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Jurnal Media Akuakultur Indonesia
Published by Universitas Mataram
ISSN : 27980553     EISSN : 27980553     DOI : http://doi.org/10.2 9303/mediaakuakultur.
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology
The scope of articles published on JMAI is the management of aquaculture media which includes the management of physical (temperature, TDS, TSS, etc.), chemical (DO, Salinity, etc.), and biological (plankton, biofilter, etc.) parameters.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 188 Documents
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MASCULINIZATION OF BETTA FISH (Betta sp) USING EXTRACTS OF COW TESTICLES TROUGH IMMERSION WITH DIFFERENT DOSES OF IMMERSION Saputra, Yusifar Fathana; Junaidi, Muhammad; Dwi Hari Setyono, Bagus
Jurnal Media Akuakultur Indonesia Vol 2 No 2 (2022): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v2i2.1738

Abstract

Ornamental fish is a fish that is much favored by the public because it has a beautiful color. The demand for ornamental fish is increasing every year both in the domestic and international markets, based on data from the KKP in 2018 the export value of hyacinth reached USD 32.23 million and in 2020 Indonesia targets to produce 1.8 billion ornamental fish. One of the ornamental fish that is much favored by the public is Betta fish (Betta sp). From an economic point of view, male betta fish cultivation is less profitable because of its poor body color and morphology. Male betta fish are more popular than female fish, because they have advantages in terms of color and morphology. Based on the results of the study, it was found that the highest male sex presentation of betta fish was in treatment P4 with a total of 91.11% followed by treatment P5 with a total of 73.33% treatment P3 78.89% to treatment P2 58.89% male and followed by male sex presentation the lowest was found in treatment P1 with a total of 35.56%.
ANALYSIS OF FACTORS AFFECTING THE USE OF CERTIFIED CATFISH BREEDERS ON CATFISH SHUTERS IN TEGAL DISTRICT Wijanarko, Yusuf; Santoso, Imam; Priyono, Slamet
Jurnal Media Akuakultur Indonesia Vol 2 No 2 (2022): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v2i2.1739

Abstract

There are still catfish hatcheries found in Tegal District that use brooders derived from the results of rearing spread seeds (jonggolan), not catfish specifically for certified breeders. The use of jonggolan as broodstock is feared to cause a decrease in the quality of catfish fry due to inbreeding or inbreeding. This research is expected to be able to determine the factors that influence the use of certified catfish broodstock so that prevention can be done to avoid losses to catfish farmers and improve the steps that need to be decided in making policies at the relevant agencies.This study uses a descriptive correlational statistical analysis method. The data was taken from all catfish hatcheries in Tegal District with a total of 100 respondents then the data was processed with SPSS 24 year 2022 software.The variables of age, last education, training or socialization about fisheries that have been followed, and the origin of the broodstock used have a significance value greater than 0.05. then there is no significant correlation (relationship) to the parental strain variable used. The Capital Estimation variable has a significance value less than 0.05 (Sig. 0.000). then there is a significant correlation (relationship) to the parental strain variable used. Spearman correlation value of 0.351 indicates that the direction of the correlation is positive with a weak correlation strength.Age factor, last education, training or socialization by the Fisheries Service that has been followed, the origin of the broodstock (government assistance, independent purchase or jonggolan) does not affect the use of certified catfish breeders. Capital owned factors that influence the decision of farmers in using certified catfish broodstock.
COVER DEPAN, REDAKSI, DAFTAR ISI Indonesia, Jurnal Media Akkuakultur
Jurnal Media Akuakultur Indonesia Vol 2 No 2 (2022): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Jurnal Media Akuakultur Indonesia Volume 2 Nomor 2 Desember 2022
Study of Phytoplankton Abundance in Waters of Baruta Analalaki Village, Sangia Wambulu District, Central Buton District Bone, Abdul Hadi; Failu, Ismail; Sirza, L. M. Junaidin
Jurnal Media Akuakultur Indonesia Vol 3 No 1 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i1.2104

