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Jurnal Intek Akuakultur
Published by Universitas Maritim Raja Ali Haji
ISSN : 25796291     EISSN : 25796291     DOI : https://doi.org/10.31629/intek
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
The scope of Intek Aquaculture Journal include System and Technology, Biotechnology, Nutrition and Feed, Fish Health Management, Water Quality Management , Reproduction and Genetics in the field of Aquaculture.
Arjuna Subject : -
Articles 116 Documents
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Pengaruh Penambahan Tepung Labu Kuning, Wortel dan Ubi Jalar Ungu Pada Pakan Pelet Komersial Terhadap Kecerahan Warna Ikan Badut Premnas biaculeatus Rachmad Nor, Ricko; Nor, Rachmad; Irawan, Henky; Yulianto, Tri
Jurnal Intek Akuakultur Vol. 7 No. 1 (2023): Intek Akuakultur
Publisher : Program Studi Budidaya Perairan Universitas Maritim Raja Ali Haji

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Abstract

Ikan badut Premnas biaculeatus hasil biakan atau budidaya cenderung mengalami degeneratif warna atau memiliki warna tubuh yang pudar tidak seperti habitat alami. Penelitian ini bertujuan untuk meningkatkan kecerahan warna ikan badut melalui penambahan tepung buah yang mengandung ?-karoten pada pakan. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) 4  perlakuan 5 ulangan. Pemberian pakan ikan badut dengan Kontrol (tanpa penambahan tepung), perlakuan A (tepung labu kuning) B (tepung wortel) dan C (tepung ubi jalar ungu) dengan dosis masing-masing 15% (15g/100g pakan). Ikan yang digunakan berukuran panjang dan berat masing-masing  ± 3 cm dan ± 0,5 g. Padat tebar 1 ekor/soliter dan jumlah ikan 20 ekor. Parameter perubahan warna badan merah menunjukkan hasil yang terbaik pada perlakuan B (tepung wortel 15%) dengan nilai R (-14,1± 4,1), G (-16,1±3,8) dan B (-9,3± 5,8). Parameter perubahan warna badan putih diperoleh perlakuan terbaik pada kontrol (tanpa penambahan tepung) dengan nilai R (28,3±0,8), G (34,5±3,1) dan B (28,5±1,0). Parameter laju pertumbuhan bobot mutlak dan panjang mutlak terbaik terdapat pada perlakuan B (tepung wortel 15%) dengan nilai berturut-turut adalah (0,324±0,01) dan (0,64±0,05). Parameter tingkat kelangsungan hidup mendapatkan nilai (100±0,00).
POLA HUBUNGAN PANJANG BERAT IKAN NILA YANG DI BUDIDAYAKAN DI GERUNG NUSA TENGGARA BARAT Dwiyanti, septiana; Septiana, Septiana Dwiyanti; Hawari, Muhammad Naufal; Fauzan, Muhammad Kholid Al
Jurnal Intek Akuakultur Vol. 8 No. 1 (2026): Intek Akuakualtur
Publisher : Program Studi Budidaya Perairan Universitas Maritim Raja Ali Haji

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Abstract

An important aspect in tilapia cultivation is observing the relationship between the length and weight of the fish, which is an indicator of the fish's growth. One of the areas in West Nusa Tenggara that has great potential in tilapia cultivation is Gerung which is located in West Lombok Regency. The purpose of this study is to determine the growth pattern of tilapia in the region to help farmers adjust feed management, stocking density and maintenance systems to increase production. The method used is the survey method and regression analysis. The number of samples used in this study were 16 tilapia (Oreochromis niloticus) taken randomly from tilapia rearing ponds in Gerung District, West Lombok Regency. The average weight obtained in this study ranged from 169-400 grams with an average of 285 grams and a length of 25-39 cm, while the results of statistical regression of the relationship between the length and weight of tilapia, the regression equation obtained a value of Log Y = 25.419X 0.7394 with a correlation value (R2) of 43% and a value of b = 0.73, so that b <3 which means negative allometric where the condition of the fish experiences faster growth in length than weight gain
Optimasi Tingkat Kelangsungan Hidup Ikan Ikan Kerapu Cantang Epinephelus fuscoguttatus >< Epinephelus lanceolatus Dengan Penambahan Ekstrak Daun Jambu Biji Merah Psidium guajava Linn Pada Media Transportasi Indah Parah Maidah; Maidah, Indah Parah; Irawan, Henky; Bakkara, Okto Rimandi
Jurnal Intek Akuakultur Vol. 8 No. 1 (2026): Intek Akuakualtur
Publisher : Program Studi Budidaya Perairan Universitas Maritim Raja Ali Haji

