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All Journal Journal of Marine Research Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Acta Aquatica: Aquatic Sciences Journal Jurnal Biologi Tropis Jurnal Intek Akuakultur Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan Jurnal Ilmu Kelautan Kepulauan Jurnal Pengabdian Magister Pendidikan IPA Journal of Aquaculture Science Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Jurnal Gema Ngabdi Jurnal Lemuru : Jurnal Ilmu Perikanan dan Kelautan Indonesia JOURNAL OF INDONESIAN TROPICAL FISHERIES (JOINT-FISH) : Jurnal Akuakultur, Teknologi Dan Manajemen Perikanan Tangkap, Ilmu Kelautan JURNAL PERIKANAN TROPIS Authentic Research of Global Fisheries Application Journal (Aurelia Journal) Jurnal Akuakultura Universitas Teuku Umar Journal Of Aquaculture Development and Environment Jurnal Abdi Insani Jurnal Inovasi Pendidikan dan Sains Buletin Poltanesa Bioscientist : Jurnal Ilmiah Biologi Jurnal Pengabdian Perikanan Indonesia Jurnal Media Akuakultur Indonesia JURNAL SAINS DAN TEKNOLOGI PERIKANAN (JIKAN) Unram Journal of Community Service (UJCS) Media Akuatika: Jurnal Ilmiah Jurusan Budidaya Perairan Journal of Fish Health Jurnal Pepadu Journal of Fish Nutrition Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Jurnal Perikanan Alamtana Bhakti: Jurnal Pengabdian Masyarakat Jurnal Wicara Desa
Dewi Putri Lestari, Dewi Putri
Program Studi Budidaya Perairan, Fakultas Pertanian, Universitas Mataram
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Veterinary Other

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Journal : Jurnal Biologi Tropis

 1 
The Effect of Biofloc with the Addition of Different Commercial Probiotics in Catfish (Clarias sp.) Dewi Putri Lestari; Fariq Azhar; Muhammad Marzuki
Jurnal Biologi Tropis Vol. 21 No. 2 (2021): Mei - Agustus
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v21i2.2552

Abstract

Catfish was one of the most popular consumption fish in Indonesia. Increasing the production of catfish farming by means of super intensive cultivation has a negative impact on the quality of the aquaculture environment which in turn can have an impact on fish health. Biofloc technology was an alternative that can be done to solve the problem of aquaculture waste. In fact, it could provide more benefits because besides being able to reduce inorganic nitrogen waste  also provide additional feed for cultured fish so that it can increase growth and feed efficiency. This study aims to evaluate the growth performance of catfish (Clariassp.) In biofloc-based super intensive cultivation with the addition of different commercial probiotics. This research will be conducted for 5 months. The research was conducted in an aquarium in the form of an aquarium measuring 90 × 40 × 50 cm filled with 100 L. The treatment given was the addition of commercial probiotics in the culture medium with the biofloc system and fermented pellet feed with various commercial probiotics, namely commercial probiotic I, commercial probiotic II. , commercial probiotic III, positive control (biofloc culture media and without the addition of commercial probiotics), and negative control (without biofloc). Each treatment was repeated three times. Specific data growth, survival (SR), feed conversion ratio (FCR) and quality were statistical analysis with one-way analysis of variance. The results showed that the best growth performance of catfish using the biofloc culture system produced in this study was shown in PK3 treatment with a survival rate of 93.33%, a specific growth rate of 6.60, and a feed conversion ratio of 0.92. 
Growth and Content of Seaweed Carrageenan Kappaphycus alvarezii Cultivated at Bottom-off method Devi Suryani Putri; Nunik Cokrowati; Dewi Putri Lestari; Ahmad Ahmad
Jurnal Biologi Tropis Vol. 22 No. 2 (2022): April - June
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v22i2.3539

