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Journal of Fisheries & Marine
Published by Universitas Airlangga
ISSN : 20855842     EISSN : 25280759     DOI : https://doi.org/10.20473/jipk.v16i1.44436
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Jurnal Ilmiah Perikanan dan Kelautan (JIPK; English: Scientific Journal of Fisheries and Marine) ISSN International Centre | ISSN:2528-0759 (Online) | ISSN: 2085-5842 (Print) JIPK is a peer-reviewed and open access biannually (April and November) that published by the Faculty of Fisheries and Marine, Universitas Airlangga. The aim of JIPK is to publish exciting, empirical research, recent science development, and high-quality science that addresses fundamental questions in fisheries and marine. JIPK only accepts manuscripts written in full English and processes submitted original script related of scope to fisheries and marine science and not being published by other publishers. We publish four categories of papers; 1) Original research papers, 2) Critical review articles, 3) Short communications, and, 4) Special Issue on applied or scientific research relevant to freshwater, brackish and marine environments. This journal gives readers the state of art of the theory and its applications of all aspects of fisheries and marine science. The scope of this journal includes, but is not limited to the research results of: Aquaculture, Fish Diseases, Marine science, Oceanography, Aquatic resources management, Fisheries product technology, Fish capture, technology, Fishery agribusiness, Fishery biotechnology/molecular genetics, Fish health management. JIPK has been indexed in Scopus, DOAJ, Sinta 1, Dimensions, Crossref, and others indexing. This journal has been accredited as a 1st Grade Scientific Journal (Sinta 1) by the Ministry of Research, Technology, and Higher Education of Indonesia since 8 December 2020.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia
Articles 560 Documents
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Sustainability of Fish Fillet Processing Industries in Batang District Astrid Fauzia Dewinta; Widodo Farid Ma'ruf
Jurnal Ilmiah Perikanan dan Kelautan Vol. 12 No. 1 (2020): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v12i1.14536

Abstract

HighlightsSustainability index from fish fillet industry is important to know because a fishing industry just not looking for feasibility study in economic dimension but all dimension (resources, technology, social, legal and institutional)Multidimension sustainability index from fish fillet processing industry in Batang is included in the category of "Self Sustainable” with a value of 50.39  The dimensions causes of the low sustainability in fish fillet industry are social, legal and institutional, and technology with the value of each dimension that is 48.6; 40.27; 48.9 in means "less sustainable”AbstractThe existence of fish fillet processing industries in Batang are able to have a positive impact on the surrounding community because it can create employment opportunities and increase community income. Therefore, it is necessary to know the importance of the sustainability of fish fillet processing industries to see the prospect of fishery business after a feasibility study. The aims of this study were to analyze the sustainability index value, determine the sensitive attributes of each dimension, and provide alternative management strategies of fish fillet processing industries in Batang. The method of analysis used was Rapfish method which is based on the technique of ordination by putting something measured using MDS on the program of Rapfish G77 Alscal program (VBA and Excel). Status management of fish fillet processing industries sustainability in Batang, which are multidimensionally sustainable, are 50.39. Whereas in other dimensions such as resources 58.20 (quite sustainable), economic 55.33 (fairly continuous), social 48.60 (less sustainable), legal and institutional 40.27 (less sustainable) and technological 48.90 (less sustainable). Based on this results, several management strategies should be prepared including increasing the capacity of government institutions, enhancing the role of fish fillet processing industry on society, increasing the application of technology and infrastructure, increasing the revenue of the entrepreneurs of fish fillet processing industry, preventing decline of quality and quantity of fish resources. 
Identification of Protease-Producing Halophilic Bacteria Isolated from Salt-Pond Soil Asep Awaludin Prihanto; Rahmi Nurdiani; Hidayatun Muyasharoh; Jauharotul Afifah
Jurnal Ilmiah Perikanan dan Kelautan Vol. 12 No. 1 (2020): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v12i1.14725