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Abstract

ABSTRAK Transportation of live fish such as cantang grouper Epinephelus fuscoguttatus × Epinephelus lanceolatus is at risk of causing stress that can reduce survival rates. This study aims to determine the optimal dose of red guava leaf extract Psidium guajava Linn as a natural anesthetic to improve fish survival during transportation. This research will be conducted in December 2023 and conducted in two places, namely at Hatchery D' Marine Aquaculture and Kampung Madong. The research used a Completely Randomized Design (CRD) with four treatments, namely: K control (0 ml/L), A addition of red guava leaf extract (4 ml/L), B addition of red guava leaf extract (6 ml/L), and C addition of red guava leaf extract (8 ml/L), each with three replications. The parameters observed included survival rates after transportation and during maintenance, blood glucose levels, fish behavior, and water quality. The results showed that all treatments had a 100% survival rate after transportation. During 7 days of maintenance in floating net cages, treatment A showed the highest survival rate (100%), followed by K (86.67%), C (80%), and B (48.33%). The lowest blood glucose levels occurred in treatment B (56.67 mg/dL), while the highest was in the control (92.33 mg/dL). Fish in treatment A also showed the best behavior and feed response. These results indicate that the addition of red guava leaf extract at a dose of 4 ml/L is effective in reducing stress and increasing the survival of cantang grouper during and after transportation.
EFEKTIVITAS SUMBER NITROGEN PADA PUPUK ORGANIK YANG BERBEDA SEBAGAI SUBSTITUSI UREA PADA NUTRIEN KULTUR Nannochloropsis sp. Sinurat, Paulin; SINURAT, PAULIN BERNADET; Irawan, Henky; Putri, Dwi Septiani
Jurnal Intek Akuakultur Vol. 8 No. 1 (2026): Intek Akuakualtur
Publisher : Program Studi Budidaya Perairan Universitas Maritim Raja Ali Haji

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Abstract

Nitrogen is one of the nutrients needed Nannochloropsis sp., but there is no determination of fertilizer dosage based on fertilizer nitrogen source. This study aims to determine the provision of organic fertilizers capable of substituting urea in nutrient cultures Nannochloropsis sp. and effective used as a source of nitrogen for cell populations Nannochloropsis sp.. This research was conducted in April-May 2025 at the Batam Marine Aquaculture Center. This study used a complete randomized design (RAL) with 1 Control and 3 treatments, namely: control (50 mg/L Urea, Za, TSP, EDTA), treatment a (dung bats, Za, TSP, EDTA), treatment B (Quail Dung, ZA, TSP, EDTA), treatment C (Dung swallows, ZA, TSP, EDTA), each 3 replications. The observed parameters include daily density, population peak, doubling time, light intensity and water quality. Results showed for 7 days maintenance of cell density Nannochloropsis sp. the highest growth was found in h-5 maintenance with the highest growth in treatment B (quail droppings) is 23.193.055 cells/ml with the fastest doubling time is 36.3 hours and the lowest growth in control is 17.468.056 cells/ml with the longest doubling time is 52.3 hours. The peak population for control and all treatments is found on H-5 maintenance. The light intensity during the study ranged from 9.100 lux. This result shows that the fertilizer of bat droppings, quail droppings and bird droppings can be a substitution of urea and effective as a source of nitrogen in the nutrient culture Nannochloropsis sp. for cell populations Nannochloropsis sp..
Efektivitas Pupuk Anorganik Yang Berbeda Untuk Substtusi Urea Sebagai Sumber Nitrogen Pada Nutrien Kultur Nannochloropsis sp. Ilyas, Muhammad Ilyasya; Ilyasya, Muhammad; Irawan, Henky; Sinaga, Daniel
Jurnal Intek Akuakultur Vol. 8 No. 1 (2026): Intek Akuakualtur
Publisher : Program Studi Budidaya Perairan Universitas Maritim Raja Ali Haji

