) SITUBONDO Lusiana BR Ritonga
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.5474

Abstract

Kappapyhcus alvarezii seaweed or more commonly known as Eucheuma cottonii is a potential commodity to be developed because seaweed has many benefits. The problem found in the development of seaweed in Indonesia is the number of pests and diseases in seaweed, especially ice-ice. In vitro culture techniques have become an alternative to help overcome the problems that are often faced in the provision of seeds through conventional means. There are 6 stages in seaweed tissue culture, namely broodstock acclimatization, callus induction, callus/micropropagule regeneration, micropropagule regeneration, plantlet acclimatization and seed propagation in the sea. During the observation, water quality was still in the normal range, namely temperatures ranging from 25-30 0C, pH between 8.16-8.35 and salinity 34-36 ppt. 
Identification of Ectoparasite Infection in Tilapia (Oreochromis niloticus) Based on Water Quality in Rawa Pening tholibah mujtahidah; Sri Hidayati; Ninik Ambarwati
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.6213

Abstract

Testing of ectoparasites on water quality in infections that occured in tilapia in aquaculture activities in Rawa Pening. The purpose of this study was to determine the exposure to the abundance of ectoparasite bacteria that infected the growth of tilapia in Rawa Pening. This study used experimental method and purposive sampling with data processing in a descriptive survey. The data analysis used was analysis of variance (ANOVA) with the aim of knowing the effect of sampling and the parameters tested, this test was carried out 4 (four) times for water quality and ectoparasite observations 3 (three) times for testing to obtain the accuracy of data sampling. The results of this study showed that there was an infection with levels of ectoparasites identified from the types of Streptococcus sp, Lernaea sp, Aeromonas sp, and Trichodina sp. These bacteria attack fish with the highest number or total exposure in the Tuntang area. The reason was, currently water hyacinth was being cut down as one of the local government programs to reduce the blooming of water hyacinth (Eichhornia crassipes) of 7.92 mg/L, pH levels 7.59, ammonia levels 10-20 mg/L and nitrate levels 0.5 mg/L were still in optimal conditions from the results carried out.
Application of The Temperature Shock Method (Heat Shock) on Pearl Oyster (Pinctada maxima) Hatcheries Lusiana BR Ritonga
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.5666

Abstract

The low production and quality of pearls produced from the cultivation process, one of which iscaused by the less than optimal quality of pearl oysters. Spawning is a determining factor in hatcheryactivities. Therefore, in an effort to increase production, it requires strategies and improvements inthe pearl oyster spawning process. This study aims to apply the temperature shock method as an effortto increase productivity and success rate of pearl oyster hatchery. The results of observations ongonad maturity in pearl oyster broodstock obtained data from a total of 200 broods consisting of 135male broods and 75 female brooders aged 3.5 years, the percentage of perfectly gonadally maturebroodstock was 11.85% and 12%, respectively a total of 25 individuals. The results of spawning pearloyster broodstock through the temperature shock method of a total of 18 broods observed were 12brooders or 66.7% which spawned perfectly. The results of the observation of the spawning process ofpearl oyster broodstock showed that from 8 female broodstock ± 90,000,000 eggs were obtained witha hatching rate of 70% with a spat harvest of ± 1,575,000 individuals or 2.5% of the total hatchedlarvae final yield.
Abundance of Phytoplankton in Vannamei Shrimp (Litopenaeus vannamei) Farming Pond at the Center for Brackish Water Aquaculture Fisheries (BBPBAP) Jepara Anja Asmarany
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.5678

Abstract

Vannamei shrimp (Litopenaeus vannamei) is one of the commodities that is a priority in aquaculturedevelopment activities in Indonesia. The success of vannamei shrimp culture is influenced by variousfactors such as fry quality, feed quality, land carrying capacity, application of biosecurity and goodwater quality management. Water quality is closely related to the phytoplankton community containedin a waters. This study aims to analyze the abundance and dominance of plankton species found inpond waters. Monitoring the abundance of phytoplankton was carried out in 4 plots of vannameishrimp aquaculture ponds at the Brackish Water Aquaculture Fisheries Center (BBPBAP) Jepara,namely plots A51, A51, A61 and A62. Identification and calculation of phytoplankton cells werecarried out using a haemocytometer and Sedgwick. The results of the analysis showed that the highestabundance of phytoplankton was found in plots A61 at week 9 with a cell number of 36.73 x 106cells/L, while plots A51, A52 and A62 decreased. Overall plot A62 had better water quality conditionswhen compared to plots A51, A52 and A61 indicated by the phytoplankton abundance value of 34.63x 106 cells/L at week 9 and the dominance index of green algae, namely D > 0.5.
SEAWEED AS A DIETARY FIBER TO PREVENT THE CARDIOVASCULAR DISEASE Andri Nofreeana; Muh. Azril
Journal of Aquaculture Development and Environment Vol 5, No 1 (2022): Journal Of Aquaculture Development And Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v5i1.6237

Abstract

Indonesia has a lot of potential in natural resources, one of which is seaweed. Seaweed is one of the natural ingredients that contain water-soluble dietary fiber. The fiber content in seaweed can be categorized as a functional food. The fiber content in seaweed varies, from 36-60% dry weight, 55-70% of the former percentage is soluble fiber consisting of alginate and carrageenan with varying amounts depending on the type of seaweed and environmental conditions. The dietary fibers are useful for disease prevention and health maintenance. Dietary fiber can prevent several diseases, including coronary heart disease (cardiovascular). The effect of dietary fiber according to Liu et al (2002) is a very high fiber diet (55 g/1,000 kcal) which resulted in a 33% reduction in LDL cholesterol (Low-Density Lipoprotein) in two weeks period. The mechanism of dietary fiber reduces cardiovascular disease since it is able to bind bile acids (the end product of cholesterol), thereby preventing its reabsorption from the intestine. Cholesterol that is bound to bile acids and lignin/pectin cannot be absorbed by the intestines but will be excreted in the feces.

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