Abstract

HighlightsThe halophilic bacteria were isolated from salt-pond soil.Isolate C2 was identified as the best protease producer.Isolate C2 was identified as B. amyloliquefaciens strain UBCAbstractProtease is an important enzyme for various industries, such as pharmaceuticals, leather production, meat processing, protein hydrolyzate, food products, and waste processing industries. This study aimed to isolate and identify protease-producing bacteria isolated from salt-pond soil at the Tuban Regency, East Java, Indonesia. Bacterial communities in the soil samples were firstly isolated from the soil samples by culture-dependent technique on Luria Bertani agar enriched with 5% NaCl. Thereafter, bacterial colonies that grew on the media were purified and screened for their protease production using a skim-milk agar. The bacterial colony which produced protease was further identified using phenotypic (gram staining) and genotypic assays (the 16S rDNA sequence). The result showed that one isolate out of six (isolate C2) obtained from the soil sample was observed to produce a protease enzyme. Based on its 16S rDNA sequence, the isolate was identified as Bacillus amyloliquefaciens strain UBC. These results suggest that B. Amyloliquefaciens strain UBC is a salt-tolerant bacterium (halophilic bacteria) which has the potential to be further developed for protease-producing biological agents.
Chemical-Physical Properties Characterization of White Snapper Fish Skin Rambak Crackers Based on Boiling and Drying Duration Hardoko Hardoko; Sri Utami
Jurnal Ilmiah Perikanan dan Kelautan Vol. 12 No. 1 (2020): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v12i1.14842

Abstract

HighlightsThe utilisation process of snapper skin from fish fillet industry by products for cracklings was not optimalThe optimization of snapper skin crackling production by boiling and drying methodThe optimal method of snapper skin crackling production was 30 minutes of boiling and sun-drying for 30 hoursAbstractFish skin is a byproduct of fish filet production, its use is still limited, but some of the terrestrial animal skin is partially processed into rambak crackers, which is quite well known in Indonesia. The purpose of this study was to determine the duration of boiling and drying time on the chemical-physical properties of rambak crackers from white snapper skin. The research method used was an experiment with a boiling time treatment of 0, 10, 15, and 20 minutes and drying time with 10, 20, and 30 hours in sunlight. The results showed that the boiling time and drying duration had an effect on the chemical-physical properties of the rambak crackers of white snapper fish skin. The resulting rambak crackers have physical characteristics of 15.13-25.39 N / m2, 70.44-100.07% enlarging capacity, and chemical characteristics of the water content was 1.09-4.95%, protein content of 65.26-70.43%, and fat content of 13.43-15.83%. The best crackers are those which resulted from 30 minutes of boiling and 30 hours of frying process with a fracture limit of 15.13 N/m2, an enlarging capacity of 100.07%, moisture content of 1.09%, protein content of 66.25%, and fat content of 13. 43%. 
Spore production and sporulation efficacy of Bacillus subtilis under different source of manganese supplementation [Produksi Spora dan Efisiensi Sporulasi Bacillus subtilis dengan Suplementasi Mangan dari Sumber yang Berbeda] Ating Yuniarti; Nasrullah Bai Arifin; Muhammad Fakhri; Anik M. Hariati
Jurnal Ilmiah Perikanan dan Kelautan Vol. 11 No. 2 (2019): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v11i2.15250