Abstract

Fitoplankton adalah salah satu mikroorganisme autotrof yang perperan penting dalam mengubah bahan anorganik menjadi bahan organik yang hidup melayang di permukaan perairan. Penelitian ini bertujuan untuk mengetahui kelimpahan, keanekaragaman, keseragaman, dan dominansi fitoplankton di Perairan Desa Baruta Analalaki, Kecamatan Sangia Wambulu Kabupaten Buton Tengah. Penelitian dilaksanakan mulai bulan Oktober sampai dengan November 2022. Alat yang digunakan yaitu Seichidisk, Termometer, Refraktometer, dan Planktonnet. Bahan yang digunakan dalam penelitian adalah sampel air yang diambil dari lokasi dan sudah ditentukan pada saat pagi, siang, dan sore hari. Metode yang digunakan dalam penelitian ini adalah metode purposive random sampling, yaitu Metode yang digunakan untuk memudahkan peneliti dalam menentukan lokasi sampling sesuai dengan kriteria yang diinginkan oleh peneliti (Hadi, 2004). Hasil penelitian Menunjukkan bahwa ditemukan tiga kelas fitoplankton yaitu dari kelas Bacillariophyceae, Chlorophyceae, dan Dinophyceae. Dari ketiga kelas tersebut yang paling banyak ditemukan dari kelas Bacillariophyceae. Tingkat kelimpahan fitoplankton tergolong cukup subur yakni terjadi pada siang hari pada jam 12.00-14.00 ditemukan 968-1120 jenis, sedangkan pada pagi dan sore hari justru kelimpahan fitoplankton tergolong sedang. Indeks keanekaragaman rata-rata masuk kategori sedang, namun pada jam 14.00 ditemukan indeks keanekaragaman tinggi yaitu 3,05. Selanjutnya indeks keseragaman menunjukkan kategori rendah. Hal ini disebabkan karena adanya persaingan ruang dan makanan antar jenis fitoplankton. Dominansi pun tergolong rendah artinya tidak ada spesies yang mendominasi. Uji korelasi Pearson antara kelimpahan fitoplankton dan parameter kualitas air memiliki kaitan yang sangat kuat dengan nilai r = 0,715 (kecerahan), dan r = 0,526 (suhu). Analisis regresi memiliki persamaan Y = 1761+183X1+126X2. Hasil tersebut menunjukkan koefisien perbandingan kecerahan dan suhu bernilai positif yang artinya jika terjadi peningkatan sebesar 1 cm maka tingkat kelimpahan fitoplankton akan naik sebesar 183 atau 126 dengan asumsi parameter lainnya konstan. Berdasarkan hasil tersebut, nilai kecerahan dan suhu yang tinggi menunjukkan kelimpahan fitoplankton juga tinggi di Perairan Desa Baruta Analalaki.
The Effect of Cultivation Age on The Carginan Content of Seaweed (Kappaphycus alvarezii) in Beach of Ekas, Lombok Timur District Rifaid, Rifaid; Cokrowati, Nunik; Scabra, Andre Rachmat
Jurnal Media Akuakultur Indonesia Vol 3 No 1 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i1.2319

Abstract

West Nusa Tenggara Province has potential seaweed resources. This study aims to analyze the yield of carrageenan at different cultivation ages. West nusa tenggara province has an area for seaweed cultivation of 25,206.6 ha. The area is spread over the districts of East Lombok, west Lombok, central Lombok, Sumbawa, Dompu, Bima, the city of Mataram, the city of Bima, west Sumbawa and north Lombok. Seaweed is a chlorophyll plant and is classified as a low-level plant that has no true roots, stems or leaves, but only resembles a stem called a thalus. This research was conducted in Ekas Bay, Ekas Buana Village, Jerowaru District, East Lombok, and West Nusa Tenggara. This study used a completely randomized design (CRD) with 4 treatments: P1: 15 days, P2: 25 days, P3: 35 days, and P4: 45 days. The yield of K. alvarezii carrageenan obtained the highest score in treatment (P4), which was 53.4%. The chlorophyll content of K. alvarezii seaweed obtained the highest value in treatment (P4), namely 5.1 mg/L. Based on the results of research data analysis, it was found that the different cultivation ages of Kappaphycus alvarezii had a significant effect on absolute growth, specific growth and no significant effect on carrageenan content. In this study, the P4 treatment (45 days) obtained an absolute growth of 149 g, a specific growth of 5.46%, and a carrageenan content of 53.4%, and the best chlorophyll content value was 5.1 mg/L. The conclusion of this study is the best maintenance in this study, namely treatment P4 (45 days) obtained absolute growth of 149 grams, specific growth of 5.46%, and carrageenan content of 53.4%, and the best value of chlorophyll content is 5.1 mg /l.
Feeding Management of Super Intensive Tilapia Fish (Oreochromis niloticus) Culture Alhijrah, Muhammad Rifki; Scabra, Andre Rachmat
Jurnal Media Akuakultur Indonesia Vol 3 No 1 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i1.2348