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Abstract

Nitrogen is one of the nutrients needed by Nannochloropsis sp., but there has been no determination of fertilizer dosage based on fertilizer nitrogen sources. This study aims to determine the provision of inorganic fertilizers capable of substituting urea in the culture nutrients of Nannochloropsis sp. and to find out inorganic fertilizers that are effective for use as a nitrogen source for the Nannochloropsis sp. cell population. This study used a Completely Randomized Design (CRD) with 1 control and 3 treatments, namely: Control (Urea 50 mg / L Urea, Za, TSP, EDTA), treatment A (NPK Fertilizer 16 16 16, Za, TSP, EDTA), treatment B (Calcium Nitrate Fertilizer, ZA, TSP, EDTA), treatment C (Calcium Ammonium Nitrate Fertilizer, ZA, TSP, EDTA), each with 3 replications. The parameters observed included daily density, peak population, doubling time, water quality and light intensity. The results showed that during 7 days of maintenance, the highest daily density of Nannochloropsis sp. cells was found on D-5 of maintenance with the highest growth in treatment C (Calcium Ammonium Nitrate Fertilizer) which was 18,528,611 cells/ml with the fastest doubling time in treatment C (Calcium Ammonium Nitrate Fertilizer) which was 37.04 cells/hour and the lowest growth in treatment A (NPK 16 16 16 Fertilizer) which was 17,128,611 cells/ml with the longest doubling time in the control (Urea Fertilizer) which was 46.6 cells/hour. The peak population for the control and all treatments was found on D-5 of maintenance. The light intensity during the study ranged from 6,357 lux. These results indicate that NPK 16 16 16, Calcium Nitrate and Calcium Ammonium Nitrate fertilizers are able to substitute urea as a nitrogen source in the nutrient culture of Nannochloropsis sp. and the three organic fertilizers are effective in being used as a nitrogen source for the Nannochloropsis sp. cell population.  
Evaluasi Hematologi Ikan Kakap Putih (Lates calcarifer) yang Diberi Pakan Mengandung Probiotik Manik, Rina Ulicia; Wulandari, Rika; Miranti, Shavika
Jurnal Intek Akuakultur Vol. 8 No. 1 (2026): Intek Akuakualtur
Publisher : Program Studi Budidaya Perairan Universitas Maritim Raja Ali Haji

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Abstract

This research is about the effect of giving probiotic booster aquaenzyms to feed at different doses to look at the parameters of red blood cells, white blood cells and leukocyte differential. This study aims to analyze the effect of adding probiotic booster aquaenzyms in pelleted feed on blood hematological parameters of sea bass, with a focus on observing the number of erythrocytes, leukocytes and leukocyte differential. This research was conducted from May to June 2025 for 14 days at the Marine Aquaculture Lab, Aquaculture Study Program, Faculty of Marine Sciences, Raja Ali Haji Maritime University, Tanjungpinang. The research design used in this study used a Completely Randomized Design (CRD) with 4 treatments and 3 replications, namely control feed treatment without probiotic booster aquaenzyms and injected with bacteria, Treatment A feed with probiotic booster aquaenzyms 2 grams/kg feed every day and injected with bacteria, Treatment B feed with booster aquaenzyms 6 grams/kg feed every day and injected with bacteria, Treatment C with probiotic booster aquaenzyms 10 grams/kg of feed every day and challenge the Vibrio alginolyticus bacteria. The parameters observed during the research were, red blood cells (erythrocytes), white blood cells (leukocytes), leukocyte differential, survival rate, and water quality parameters. Data analysis used Microsoft Excel and data was analyzed using analysis of variance (ANOVA). Statistical analysis was carried out using SPSS software. If the data is significantly different (P<0.05), then Duncan's further test is carried out. The research results from the addition of probiotic booster aquaenzyms in pelleted feed were highest in treatment A with a dose of 2 grams/kg of feed on red blood cells and white blood cells. The differential leukocytes obtained during the study were lymphocytes and monocytes. The highest lymphocytes were obtained in treatment B, and the highest monocytes were obtained in treatment K. The highest survival rate was in treatment A.

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