Abstract

AbstractBacillus is a species widely used as a probiotic in the aquaculture industry. The Bacillus spores have more advantages than their vegetative ones, and an addition of minerals such as calcium, magnesium, and manganese can improve the spore production. The purpose of this study was to determine the effect of different sources of manganese on the production and sporulation efficacy of B. subtilis SB3. The sources of manganese used in this study were manganese chloride (MnCl2) and manganese sulfate (MnSO4) at the concentration of 10 mM. Media without manganese supplementation was used as a control. The results showed that there was a significant effect of different manganese sources on the spore production of B. subtilis SB3. The highest spore production was found in media with MnCl2 supplementation with the total spore of 8.77 x 107 spores. mL-1. However, spore production with MnSO4 supplementation was still higher (22.7%) compared to that without manganese supplementation. The decrease in spore production with MnSO4 supplementation was possible due to the sulfate inhibition. The high spore production in media with MnCl2 supplementation was also preceded by the high production of vegetative cells from B. subtilis SB3 (2.54 x 108 cells. mL-1). The results indicated that manganese could stimulate both vegetative cell growth and its spores. The highest sporulation efficacy (35%) was also achieved in media with MnCl2 supplementation. On the other hand, the germination rate of B. subtilis SB3 spores was not influenced by manganese supplementation.Abstrak Bacillus adalah species yang banyak digunakan sebagai probiotik pada industri akuakultur. Dalam bentuk spora, species ini lebih banyak mempunyai kelebihan dibandingkan dalam bentuk vegetatifnya dan peningkatan produksi sporanya dapat dilakukan dengan penambahan mineral seperti kalsium, magnesium dan mangan. Tujuan penelitian ini adalah untuk mengetahui pengaruh sumber mangan yang berbeda terhadap produksi dan efisiensi sporulasi B. subtilis SB3 indigenous akuatik. Sumber mangan yang dipakai dalam penelitian ini adalah mangan klorida (MnCl2) dan mangan sulfat (MnSO4) sebanyak 10 mM dan sebagai kontrol digunakan media tanpa suplementasi mangan. Hasil penelitian menunjukkan bahwa terdapat pengaruh yang nyata penggunaan sumber mangan yang berbeda terhadap produksi spora. Produksi spora tertinggi didapatkan pada media dengan suplementasi MnCl2 sebanyak 8,77 x 107 spora. mL-1. Sedangkan produksi spora dengan suplementasi MnSO4 juga masih lebih tinggi (22,7%) dibandingkan tanpa suplementasi magan. Penurunan produksi spora pada media dengan penambahan mangan sulfat diduga karena adanya penghambatan oleh sulfat. Tingginya produksi spora pada media dengan suplementasi MnCl2 sebelumnya juga didahului dengan tingginya produksi sel vegetatif dari B. subtilis SB3 (2,54 x 108sel. mL-1). Hal ini menunjukkan bahwa mangan dapat menstimulasi baik pertumbuhan sel vegetatif dan sporanya. Efisiensi sporulasi tertinggi juga dicapai pada media dengan suplementasi MnCl2 sebesar 35%. Di sisi lain, kemampuan germinasi spora B. subtilis SB3 tercatat sama dan tidak dipengaruhi oleh suplementasi mangan.
Study on Community Structure of Commercial Sea Cucumber in Intertidal Zone, Southeast Moluccas, and Tual, Moluccas Jasmadi Jasmadi; Ismiliana Wirawati; Indyaswan Tegar Suryaningtyas; Sandi Permadi
Jurnal Ilmiah Perikanan dan Kelautan Vol. 12 No. 1 (2020): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v12i1.15460

Abstract

HighlightEight species of sea cucumber was found in four intertidal location in Southeast Moluccas and Tual watersHolothuria atra had the highest densitySea cucumber biodiversity in Southeast Moluccas and Tual waters categorized as lowLocal culture can be used for sustainability of sea cucumber resources management  AbstractA study on the community structure of sea cucumber in Southeast Moluccas and Tual needs to be done due to the important role of sea cucumber in both ecologically and economically sustainability. This study aimed to investigate the community structure of sea cucumber in this region as one of the supporting information for the utilization and management of the resources. A survey was conducted by sweeping the target area, by walking and also snorkeling. The location where each sea cucumber found was marked using a GPS, the specimen was weighed, and some were preserved for species analysis. Water quality was measured at each location, while the substrate and vegetation were recorded. This study revealed different composition of species in the investigated area. As many as 8 species of sea cucumber were found, in which four were of genus Holothuria, three were of genus Stichopus and the rest were of genus Bohadschia. Species H. atra has the highest density. In general, the diversity index was relatively low (< 2), the evenness index was 0-81 indicating that the community was depressed. Certain species dominated at most of the investigated sites (0.50-1), and a low margalef index is 0-1.7. To conclude, the community structure of sea cucumber in Tual and Southeast Moluccas was in a depressed condition.
The Toxic Effect of Ametryn on Behaviour and Histopathological Changes of Freshwater Eel (Monopterus Albus) [Pengaruh Toksik Ametryn terhadap Perilaku dan Perubahan Histopatologis Belut AirTawar (Monopterus Albus)] Marina Hasan; Nor Azri Shah Norhan; Wahidah Wahab; Anur Abdalah Nagi Melad; Kismiyati Kismiyati; Mohd Fazrul Hisam Abd Aziz; Norainy Mohd Husin; Mohd Ihwan Zakariah
Jurnal Ilmiah Perikanan dan Kelautan Vol. 11 No. 2 (2019): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v11i2.15713