Abstract

Tilapia is a commodity that has a high selling value. The demand for tilapia from year to year continues to increase, because this fish is popular and is also considered to be aquatic chicken, even this has been known as aquatic turkey. This Field Work Practice aims to find out the Management of Super Intensive Nila Tilapia (Oreochromis niloticus) Feeding in Tambak Teratak Village, North Batukliang District, Central Lombok Regency. This street vendor activity was carried out from 15 July 2021 to 14 August 2021 in the ponds of Teratak Village, North Batukliang District, Central Lombok Regency. Data collection methods used are active participation, observation, and interviews. Data analysis used is descriptive analysis. This activity starts from pond preparation, media preparation, seed preparation, steroid application, herbs and probiotics, as well as water quality management. Management of Nirvana tilapia seed feed was given 3 times a day with 412 grams of feed for 21 days with feed mixed with steroid to masculinize or change the sex of tilapia from female to male. After 21 days, the fish fry were given a mixture of probiotics and herbs as much as 1.5 kg of feed for 11 seed pond plots. The stocking density per seed pond plot was 140,000 individuals, of the total stocking density, the number of fish that managed to reach nursery or grow-out was 110,000 individuals. The length of tilapia from the beginning of maintenance to 1 month of rearing is 2-3.5 cm. Quality management is carried out by adding probiotics, herbs and molasses 3 times a day according to weather conditions.
Analysis of Carotenoid Content in Sea Grape (Caulerpa lentilifera) Cultivated with Low Plant Standing Different in The Basic Standard System Arisqia, Neny; Amir, Sadikin; Rahman, Ibadur
Jurnal Media Akuakultur Indonesia Vol 3 No 1 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i1.2357

Abstract

Seaweed is one type of fishery commodity that is widely used both as a raw material for food, industry, medicine, and cosmetics. This causes the economic value of seaweed to help the community's economy and can increase the country's foreign exchange. Seaweed is one of the largest carotenoid producers because green seaweed generally contains chlorophyll a and b compounds and carotene compounds which can function as antioxidants. Factors that affect the content of carotenoids is the spacing of seaweed seeds. The purpose of this study was to determine the effect of spacing in the basic stake system on the carotenoid content of Caulerpa lentilifera and to determine the ideal spacing that gives optimal effect on the carotenoid content of Caulerpa lentilifera. This study used an experimental method with a completely randomized design (CRD) pattern with 6 treatments and 3 replications with treatments namely Control (25 cm spacing), P1 (20 cm spacing), P2 (30 cm spacing), P3 (20 cm spacing). plant 35 cm), P4 (planting distance 40 cm), P5 (planting distance 45 cm). The data obtained was then analyzed using variance (ANOVA) with a 95% confidence level and to find out the best growth a further test was carried out using the BNT test. The results showed that the spacing applied to the basic stake system had no effect on the carotenoid content of Caulerpa lentilifera, but had an effect on the absolute growth and specific growth rates. Spacing of 30 cm is the best distance for the growth of Caulerpa lentilifera with an absolute growth of 128.917 g and a specific growth rate of 4.965%, but the difference in spacing has no effect on the carotenoid content. The conclusion of this study was that the difference in plant spacing of the basic stake system had no effect on the carotenoid content of C. lentilifera, but had an effect on the absolute growth and specific growth rate. There was no ideal spacing to increase carotenoid content in C. lentilifera, because each treatment tended to have relatively the same carotenoid content.
Growth of Sangkuriang Catfish (Clarias gariepenus) in The Recirculation System Al-Muhatir R., Lalu Sepi; Diniarti, Nanda; Mukhlis, Alis
Jurnal Media Akuakultur Indonesia Vol 3 No 2 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i2.2443