Abstract

Kappaphycus alvarezii is a red alga that produces kappa-carrageenan which can be used as raw material for processed foods, medicines, cosmetics, and bacterial media materials. The production of K. alvarezii is increasingly being sought to increase to meet consumer demands. This study aimed to analyse the growth rate and content of carrageenan in K. alvarezii cultivated using the bottom-off method. This research was conducted at the Seaweed Center of Balai Perikanan Budidaya Laut (BPBL), Gerupuk, Pujut District, Central Lombok Regency, West Nusa Tenggara Province. The research method used was experimental with a completely randomized design consisting of five spacing treatments. The treatments in this study were P0 (distance 15 cm as control), P1 (distance 10 cm), P2 (distance 15 cm), P3 (distance 20 cm), P4 (distance 25 cm). K. alvarezii cultivation was carried out for 40 days. The result of this study is the highest yield of carrageenan was obtained at P4 of 6.846%. The highest absolute weight of K. alvarezii was obtained in treatment P4 (25 cm) which was 121.67 g. The highest specific growth was found at P4 (25 cm) which was 1.98%/day. This study concludes that K. alvarezii spacing significantly affects the growth and carrageenan of seaweed cultivated at the bottom-off method.
Hatching Rate of Koi Fish (Cyprinus Carpio) Eggs on Different Types of Substrates Linda Aini Putri; Nunik Cokrowati; Dewi Putri Lestari
Jurnal Biologi Tropis Vol. 22 No. 3 (2022): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v22i3.3962

Abstract

The Cyprinus carpio koi fish is a freshwater ornamental fish that is excellent because it has a beautiful and bright colour. This study aimed to determine the best substrate for the attachment of C. carpio koi fish eggs and the success rate of hatching koi fish eggs. The method used in this study is the experimental method with description analysis. The treatments in this study were 4 types of substrates, P1 (raffia), P2 (brush), P3 (ijuk), and P4 (Hydrilla). The results obtained that the highest fungal exposure was found in P3 with a value of 358 grains, the highest hatchability was found in P4 at 94% and P1 at 93%. The highest survival rate in koi fish was found in the P4 treatment with a value of 92%. This study concluded that the substrate with the highest egg attachment was found in P4 (Hydrilla) and the success rate of hatching eggs was found in P1 (raffia) and P4 (Hydrilla) because both had no significant effect.
The Effect of Combined Aren Palm Sap and Molasses as Carbon Sources on the Growth and Survival of Vannamei Shrimp (Litopenaeus vannamei) Helmiana, Baiq; Lestari, Dewi Putri; Mulyani, Laily Fitriani
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.9008

Abstract

Vannamei shrimp (Litopenaeus vannamei) is one of the most widely cultivated aquaculture commodities due to its high market demand and ability to grow intensively. However, intensive systems often generate environmental issues, especially from excess feed and ammonia waste. This study aimed to determine the best combination of aren palm sap and molasses as organic carbon sources in fermented feed to improve the growth and survival of L. vannamei. The research was conducted over 45 days using an experimental method and a completely randomized design (CRD) consisting of six treatments and three replications, totaling 18 experimental units. The treatments included: P1 (control feed), P2 (feed + 10 ml/kg aren sap), P3 (feed + 10 ml/kg molasses), P4 (5 ml/kg aren sap + 5 ml/kg molasses), P5 (2.5 ml/kg aren sap + 7.5 ml/kg molasses), and P6 (7.5 ml/kg aren sap + 2.5 ml/kg molasses). The research included feed fermentation, shrimp rearing, water quality monitoring, and sampling. The best results were observed in treatment P5, which yielded the highest protein content in feed (32.98%), total bacteria (1,249,000 CFU), absolute weight gain (4.48 g), length gain (5.8 cm), specific growth rate (7.84%/day), feed efficiency (79.88%), and lowest feed conversion ratio (1.25). The combination of 2.5 ml/kg aren sap and 7.5 ml/kg molasses is recommended to enhance shrimp growth and feed utilization without negatively impacting water quality.
Effectiveness of Different Binders in Improving Feed Stability and Survival Rate of Mud Crab (Scylla sp.) Fed Trash Fish-Based Diet Diamahesa, Wastu Ayu; Abidin, Zaenal; Lestari, Dewi Putri; Alim, Sahrul; Rahmadani, Thoy Batun Citra; Mutiara, Ni Luh
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9896