Abstract

AbstractA study on the toxicity of herbicides was investigated with emphasis on behaviour and histopathological effects. Ametryn commonly used to control weeds in the paddy field. The effect of ametryn on fish especially Monopterus albus was unknown. This study aims to determine the acute toxicity of ametryn and its effects on the behaviour of the eels. The adult M. albus were exposed to 0, 0.75, 1.5 and 3.0mg/L of ametryn for 96 hours under laboratory conditions. The eels showed symptoms of abnormal behaviour responses during the exposure which are agitated behaviour, respiratory distress, and abnormal nervous behaviour. Mortality was increased by increasing the concentration of ametryn. This present study showed the effect of ametryn on kidney tissue changes. Hemorrhage and distribution of hemosiderin, hydropic degeneration, granular degeneration, tubular necrosis, narrowing tubular lumen and necrosis were major histopathological effects that occurred during the exposure to ametryn. In conclusion, ametryn is very sensitive to Monopterus albus. In lower concentration, they showed changes in behaviour and effect their organs. AbstrakStudi tentang toksisitas herbisida yang diamati dengan penekanan pada perilaku dan dampak histopatologis. Ametryn biasanya digunakan untuk mengawal rumpai di sawah padi. Kesan ametryn pada ikan terutama belut tidak diketahui. Penelitian ini bertujuan untuk menentukan toksisitas akut ametryn dan dampaknya terhadap perilaku belut. M. albus dewasa terpapar pada 0, 0.75, 1,5 dan 3,0mg / L ametryn selama 96 jam pada kondisi laboratorium. Belut menunjukkan gejala respons perilaku abnormal selama paparan yaitu gelisah, gangguan pernapasan, dan perilaku saraf abnormal. Kematian meningkat seiring meningkatnya konsentrasi ametryn. Penelitian ini menunjukkan dampak ametryn pada perubahan jaringan ginjal. Perdarahan dan distribusi hemosiderin, degenerasi hidropik, degenerasi granular, nekrosis tubular, penyempitan lumen tubular dan nekrosis adalah dampak histopatologis utama yang terjadi selama paparan ametryn. Kesimpulannya, ametryn sangat sensitif terhadap Monopterus albus. Dalam konsentrasi rendah, belut menunjukkan perubahan perilaku dan kesan pada organ.
Innovation in Financing Coastal Village Development through Community-Owned Microfinance Institution: A Case Study of Village Credit Institution (LPD) Kedonganan Bali [Inovasi Pembiayaan Pembangunan Desa Pesisir Melalui Lembaga Keuangan Mikro Berbasis Masyarakat: Studi Kasus di Lembaga Pekreditan Desa (LPD) Kedonganan Bali] Suadi Suadi; Ratih Ineke Wati; Nakagawa Mitsuhiro
Jurnal Ilmiah Perikanan dan Kelautan Vol. 11 No. 2 (2019): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v11i2.15733