Abstract

Catfish is one of the commodities with promising prospects for development, both in hatchery and grow-out activities. One of the challenges in catfish farming is the high mortality rate of intensively raised fish without water exchange. In order to increase production, the implementation of good cultivation technologies is necessary to maximize the results. One such technology that can be used is the Recirculating Aquaculture System (RAS). This study aims to analyze the effects of RAS using lettuce plants as biofilters on the growth and survival of Clarias gariepinus catfish. The test animals used in this study were Clarias gariepinus catfish sourced from Beta Fish Lingsar Farm, with seed size ranging from 7-8 cm. The study was conducted with three treatments (plots): pond 1 = RAS with lettuce biofilter at a stocking density of 1000 individuals, pond 2 = RAS with a stocking density of 1000 individuals, and pond 3 = RAS with a stocking density of 500 individuals. The results of the study showed that the use of the RAS system had an impact on the growth and survival of the fish. The RAS system with lettuce biofilter was able to increase the Specific Growth Rate (SGR) by 6.02% and reduce fish mortality rate with a Survival Rate (SR) value of 62.8%. Based on these findings, the use of RAS with plant biofilters can be further developed on a larger scale in aquaculture.
Heavy Metal Controls in Cultivated and Natural Sea Grape (Caulerpa Lentilifera) Purenji , Aura Ramadhanti; Antara, Kadek Lila; Maharani, Made Dwipa Kusuma
Jurnal Media Akuakultur Indonesia Vol 3 No 2 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i2.2451

Abstract

Seaweed commodities are one of the products in the fisheries and marine sector that has the potential to be developed. One type is sea grape or commonly known as Caulerna lentillifera which is very widely spread in waters throughout Indonesia. This research method is descriptive quantitative, this research was conducted to determine the heavy metal content in natural sea grapes and cultivated sea grapes. The research procedure consisted of pre-research process to observation and checking of heavy metal content. The results of research on heavy metal content of cultivated sea grapes get good results, while for nature there are levels of heavy metals Pb so it can be said that it is not very good. The results of measuring the length of ramuli in the first week was 3.3 cm, the second week was 4.4 cm then increased in length in the third week to 5.8 cm, and ended in the fourth week with an increase in length of 6.9 cm. The results of the calculation of the number of ramuli in week 1 showed that the average number of ramuli was 12, the average number of ramuli in the first week increased to 14 in the second week and increased in the third week to 17 then ended in the fourth week with an average of 19 ramuli. The quality of water used in the cultivation of sea grapes in Musi Village and natural sea grapes is still in normal status.
Description And Level Of Degradation Of Sea Sea Based Ecosystems In The Coastal Area Of Uwedikan Village, East Luwuk District, Banggai District Yantu, Oktavianingsi A. H.; Utina, Ramli; Husain, Ilyas
Jurnal Media Akuakultur Indonesia Vol 3 No 2 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i2.2574

Abstract

The seagrass ecosystem is an ecosystem that is very important to support the sustainability of the biota that take shelter in it. The seagrass ecosystem is known as one of the areas that is vulnerable to damage. Various human activities, such as fishing and industrial activities can trigger this damage. This study aims to provide information regarding the description and level of degradation of the seagrass meadow ecosystem in Uwedikan Village. The method used is random sampling method. The results showed that there were 5 species of seagrass found, namely Enhalus acoroides, Thalassia hemprichii, Cymodocea Serullata, Cymodocea rotundata and Halophila ovalis. Seagrass cover averaged 40.60% at Tanjung Balean and 33.1% at the Tambatan Perahu. This is included in the moderate/less rich category. The highest seagrass cover was for Thalassia hemprichii with a total of 2,169 individuals at Tanjung Balean and 1,453 at the Boat Mooring. The relationship of water parameters, namely temperature, degree of acidity (pH) and brightness greatly affect the growth of seagrass ecosystems. In particular, the temperature at the two locations obtained different values, namely 29--30.5°C at Tanjung Balean and 30--35.3°C at the Tambatan Perahu.

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