Abstract

Feed stability is crucial in aquaculture to minimize nutrient loss and ensure optimal growth of cultured species. This study evaluated the effects of different binders (carboxymethyl cellulose/CMC, wheat gluten, tapioca flour, and Gracilaria sp. flour) at 3% and 5% concentrations, processed via hot and cold mixing methods, on feed stability and survival of mud crab (Scylla spp.). Conducted over 45 days, the research involved feed formulation, stability testing in seawater (30 ppt salinity), and a 30-day feeding trial in a recirculating aquaculture system. Results showed that binder type and processing method significantly influenced feed integrity, with CMC 5% + hot mixing exhibiting the highest stability (96.99% retention after 240 minutes), while tapioca 5% + hot mixing degraded fastest. All formulations met the ≥70% stability threshold after 120 minutes, confirming suitability for aquaculture. The feeding trial revealed 100% survival across all treatments, indicating that binder selection can prioritize physical stability without compromising crab health. Hot processing consistently enhanced binder performance, particularly for polysaccharide-based CMC and Gracilaria sp. flour. These findings suggest CMC 5% (hot) as the optimal binder for durable mud crab feed, whereas tapioca requires careful concentration control. The study provides practical insights for feed development, though further replicated trials under varied farming conditions are recommended to validate commercial applicability. This research contributes to sustainable aquaculture by improving feed efficiency and reducing waste in mud crab production.
Optimizing The Utilization of Arabica Coffe Grounds Extract on the Growth Perfomance of Tilapia (Oreochromis Niloticus) Nisa, Haerunnisaa; Diamahesa, Wastu Ayu; Lestari, Dewi Putri
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7831

Abstract

Nile tilapia (Oreochromis niloticus) is a widely cultivated freshwater fish due to its adaptability to various environments and ease of breeding. Feed availability is a crucial factor in the success of tilapia cultivation. Quality feed plays a vital role in fish development and using effective feed management strategies can help reduce costs and improve growth outcomes. Previous studies have suggested that coffee grounds can enhance fish immunity and growth due to their antioxidant properties. This research aimed to investigate the impact of adding coffee grounds to commercial feed on the growth and survival of Nile tilapia. The study was conducted over 45 days using a completely randomized design with five treatments and three replications. Treatments included a control group (P1) and feed supplemented with 0.5g (P2), 1g (P3), 3g (P4), and 5g (P5) of coffee grounds per 100g of feed. The results indicated that the addition of coffee grounds significantly affected weight growth, with the highest growth observed in P5. However, no significant differences were found in length growth or specific growth rate (SGR) among treatments. Feed consumption was highest in P2, but feed conversion ratio (FCR) and feed utilization efficiency were most favorable in P5. Water quality parameters remained within optimal ranges throughout the study.
The Effect of Using Fermented Maggot Flour on The Growth of Tilapia Fish (Oreochromis niloticus) Taslim, Muhammad; Lestari, Dewi Putri; Rahmadani, Thoy Batun Citra
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i1.8698