Abstract

 AbstractMicrofinance institutions (MFIs) is a worldwide movement. This study aims to describe the key conditions in the rapid development of community-owned MFIs, namely LPD (Lembaga Perkreditan Desa/Village Credit Institution), through case study in LPD Kedonganan Village, Badung Regency of Bali. This village was selected for few reasons i.e. the shifting of people livelihood from fishery-based to tourism-related livelihood, the well-manage of coastal commons for fishery, tourism spot, and religious-related activities. Data collection was conducted through several visits during 2007 to 2018. This research adopted qualitative approach through observation and depth-interview with local leaders, MFI managers and users to discover their perspective about the MFI. Secondary data was also collected from various reports of LPD Kedonganan. The study showed that LPD was established, owned, and managed by the community through a custom village. LPD distributed credits to various components of the society and business including tourism and fisheries-related business, in and out of village territory, and to male and female customers, with various types, scales, and sectors. The healthy financial performance of the institution was clearly depicted by its rapidly growing profit and equity, and its low percentage of a non-performing loan for more than three decades. The better growing LPD has attracted various socio-economic investments in the grass root, for example a collective-owned and managed seafood restaurant. Overall, the study identified that the community had made such successful and sustainable collective-owned resource arrangement. The arrangement had been evolved and built by sharing rules linked to community values, customs and faith. As a result, the emerging institutions had contributed remarkable roles to rural socio-cultural and economic development and showed the opportunity to enhance some cooperative behaviors for sustainable governance of resources and rural livelihood. AbstrakLembaga keuangan mikro (LKM) telah menjadi gerakan yang mendunia. Penelitian ini bertujuan untuk menggambarkan faktor-faktor keberhasilan pengelolaan LKM berbasis masyarakat, yaitu LPD (Lembaga Perkreditan Desa), melalui studi kasus di LPD Desa Kedonganan, Kabupaten Badung Bali. Desa ini dipilih karena beberapa alasan antara lain terjadi pergeseran cepat sumber penghidupan masyarakat dari berbasis perikanan (sektor primer) ke pariwisata (sektor tersier), desa mampu mengelola sumberdaya milik bersama di pesisir secara baik untuk kegiatan perikanan, tempat wisata, dan kegiatan terkait keagamaan/budaya. Pengumpulan data dilakukan melalui beberapa kunjungan selama tahun 2007 hingga 2018. Penelitian ini mengadopsi pendekatan kualitatif melalui observasi dan wawancara mendalam dengan para pemimpin lokal, manajemen LPD, dan pengguna untuk memahami perspektif mereka tentang LKM. Data sekunder juga dikumpulkan dari berbagai laporan LPD Kedonganan. Penelitian ini menunjukkan bahwa LPD didirikan, dimiliki, dan dikelola oleh masyarakat melalui desa adat. LPD mendistribusikan kredit ke berbagai komponen masyarakat dan bisnis termasuk pariwisata dan bisnis terkait perikanan, melingkupi pengguna dalam dan luar wilayah desa, dan kelompok laki-laki dan wanita, dengan berbagai jenis, skala, dan sektor ekonomi. Kinerja keuangan lembaga yang sehat secara jelas ditunjukkan dengan laba dan ekuitasnya yang berkembang pesat, dan rendahnya pinjaman bermasalah selama lebih dari tiga dekade. LPD yang tumbuh lebih baik telah menarik berbagai investasi sosial-ekonomi di masyarakat, misalnya restoran makanan laut yang dimiliki dan dikelola secara kolektif. Secara keseluruhan, penelitian mengidentifikasi bahwa masyarakat mampu mengelola sumber daya yang dimiliki secara kolektif secara menguntungkan dan berkelanjutan. Model pengelolaan tersebut telah dikembangkan dan dibangun dengan berbagi aturan yang terkait dengan nilai-nilai masyarakat, adat istiadat, dan kepercayaan. Model kelembagaan ini telah berperan peran penting bagi pembangunan sosial-budaya dan ekonomi pedesaan dan menunjukkan peluang untuk meningkatkan perilaku kerja sama untuk tata kelola sumber daya dan mata pencaharian pedesaan yang berkelanjutan.
Numerical Modeling of Tidal Current Patterns Using 3-Dimensional MOHID in Balikpapan Bay, Indonesia Hadi Hermansyah; Nining Sari Ningsih; Nabil Nabil; Ayi Tarya; Syahruddin Syahruddin
Jurnal Ilmiah Perikanan dan Kelautan Vol. 12 No. 1 (2020): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v12i1.16257