Abstract

Tilapia (Oreochromis niloticus) is one of the freshwater commodities that is most in demand by local and foreign commonities. The increasing price of fish feed has resulted in decreasing income for farmers. One of the feeds that has a high protein content is maggot. One of the procesing technologies to reduce fat content in maggots is by using fermentation technology. Thus, the purpose of this study is to ascertain the impact of fermented maggot flour on the growth of tilapia (Oreochromis niloticus). The experimental design used in this study was a Completely Randomized Design (CRD), with six treatments and three replications, resulting in the production of 18 experimental units: P0 (commercial feed 100), P1 (commercial feed 25% + 75% non-fermented maggot flour), P2 (commercial feed 25% + 75% fermented maggot flour), P3 (commercial feed 75% + 25% non-fermented maggot flour), P4 (commercial feed 75% + fermented maggot flour), and P5 (100% fermented maggot). The addition of maggot flour and maggot fermented flour with different doses, the best treatmens was obtained in P2 (commercial feed 25% + 75% fermented maggot flour). Treatment  P2 could increase the absolute weight growth rate, SGR,EPP, and produced the lowest FCR. However, the addition of maggot flour and maggot fermentation was not significant on absolute lenght growth, feed consumtion level, SR. Thus, the optimal concentration of maggot flour and maggot fermentation in this study was 75% maggot fermentation flour + 25% commercial feed.
Co-Authors Abadi Putra, Dwi Cahya Abd Hakim Husen Abidin, Z Agus Hermansyah Ahmad Ahmad Ahyani, Dina Alamanda Juwita Putri Alfian Pujian Hadi Alfian Pujian Hadi Alis Mukhlis Alpian Hadi Wisastra Amelia, Deby Ariska Ananda, Riza Anastasia Andre Rachmat Scabra Andriana, Ina Eka Angela Wulansari Anggi Fara Subhi Anharudin Anharudin Asri, Yuliana Atiatun Shalehah Ayu Adhita Damayanti Ayu Adhita Damayanti Ayu Adhita Damayanti Ayuningsih, Evi Bagus Dwi Hari Setyono Baiq Hilda Astriana Baiq Hilda Astriana Baiq Hilda Astriana, Baiq Hilda Bayu Parikesit Wijaya Wijaya Bukhori Muslim Chandrika Eka Larasati Chandrika Eka Larasati, Chandrika Eka Damai Diniariwisan Devi Suryani Putri Dewi Nur'aeni Setyowati Dewi Nur'aini Setyowati Dewi Nur’aeni Setyowati Dewi, Marwa Salnida Diamahesa, Wastu Ayu Dina Ahyani Diniariwisan, Damai Dirmansyah Duri Kelao Naria Dwi Cahya Abadi Putra Eka Kusuma Dewi Elmi Patma Insani Fadliana Khofiatun Fahrurozi Fahrurozi, Fahrurozi Fariq Azhar Fariq Azhar Fariq Azhar Fariq Azhar Fazirra , Erra Feri Febriyanto Rachman Firman Ali Rahman Firman Ali Rahman Firman Ali Rahman Hadijah Hadijah Hafsah Hafsah Haini, Naufara Hardianty Hardianty Helmiana, Baiq Heriansyah, Andy Himawan, Mahardika Rizki Hirza Ranggana Hizbulloh, Lalu I Gusti Bagus Wiksuana Ilmiati, Nur Ina Eka Andriana Iqbal, Muhammad Syamsu Ismaini, Neni Junaidi, Muhammad Junaidin, Muhammad Jurnal Pepadu karel, melda Khofiatun, Fadliana Kisman Lalu Jaye Warse Lalu Wahyu Wilisetyadi Letari, Yusni Juniar Linda Aini Putri Lumbessy Lumbessy, Salnida Yuniarti Lumbessy, Salnida Yuniati M. Mutawalli Wira Supati Mahardika Rizky Himawan Maknun, Lu’lu’il Maldino, Muhammad Farizi Mas’ad Mas’ad melda karel Miranti, Sevia Mohammad Hasil Tamzil Muchdar, Fatma Muhamad Rachmat Wijaya Muhammad Farizi Maldino Muhammad Junaidi Muhammad Junaidi Muhammad Marzuki Muhammad Marzuki Muhammad Nursihan Muhammad Sarjan Muhammad Sumsanto Mulyani, Laily Fitriani Mumu Sri Maulana Albayani Murad, Arifana Mutiara, Ni Luh Namiratun Saqinah Nanda Diniarti Naufara Haini Nisa, Haerunnisaa Nita Annisah Al Barru Nita Salnida Dewi Nunik Cokrowati Nunik Cokrowati Nunik Cokrowati Nur Safitri , Septiya Nurhalisa, Wida Nuri Muahiddah Nurin Rochayati Nurliah Nurliah nurliah, nurliah Nursihan, Muhammad nurul safitri Paryono Pratiwi, Dwi Indah Putri, Nydia Alisa Rahmadani, Thoy Batun Citra Rahman, Ibadur Rangga Idris Affandi Regina Burhani Rovina Andriani S Sukiandi Safitri, Mia Sahrul Alim Samsul Hadi Santriathan Putri Saptono Waspodo Sari, Yuri Purnama Sarjan, Achmad Fajar Natotama Sarjan, Muhamad Septiana Dwiyanti Septiya Nur Safitri Setyowati, Dewi Nur'aeni Setyowati, Dewi Nur’aeni Setyowati, Dewi Nur’aeni Setyowati, Dewi Nur’aeni Sevia Miranti Shalehah, Atiatun Siambaton, Ucok Natanael Haposan Siptiani, Ni Kadek Ayu Sitti Hilyana Sitti Hilyana Sofiana, Anisa Sri Rahmadani Sri Rahmadani, Sri Sri Yulianti Sultan Hamdi MT Sulthon Hamid Faros Naban Supiandi, Supiandi Suprayanti Martia Dewi, Suprayanti Martia suyatni, suyatni Taslim, Muhammad Taufikurahman, Muhammad Thoy Batun Citra Rahmadani Thoy Batun Citra Rahmadani Thoy Batun Citra Rahmadani Tsafitri, Anindita Moelya Wahyuni, Septia Tri Wida Nurhalisa Wilisetyadi, Lalu Wahyu Windi Yuastika Wulan Rahmania Yeni Puji Lestari Lestari Yuastika, Windi Yuliana Asri yunita ananda Yusni Juniar Letari Zaenal Abidin Zaenal Abidin Zuhratul Aini