Abstract

HighlightsThe results of the model and observation showed the similarity of the amplitude and phase formedAt the highest tide was in the position above the Sea Mean level and the current velocity was lower than when heading to the tideThere was a difference in the direction of the current when heading towards high tideStratification of the water column in both seasons tended to be classified in well-mixed watersAbstractBalikpapan Bay is significant as a link between the cities within and outside of East Kalimantan by becoming the primary path used for local transportation and distribution of produced goods. The various anthropogenic activities increased liquid wastes and debris, which flowed through channels and rivers along the bay. This study aimed to determine tidal current patterns in Balikpapan Bay and its influence on salinity and temperature distributions. This study applied a baroclinic three-dimensional (3D) hydrodynamic model, employing wind, tides, and density variations, resulting from the differences of temperature and salinity, as the model input. To simulate the tidal current flow, we applied MOHID Water Modeling System, which the tidal current patterns depicted current directions and speeds at the different tidal conditions. During the displacement toward the high tidal condition, the water mass moves northwestward entering the river body, while at the displacement toward the low tidal condition, the water mass moves southeastward, which flows toward the coast and without the bay. The current speed varies at certain tidal conditions. At the highest tidal condition, the surface elevation ranged 1.3 - 1.5 m above mean sea level; the current rate is lower compared to the displacement toward high tidal condition, which ranged from 0.01 - 0.15 m/s. At the lowest tidal condition, the surface elevation reached 1 - 1.2 m below mean sea level, and the weaker flow velocity took place (less than 0.15 m/s). The results also showed that the water mass temperature tends to be higher in the inner part of Balikpapan Bay, the Balikpapan Bay waters profile that is increasingly shallow towards the bay head also causes this area to tend to have a higher temperature. Also, areas located on the inside of the bay tend to get more freshwater input from rivers, so this area has lower salinity while the area located at the mouth of the bay tends to be of higher salinity because it gets a lot of mass input of seawater from the Makassar Strait.
A Multi-Criteria Approach and Sustainability Index as a Consideration on Torpedo scad Fisheries Management in Sunda Strait Yonvitner Yonvitner; Mennofatria Boer; Vera Ardelia
Jurnal Ilmiah Perikanan dan Kelautan Vol. 12 No. 1 (2020): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v12i1.16360

Abstract

HighlightsThe main problem to ensure the good management in fisheries was multi species fishPrecautionary approach needed to get a good view of the important criteria in fisheries managementNeeded a multi criteria and index to make a final conclusion of the any criteriaNatural history and population dynamic parameter important input to sustainability indexValidation model in sunda strait as preliminary approach will help to get a good data and resultAbstractTorpedo scad species known are both economic and ecologic important pelagic fish that fishing catch tends to increase last a few decades. For sustainability, in the long term, needed a management strategy that complies with measurable fish population indicators. This effort is a part of the precautionary approach in fiseries management in related exploitation. This research was conducted in Labuan fishing port performed for more than 8 months and then analyzed with population parameters. Composite analysis by multi-criteria approaches found that the average score of Torpedo scad is 1.48 and then grouped as moderate sustainability. Schooling fish, including torpedo scad has been moderate until high sustainability levels. Overall population status in this area refer to moderate potential risk and needs a precautionary approach on management. 
Application of Probiotics for Organic Matter and Enhancement of Growth Performance in White Shrimp (Litopenaeus vannamei) Muhammed Jefri; Woro Hastuti Satyantini; Adriana Monica Sahidu; Daruti Dinda Nindarwi; Rozi Rozi
Jurnal Ilmiah Perikanan dan Kelautan Vol. 12 No. 1 (2020): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v12i1.16618

Abstract

HighlightsLitopenaeus vannamei has been established as alternative to Penaeus monodon to shrimp farming in several countries.Increased importance of in situ microorganisms both in regulating biogeochemical cycles within the culture environment and in directly affecting shrimp growth and survival.To improve water quality in aquaculture is the application of probiotics and/or enzymes to ponds. AbstractIntensive shrimp farming has raised environmental issues due to aquaculture pollution, which is caused by uneaten feed, feces, organic matter, and toxic compounds (ammonia and H2S). One way to solve this issue is by using probiotics. Thus, this study aimed at investigating the effect of probiotic administration (Pseudomonas sp. and Bacillus sp.) at varying concentrations on total organic matter in the rearing water, feed conversion ratio, feed efficiency, and growth rate of white shrimp (Litopenaeus vannamei). This study used a Completely Randomized Design consisting of four treatments: T0 (without the probiotic supplementations), T1 (probiotics at 106 CFU/ml), T2 (probiotics at 107 CFU/mL), T3 (probiotics at 108 CFU/mL) with three replicates each. The results showed that the administration of probiotics at different concentrations had a significant effect on the total amount of organic matter, feed conversion ratio, feed efficiency, and specific growth rate of white shrimp. Administration of probiotics at a concentration of 107 CFU/ ml had the lowest organic matter in the rearing water, 138 mg /Lt. While probiotic administration at 108 CFU/ ml gave the lowest feed conversion ratio (1.22), the highest feed efficiency (81.57%) and the best growth rate (2.25%/day). This research suggests that the administration of 107-108 CFU/ ml probiotics could be applied to reduce organic content in the rearing water and improve the growth performances of white shrimp. 

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